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Only three cores found on quad-core machine.

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From: Dave Jones <davej@...>
To: Linux Kernel <linux-kernel@...>
Cc: <x86@...>
Subject: Only three cores found on quad-core machine.
Date: Friday, August 1, 2008 - 2:15 pm

I just installed .27rc1 on a fairly recent quad-core machine.
The first thing that seemed out of the ordinary was only 3 penguins
showing up in the framebuffer.  Closer examination after it had
booted revealed the backtrace-o-rama that is below.

	Dave

Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu
Linux version 2.6.27-0.205.rc1.git2.fc10.x86_64 (mockbuild@x86-5) (gcc version 4.3.1 20080728 (Red Hat 4.3.1-5) (GCC) ) #1 SMP Thu Jul 31 16:00:33 EDT 2008
Command line: ro root=UUID=25f6cef8-c140-4900-b663-651ec0232b6a vga=791
KERNEL supported cpus:
  Intel GenuineIntel
  AMD AuthenticAMD
  Centaur CentaurHauls
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000008f000 (usable)
 BIOS-e820: 000000000008f000 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 000000007ee48000 (usable)
 BIOS-e820: 000000007ee48000 - 000000007eeb2000 (ACPI NVS)
 BIOS-e820: 000000007eeb2000 - 000000007fd86000 (usable)
 BIOS-e820: 000000007fd86000 - 000000007fd8e000 (reserved)
 BIOS-e820: 000000007fd8e000 - 000000007fe2c000 (usable)
 BIOS-e820: 000000007fe2c000 - 000000007fe30000 (reserved)
 BIOS-e820: 000000007fe30000 - 000000007feab000 (usable)
 BIOS-e820: 000000007feab000 - 000000007feae000 (ACPI data)
 BIOS-e820: 000000007feae000 - 000000007fef2000 (ACPI NVS)
 BIOS-e820: 000000007fef2000 - 000000007feff000 (ACPI data)
 BIOS-e820: 000000007feff000 - 000000007ff00000 (usable)
 BIOS-e820: 000000007ff00000 - 0000000080000000 (reserved)
 BIOS-e820: 00000000fff00000 - 0000000100000000 (reserved)
last_pfn = 0x7ff00 max_arch_pfn = 0x3ffffffff
x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
init_memory_mapping
 0000000000 - 007fe00000 page 2M
 007fe00000 - 007ff00000 page 4k
kernel direct mapping tables up to 7ff00000 @ 8000-c000
last_map_addr: 7ff00000 end: 7ff00000
RAMDISK: 37cba000 - 37fef7fb
DMI 2.4 present.
ACPI: RSDP 000FE020, 0014 (r0 INTEL )
ACPI: RSDT 7FEFD038, 004C (r1 INTEL  D975XBX2      95B       1000013)
ACPI: FACP 7FEFC000, 0074 (r1 INTEL  D975XBX2      95B MSFT  1000013)
ACPI: DSDT 7FEF8000, 3E66 (r1 INTEL  D975XBX2      95B MSFT  1000013)
ACPI: FACS 7FEAE000, 0040
ACPI: APIC 7FEF7000, 0078 (r1 INTEL  D975XBX2      95B MSFT  1000013)
ACPI: WDDT 7FEF6000, 0040 (r1 INTEL  D975XBX2      95B MSFT  1000013)
ACPI: MCFG 7FEF5000, 003C (r1 INTEL  D975XBX2      95B MSFT  1000013)
ACPI: ASF! 7FEF4000, 00A6 (r32 INTEL  D975XBX2      95B MSFT  1000013)
ACPI: SSDT 7FEF3000, 01BC (r1 INTEL     CpuPm      95B MSFT  1000013)
ACPI: SSDT 7FEF2000, 01B7 (r1 INTEL   Cpu0Ist      95B MSFT  1000013)
ACPI: SSDT 7FEAD000, 01B7 (r1 INTEL   Cpu1Ist      95B MSFT  1000013)
ACPI: SSDT 7FEAC000, 01B7 (r1 INTEL   Cpu2Ist      95B MSFT  1000013)
ACPI: SSDT 7FEAB000, 01B7 (r1 INTEL   Cpu3Ist      95B MSFT  1000013)
No NUMA configuration found
Faking a node at 0000000000000000-000000007ff00000
Bootmem setup node 0 0000000000000000-000000007ff00000
  NODE_DATA [000000000000a000 - 000000000001efff]
  bootmap [000000000001f000 -  000000000002efdf] pages 10
(6 early reservations) ==> bootmem [0000000000 - 007ff00000]
  #0 [0000000000 - 0000001000]   BIOS data page ==> [0000000000 - 0000001000]
  #1 [0000006000 - 0000008000]       TRAMPOLINE ==> [0000006000 - 0000008000]
  #2 [0000200000 - 0000ed8688]    TEXT DATA BSS ==> [0000200000 - 0000ed8688]
  #3 [0037cba000 - 0037fef7fb]          RAMDISK ==> [0037cba000 - 0037fef7fb]
  #4 [0000098c00 - 0000100000]    BIOS reserved ==> [0000098c00 - 0000100000]
  #5 [0000008000 - 000000a000]          PGTABLE ==> [0000008000 - 000000a000]
Scan SMP from ffff880000000000 for 1024 bytes.
Scan SMP from ffff88000009fc00 for 1024 bytes.
Scan SMP from ffff8800000f0000 for 65536 bytes.
found SMP MP-table at [ffff8800000fe200] 000fe200
 [ffffe20000000000-ffffe20002ffffff] PMD -> [ffff880001200000-ffff8800041fffff] on node 0
Zone PFN ranges:
  DMA      0x00000000 -> 0x00001000
  DMA32    0x00001000 -> 0x00100000
  Normal   0x00100000 -> 0x00100000
Movable zone start PFN for each node
early_node_map[6] active PFN ranges
    0: 0x00000000 -> 0x0000008f
    0: 0x00000100 -> 0x0007ee48
    0: 0x0007eeb2 -> 0x0007fd86
    0: 0x0007fd8e -> 0x0007fe2c
    0: 0x0007fe30 -> 0x0007feab
    0: 0x0007feff -> 0x0007ff00
On node 0 totalpages: 523717
  DMA zone: 489 pages, LIFO batch:0
  DMA32 zone: 507548 pages, LIFO batch:31
ACPI: PM-Timer IO Port: 0x408
ACPI: Local APIC address 0xfee00000
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
ACPI: LAPIC (acpi_id[0x03] lapic_id[0x02] enabled)
ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
ACPI: LAPIC (acpi_id[0x04] lapic_id[0x03] enabled)
ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1])
ACPI: LAPIC_NMI (acpi_id[0x02] dfl dfl lint[0x1])
ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
IOAPIC[0]: apic_id 2, version 0, address 0xfec00000, GSI 0-23
ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
ACPI: IRQ0 used by override.
ACPI: IRQ2 used by override.
ACPI: IRQ9 used by override.
Setting APIC routing to flat
Using ACPI (MADT) for SMP configuration information
SMP: Allowing 4 CPUs, 0 hotplug CPUs
PM: Registered nosave memory: 000000000008f000 - 00000000000a0000
PM: Registered nosave memory: 00000000000a0000 - 00000000000e0000
PM: Registered nosave memory: 00000000000e0000 - 0000000000100000
PM: Registered nosave memory: 000000007ee48000 - 000000007eeb2000
PM: Registered nosave memory: 000000007fd86000 - 000000007fd8e000
PM: Registered nosave memory: 000000007fe2c000 - 000000007fe30000
PM: Registered nosave memory: 000000007feab000 - 000000007feae000
PM: Registered nosave memory: 000000007feae000 - 000000007fef2000
PM: Registered nosave memory: 000000007fef2000 - 000000007feff000
Allocating PCI resources starting at 88000000 (gap: 80000000:7ff00000)
PERCPU: Allocating 450624 bytes of per cpu data
NR_CPUS: 64, nr_cpu_ids: 4, nr_node_ids 1
Built 1 zonelists in Node order, mobility grouping on.  Total pages: 508037
Policy zone: DMA32
Kernel command line: ro root=UUID=25f6cef8-c140-4900-b663-651ec0232b6a vga=791
Initializing CPU#0
PID hash table entries: 4096 (order: 12, 32768 bytes)
TSC calibrated against PM_TIMER
Detected 2666.761 MHz processor.
Console: colour dummy device 80x25
console [tty0] enabled
Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
... MAX_LOCKDEP_SUBCLASSES:    8
... MAX_LOCK_DEPTH:          48
... MAX_LOCKDEP_KEYS:        2048
... CLASSHASH_SIZE:           1024
... MAX_LOCKDEP_ENTRIES:     8192
... MAX_LOCKDEP_CHAINS:      16384
... CHAINHASH_SIZE:          8192
 memory used by lock dependency info: 1840 kB
 per task-struct memory footprint: 3456 bytes
Checking aperture...
No AGP bridge found
Calgary: detecting Calgary via BIOS EBDA area
Calgary: Unable to locate Rio Grande table in EBDA - bailing!
Memory: 2027164k/2096128k available (3151k kernel code, 67704k reserved, 1811k data, 1596k init)
CPA: page pool initialized 32 of 32 pages preallocated
SLUB: Genslabs=13, HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
Calibrating delay loop (skipped), value calculated using timer frequency.. <6>5333.52 BogoMIPS (lpj=2666761)
Security Framework initialized
SELinux:  Initializing.
SELinux:  Starting in permissive mode
Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
Mount-cache hash table entries: 256
Initializing cgroup subsys ns
Initializing cgroup subsys cpuacct
Initializing cgroup subsys devices
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 4096K
CPU 0/0 -> Node 0
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 0
CPU0: Thermal monitoring enabled (TM2)
using mwait in idle threads.
ACPI: Core revision 20080609
..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
CPU0: Intel(R) Core(TM)2 Quad CPU           @ 2.66GHz stepping 07
Using local APIC timer interrupts.
APIC timer calibration result 16667241
Detected 16.667 MHz APIC timer.
lockdep: fixing up alternatives.
Booting processor 1/2 ip 6000
Initializing CPU#1
Calibrating delay using timer specific routine.. <6>5333.52 BogoMIPS (lpj=2666761)
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 4096K
CPU 1/2 -> Node 0
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 2
CPU1: Thermal monitoring enabled (TM2)
x86 PAT enabled: cpu 1, old 0x7040600070406, new 0x7010600070106
CPU1: Intel(R) Core(TM)2 Quad CPU           @ 2.66GHz stepping 07
checking TSC synchronization [CPU#0 -> CPU#1]: passed.
lockdep: fixing up alternatives.
Booting processor 2/1 ip 6000
Initializing CPU#2
Stuck ??
Inquiring remote APIC #1...
... APIC #1 ID: failed
... APIC #1 VERSION: failed
... APIC #1 SPIV: failed
migration/2 used greatest stack depth: 7224 bytes left
lockdep: fixing up alternatives.
Booting processor 3/3 ip 6000
Initializing CPU#3
Calibrating delay using timer specific routine.. <6>5333.57 BogoMIPS (lpj=2666785)
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 4096K
CPU 3/3 -> Node 0
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 3
CPU3: Thermal monitoring enabled (TM2)
x86 PAT enabled: cpu 3, old 0x7040600070406, new 0x7010600070106
CPU3: Intel(R) Core(TM)2 Quad CPU           @ 2.66GHz stepping 07
checking TSC synchronization [CPU#0 -> CPU#3]: passed.
Brought up 3 CPUs
Total of 3 processors activated (16000.61 BogoMIPS).
sizeof(vma)=176 bytes
sizeof(page)=96 bytes
sizeof(inode)=1088 bytes
sizeof(dentry)=256 bytes
sizeof(ext3inode)=1488 bytes
sizeof(buffer_head)=104 bytes
sizeof(skbuff)=232 bytes
sizeof(task_struct)=9544 bytes
CPU0 attaching sched-domain:
 domain 0: span 0-1,3 level CPU
  groups: 0 1,3
  domain 1: span 0-1,3 level NODE
   groups: 0-1,3
CPU1 attaching sched-domain:
 domain 0: span 1,3 level MC
  groups: 1 3
  domain 1: span 0-1,3 level CPU
   groups: 1,3 0
   domain 2: span 0-1,3 level NODE
    groups: 0-1,3
CPU3 attaching sched-domain:
 domain 0: span 1,3 level MC
  groups: 3 1
  domain 1: span 0-1,3 level CPU
   groups: 1,3 0
   domain 2: span 0-1,3 level NODE
    groups: 0-1,3
khelper used greatest stack depth: 5728 bytes left
net_namespace: 1680 bytes
Booting paravirtualized kernel on bare hardware
Time: 13:32:13  Date: 07/31/08
NET: Registered protocol family 16
No dock devices found.
ACPI: bus type pci registered
PCI: MCFG configuration 0: base f0000000 segment 0 buses 0 - 127
PCI: Not using MMCONFIG.
PCI: Using configuration type 1 for base access
khelper used greatest stack depth: 5016 bytes left
general protection fault: 0000 [1] SMP DEBUG_PAGEALLOC
CPU 2 
Modules linked in:
Pid: 0, comm: swapper Not tainted 2.6.27-0.205.rc1.git2.fc10.x86_64 #1
RIP: 0010:[<ffffffff81094d61>]  [<ffffffff81094d61>] ftrace_record_ip+0x214/0x22b
RSP: 0018:ffff88007f04fe08  EFLAGS: 00010292
RAX: ffffffff816b26c0 RBX: 000000000000010d RCX: 000000000000020f
RDX: ffff880001027f80 RSI: 0000000000000000 RDI: 0000000000000292
RBP: ffff88007f04fe38 R08: 0000000000000075 R09: ffff88007fbd2090
R10: 0000000000000046 R11: ffffffff81b68de8 R12: 00000040812fba2b
R13: 000a81a000000002 R14: ffffffff81b68de8 R15: 0000000000000292
FS:  0000000000000000(0000) GS:ffff88007f821898(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000000 CR3: 0000000000201000 CR4: 00000000000006a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 0, threadinfo ffff88007f04e000, task ffff88007f050000)
Stack:  ffff88007f04fe78 0000002649d25248 00000040fffb6cbf 000a81a000000002
 000000000051621c 0000000000000002 ffff88007f04fe98 ffffffff81010164
 00000000fffb8093 0000000049d25248 ffff88007f050000 000000231a06706a
Call Trace:
 [<ffffffff81010164>] mcount_call+0x5/0x31
 [<ffffffff812fba30>] ? read_current_timer+0xe/0x30
 [<ffffffff8130150b>] calibrate_delay+0xe2/0x2a7
 [<ffffffff8130615b>] start_secondary+0xc0/0x16e


Code: 48 89 70 08 c7 05 4c 58 ad 00 01 00 00 00 4c 89 fe 48 c7 c7 70 d5 48 81 e8 4c 78 27 00 48 8b 15 6e 29 46 00 48 c7 c0 c0 26 6b 81 <4a> 8b 14 ea 48 03 42 08 ff 08 41 5b 5b 41 5c 41 5d 41 5e 41 5f 
RIP  [<ffffffff81094d61>] ftrace_record_ip+0x214/0x22b
 RSP <ffff88007f04fe08>
---[ end trace 4eaa2a86a8e2da22 ]---
Kernel panic - not syncing: Attempted to kill the idle task!
BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
IP: [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
PGD 0 
Oops: 0000 [2] SMP DEBUG_PAGEALLOC
CPU 2 
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D   2.6.27-0.205.rc1.git2.fc10.x86_64 #1
RIP: 0010:[<ffffffff810c8d7e>]  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
RSP: 0018:ffff88007f04f9f8  EFLAGS: 00010046
RAX: 0000000000000002 RBX: ffffffff81405781 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0101010101010101 RDI: ffffffff81064b1b
RBP: ffff88007f04fa28 R08: 0000000000000002 R09: ffffffff8130c5e4
R10: 0000000000000001 R11: 0000000000000040 R12: 0000000000000296
R13: ffffffff814efaa8 R14: ffffffff8106c157 R15: 0000000000000020
FS:  0000000000000000(0000) GS:ffff88007f821898(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000018 CR3: 0000000000201000 CR4: 00000000000006a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 0, threadinfo ffff88007f04e000, task ffff88007f050000)
Stack:  ffffffff8101ff41 ffffffff81405781 0000000000000003 0000000000000000
 0000000000000000 ffffffff8101ff41 ffff88007f04fb08 ffffffff8106c157
 0000000000000000 000000000000000b 0000000000002726 0000000000000001
Call Trace:
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010000>] ? sys_rt_sigreturn+0x2a0/0x3d0
 [<ffffffff811c8716>] ? get_random_bytes+0x20/0x22
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8101277e>] die+0x62/0x6b
 [<ffffffff8130df44>] do_general_protection+0x123/0x12c
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff81094d53>] ? ftrace_record_ip+0x206/0x22b
 [<ffffffff81010164>] mcount_call+0x5/0x31
 [<ffffffff812fba30>] ? read_current_timer+0xe/0x30
 [<ffffffff8130150b>] calibrate_delay+0xe2/0x2a7
 [<ffffffff8130615b>] start_secondary+0xc0/0x16e


Code: f7 9c 58 66 0f 1f 44 00 00 49 89 c4 fa 0f 1f 80 00 00 00 00 e8 a2 bd f9 ff 65 8b 04 25 24 00 00 00 48 98 49 8b 94 c5 18 11 00 00 <8b> 7a 18 89 7d d4 48 8b 1a 48 85 db 74 0c 8b 42 14 48 8b 04 c3 
RIP  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
 RSP <ffff88007f04f9f8>
CR2: 0000000000000018
---[ end trace 4eaa2a86a8e2da22 ]---
Kernel panic - not syncing: Attempted to kill the idle task!
------------[ cut here ]------------
WARNING: at kernel/smp.c:290 smp_call_function_mask+0x47/0x181() (Tainted: G      D  )
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D   2.6.27-0.205.rc1.git2.fc10.x86_64 #1

Call Trace:
 [<ffffffff81043bc8>] warn_on_slowpath+0x65/0x98
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8116c6e0>] ? _raw_spin_unlock+0x8e/0x93
 [<ffffffff8130c626>] ? _spin_unlock+0x2b/0x2f
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c0dd>] smp_call_function_mask+0x47/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8130f980>] do_page_fault+0x9da/0xace
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81168385>] ? sprintf+0x68/0x6a
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff811682cb>] ? vsnprintf+0x56b/0x5bd
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81070907>] ? sprint_symbol+0x8a/0x96
 [<ffffffff81070907>] ? sprint_symbol+0x8a/0x96
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff8116807b>] ? vsnprintf+0x31b/0x5bd
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff8107018d>] ? get_symbol_pos+0x9/0xe4
 [<ffffffff810707b6>] ? kallsyms_lookup+0x5e/0x125
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff81064b1b>] ? trace_hardirqs_off+0xd/0xf
 [<ffffffff810c8d7e>] ? kmem_cache_alloc+0x4a/0xcb
 [<ffffffff810c8d6c>] ? kmem_cache_alloc+0x38/0xcb
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010000>] ? sys_rt_sigreturn+0x2a0/0x3d0
 [<ffffffff811c8716>] ? get_random_bytes+0x20/0x22
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8101277e>] die+0x62/0x6b
 [<ffffffff8130df44>] do_general_protection+0x123/0x12c
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff81094d53>] ? ftrace_record_ip+0x206/0x22b
 [<ffffffff81010164>] mcount_call+0x5/0x31
 [<ffffffff812fba30>] ? read_current_timer+0xe/0x30
 [<ffffffff8130150b>] calibrate_delay+0xe2/0x2a7
 [<ffffffff8130615b>] start_secondary+0xc0/0x16e

---[ end trace 4eaa2a86a8e2da22 ]---
BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
IP: [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
PGD 0 
Oops: 0000 [3] SMP DEBUG_PAGEALLOC
CPU 2 
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1
RIP: 0010:[<ffffffff810c8d7e>]  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
RSP: 0018:ffff88007f04f2c8  EFLAGS: 00010046
RAX: 0000000000000002 RBX: ffffffff81405781 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0101010101010101 RDI: ffffffff81064b1b
RBP: ffff88007f04f2f8 R08: 0000000000000002 R09: ffffffff8130c5e4
R10: 0000000000000001 R11: 0000000000000040 R12: 0000000000000096
R13: ffffffff814efaa8 R14: ffffffff8106c157 R15: 0000000000000020
FS:  0000000000000000(0000) GS:ffff88007f821898(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000018 CR3: 0000000000201000 CR4: 00000000000006a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 0, threadinfo ffff88007f04e000, task ffff88007f050000)
Stack:  ffffffff8101ff41 ffffffff81405781 0000000000000003 0000000000000000
 0000000000000000 ffffffff8101ff41 ffff88007f04f3d8 ffffffff8106c157
 0000000000000000 000000000000000b 000000000000b9b8 0000000000000001
Call Trace:
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8130f980>] do_page_fault+0x9da/0xace
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81168385>] ? sprintf+0x68/0x6a
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff811682cb>] ? vsnprintf+0x56b/0x5bd
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81070907>] ? sprint_symbol+0x8a/0x96
 [<ffffffff81070907>] ? sprint_symbol+0x8a/0x96
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff8116807b>] ? vsnprintf+0x31b/0x5bd
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff8107018d>] ? get_symbol_pos+0x9/0xe4
 [<ffffffff810707b6>] ? kallsyms_lookup+0x5e/0x125
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff81064b1b>] ? trace_hardirqs_off+0xd/0xf
 [<ffffffff810c8d7e>] ? kmem_cache_alloc+0x4a/0xcb
 [<ffffffff810c8d6c>] ? kmem_cache_alloc+0x38/0xcb
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010000>] ? sys_rt_sigreturn+0x2a0/0x3d0
 [<ffffffff811c8716>] ? get_random_bytes+0x20/0x22
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8101277e>] die+0x62/0x6b
 [<ffffffff8130df44>] do_general_protection+0x123/0x12c
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff81094d53>] ? ftrace_record_ip+0x206/0x22b
 [<ffffffff81010164>] mcount_call+0x5/0x31
 [<ffffffff812fba30>] ? read_current_timer+0xe/0x30
 [<ffffffff8130150b>] calibrate_delay+0xe2/0x2a7
 [<ffffffff8130615b>] start_secondary+0xc0/0x16e


Code: f7 9c 58 66 0f 1f 44 00 00 49 89 c4 fa 0f 1f 80 00 00 00 00 e8 a2 bd f9 ff 65 8b 04 25 24 00 00 00 48 98 49 8b 94 c5 18 11 00 00 <8b> 7a 18 89 7d d4 48 8b 1a 48 85 db 74 0c 8b 42 14 48 8b 04 c3 
RIP  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
 RSP <ffff88007f04f2c8>
CR2: 0000000000000018
---[ end trace 4eaa2a86a8e2da22 ]---
Kernel panic - not syncing: Attempted to kill the idle task!
------------[ cut here ]------------
WARNING: at kernel/smp.c:290 smp_call_function_mask+0x47/0x181() (Tainted: G      D W)
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1

Call Trace:
 [<ffffffff81043bc8>] warn_on_slowpath+0x65/0x98
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8116c6e0>] ? _raw_spin_unlock+0x8e/0x93
 [<ffffffff8130c626>] ? _spin_unlock+0x2b/0x2f
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c0dd>] smp_call_function_mask+0x47/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8130f980>] do_page_fault+0x9da/0xace
 [<ffffffff811682cb>] ? vsnprintf+0x56b/0x5bd
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8116c6e0>] ? _raw_spin_unlock+0x8e/0x93
 [<ffffffff8130c626>] ? _spin_unlock+0x2b/0x2f
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81309b5a>] ? printk+0x6c/0x72
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810437e4>] ? init_oops_id+0x9/0x28
 [<ffffffff81043826>] ? print_oops_end_marker+0x23/0x25
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff81064b1b>] ? trace_hardirqs_off+0xd/0xf
 [<ffffffff810c8d7e>] ? kmem_cache_alloc+0x4a/0xcb
 [<ffffffff810c8d6c>] ? kmem_cache_alloc+0x38/0xcb
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8130f980>] do_page_fault+0x9da/0xace
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81168385>] ? sprintf+0x68/0x6a
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff811682cb>] ? vsnprintf+0x56b/0x5bd
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81070907>] ? sprint_symbol+0x8a/0x96
 [<ffffffff81070907>] ? sprint_symbol+0x8a/0x96
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff8116807b>] ? vsnprintf+0x31b/0x5bd
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff8107018d>] ? get_symbol_pos+0x9/0xe4
 [<ffffffff810707b6>] ? kallsyms_lookup+0x5e/0x125
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff81064b1b>] ? trace_hardirqs_off+0xd/0xf
 [<ffffffff810c8d7e>] ? kmem_cache_alloc+0x4a/0xcb
 [<ffffffff810c8d6c>] ? kmem_cache_alloc+0x38/0xcb
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010000>] ? sys_rt_sigreturn+0x2a0/0x3d0
 [<ffffffff811c8716>] ? get_random_bytes+0x20/0x22
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8101277e>] die+0x62/0x6b
 [<ffffffff8130df44>] do_general_protection+0x123/0x12c
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff81094d53>] ? ftrace_record_ip+0x206/0x22b
 [<ffffffff81010164>] mcount_call+0x5/0x31
 [<ffffffff812fba30>] ? read_current_timer+0xe/0x30
 [<ffffffff8130150b>] calibrate_delay+0xe2/0x2a7
 [<ffffffff8130615b>] start_secondary+0xc0/0x16e

---[ end trace 4eaa2a86a8e2da22 ]---
BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
IP: [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
PGD 0 
Oops: 0000 [4] SMP DEBUG_PAGEALLOC
CPU 2 
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1
RIP: 0010:[<ffffffff810c8d7e>]  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
RSP: 0018:ffff88007f04eb98  EFLAGS: 00010046
RAX: 0000000000000002 RBX: ffffffff81405781 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0101010101010101 RDI: ffffffff81064b1b
RBP: ffff88007f04ebc8 R08: 0000000000000002 R09: ffffffff8130c5e4
R10: 0000000000000001 R11: 0000000000000040 R12: 0000000000000096
R13: ffffffff814efaa8 R14: ffffffff8106c157 R15: 0000000000000020
FS:  0000000000000000(0000) GS:ffff88007f821898(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000018 CR3: 0000000000201000 CR4: 00000000000006a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 0, threadinfo ffff88007f04e000, task ffff88007f050000)
Stack:  ffffffff8101ff41 ffffffff81405781 0000000000000003 0000000000000000
 0000000000000000 ffffffff8101ff41 ffff88007f04eca8 ffffffff8106c157
 0000000000000000 000000000000000b 000000000000c2c1 0000000000000001
Call Trace:
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8130f980>] do_page_fault+0x9da/0xace
 [<ffffffff811682cb>] ? vsnprintf+0x56b/0x5bd
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8116c6e0>] ? _raw_spin_unlock+0x8e/0x93
 [<ffffffff8130c626>] ? _spin_unlock+0x2b/0x2f
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81309b5a>] ? printk+0x6c/0x72
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810437e4>] ? init_oops_id+0x9/0x28
 [<ffffffff81043826>] ? print_oops_end_marker+0x23/0x25
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff81064b1b>] ? trace_hardirqs_off+0xd/0xf
 [<ffffffff810c8d7e>] ? kmem_cache_alloc+0x4a/0xcb
 [<ffffffff810c8d6c>] ? kmem_cache_alloc+0x38/0xcb
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8130f980>] do_page_fault+0x9da/0xace
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81168385>] ? sprintf+0x68/0x6a
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff811682cb>] ? vsnprintf+0x56b/0x5bd
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81070907>] ? sprint_symbol+0x8a/0x96
 [<ffffffff81070907>] ? sprint_symbol+0x8a/0x96
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff8116807b>] ? vsnprintf+0x31b/0x5bd
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff8107018d>] ? get_symbol_pos+0x9/0xe4
 [<ffffffff810707b6>] ? kallsyms_lookup+0x5e/0x125
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff81064b1b>] ? trace_hardirqs_off+0xd/0xf
 [<ffffffff810c8d7e>] ? kmem_cache_alloc+0x4a/0xcb
 [<ffffffff810c8d6c>] ? kmem_cache_alloc+0x38/0xcb
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010000>] ? sys_rt_sigreturn+0x2a0/0x3d0
 [<ffffffff811c8716>] ? get_random_bytes+0x20/0x22
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8101277e>] die+0x62/0x6b
 [<ffffffff8130df44>] do_general_protection+0x123/0x12c
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff81094d53>] ? ftrace_record_ip+0x206/0x22b
 [<ffffffff81010164>] mcount_call+0x5/0x31
 [<ffffffff812fba30>] ? read_current_timer+0xe/0x30
 [<ffffffff8130150b>] calibrate_delay+0xe2/0x2a7
 [<ffffffff8130615b>] start_secondary+0xc0/0x16e


Code: f7 9c 58 66 0f 1f 44 00 00 49 89 c4 fa 0f 1f 80 00 00 00 00 e8 a2 bd f9 ff 65 8b 04 25 24 00 00 00 48 98 49 8b 94 c5 18 11 00 00 <8b> 7a 18 89 7d d4 48 8b 1a 48 85 db 74 0c 8b 42 14 48 8b 04 c3 
RIP  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
 RSP <ffff88007f04eb98>
CR2: 0000000000000018
---[ end trace 4eaa2a86a8e2da22 ]---
Kernel panic - not syncing: Attempted to kill the idle task!
------------[ cut here ]------------
WARNING: at kernel/smp.c:290 smp_call_function_mask+0x47/0x181() (Tainted: G      D W)
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1

Call Trace:
 [<ffffffff81043bc8>] warn_on_slowpath+0x65/0x98
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8116c6e0>] ? _raw_spin_unlock+0x8e/0x93
 [<ffffffff8130c626>] ? _spin_unlock+0x2b/0x2f
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c0dd>] smp_call_function_mask+0x47/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8130f980>] do_page_fault+0x9da/0xace
 [<ffffffff811682cb>] ? vsnprintf+0x56b/0x5bd
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8116c6e0>] ? _raw_spin_unlock+0x8e/0x93
 [<ffffffff8130c626>] ? _spin_unlock+0x2b/0x2f
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81309b5a>] ? printk+0x6c/0x72
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810437e4>] ? init_oops_id+0x9/0x28
 [<ffffffff81043826>] ? print_oops_end_marker+0x23/0x25
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff81064b1b>] ? trace_hardirqs_off+0xd/0xf
 [<ffffffff810c8d7e>] ? kmem_cache_alloc+0x4a/0xcb
 [<ffffffff810c8d6c>] ? kmem_cache_alloc+0x38/0xcb
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8130f980>] do_page_fault+0x9da/0xace
 [<ffffffff811682cb>] ? vsnprintf+0x56b/0x5bd
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8116c6e0>] ? _raw_spin_unlock+0x8e/0x93
 [<ffffffff8130c626>] ? _spin_unlock+0x2b/0x2f
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81309b5a>] ? printk+0x6c/0x72
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810437e4>] ? init_oops_id+0x9/0x28
 [<ffffffff81043826>] ? print_oops_end_marker+0x23/0x25
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff81064b1b>] ? trace_hardirqs_off+0xd/0xf
 [<ffffffff810c8d7e>] ? kmem_cache_alloc+0x4a/0xcb
 [<ffffffff810c8d6c>] ? kmem_cache_alloc+0x38/0xcb
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8130f980>] do_page_fault+0x9da/0xace
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81168385>] ? sprintf+0x68/0x6a
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff811682cb>] ? vsnprintf+0x56b/0x5bd
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81070907>] ? sprint_symbol+0x8a/0x96
 [<ffffffff81070907>] ? sprint_symbol+0x8a/0x96
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff8116807b>] ? vsnprintf+0x31b/0x5bd
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff8107018d>] ? get_symbol_pos+0x9/0xe4
 [<ffffffff810707b6>] ? kallsyms_lookup+0x5e/0x125
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff81064b1b>] ? trace_hardirqs_off+0xd/0xf
 [<ffffffff810c8d7e>] ? kmem_cache_alloc+0x4a/0xcb
 [<ffffffff810c8d6c>] ? kmem_cache_alloc+0x38/0xcb
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010000>] ? sys_rt_sigreturn+0x2a0/0x3d0
 [<ffffffff811c8716>] ? get_random_bytes+0x20/0x22
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8101277e>] die+0x62/0x6b
 [<ffffffff8130df44>] do_general_protection+0x123/0x12c
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff81094d53>] ? ftrace_record_ip+0x206/0x22b
 [<ffffffff81010164>] mcount_call+0x5/0x31
 [<ffffffff812fba30>] ? read_current_timer+0xe/0x30
 [<ffffffff8130150b>] calibrate_delay+0xe2/0x2a7
 [<ffffffff8130615b>] start_secondary+0xc0/0x16e

---[ end trace 4eaa2a86a8e2da22 ]---
BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
IP: [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
PGD 0 
Oops: 0000 [5] SMP DEBUG_PAGEALLOC
CPU 2 
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1
RIP: 0010:[<ffffffff810c8d7e>]  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
RSP: 0018:ffff88007f04e468  EFLAGS: 00010046
RAX: 0000000000000002 RBX: ffffffff81405781 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0101010101010101 RDI: ffffffff81064b1b
RBP: ffff88007f04e498 R08: 0000000000000002 R09: ffffffff8130c5e4
R10: 0000000000000001 R11: 0000000000000040 R12: 0000000000000096
R13: ffffffff814efaa8 R14: ffffffff8106c157 R15: 0000000000000020
FS:  0000000000000000(0000) GS:ffff88007f821898(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000018 CR3: 0000000000201000 CR4: 00000000000006a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 0, threadinfo ffff88007f04e000, task ffff88007f050000)
Stack:  ffffffff8101ff41 ffffffff81405781 0000000000000003 0000000000000000
 0000000000000000 ffffffff8101ff41 ffff88007f04e578 ffffffff8106c157
 0000000000000000 000000000000000b 0000000000002322 0000000000000001
Call Trace:
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8130f980>] do_page_fault+0x9da/0xace
 [<ffffffff811682cb>] ? vsnprintf+0x56b/0x5bd
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8116c6e0>] ? _raw_spin_unlock+0x8e/0x93
 [<ffffffff8130c626>] ? _spin_unlock+0x2b/0x2f
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81309b5a>] ? printk+0x6c/0x72
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810437e4>] ? init_oops_id+0x9/0x28
 [<ffffffff81043826>] ? print_oops_end_marker+0x23/0x25
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff81064b1b>] ? trace_hardirqs_off+0xd/0xf
 [<ffffffff810c8d7e>] ? kmem_cache_alloc+0x4a/0xcb
 [<ffffffff810c8d6c>] ? kmem_cache_alloc+0x38/0xcb
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8130f980>] do_page_fault+0x9da/0xace
 [<ffffffff811682cb>] ? vsnprintf+0x56b/0x5bd
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8116c6e0>] ? _raw_spin_unlock+0x8e/0x93
 [<ffffffff8130c626>] ? _spin_unlock+0x2b/0x2f
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81309b5a>] ? printk+0x6c/0x72
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810437e4>] ? init_oops_id+0x9/0x28
 [<ffffffff81043826>] ? print_oops_end_marker+0x23/0x25
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff81064b1b>] ? trace_hardirqs_off+0xd/0xf
 [<ffffffff810c8d7e>] ? kmem_cache_alloc+0x4a/0xcb
 [<ffffffff810c8d6c>] ? kmem_cache_alloc+0x38/0xcb
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8130f980>] do_page_fault+0x9da/0xace
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81168385>] ? sprintf+0x68/0x6a
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff811682cb>] ? vsnprintf+0x56b/0x5bd
 [<ffffffff8130615b>] ? start_secondary+0xc0/0x16e
 [<ffffffff81070907>] ? sprint_symbol+0x8a/0x96
 [<ffffffff81070907>] ? sprint_symbol+0x8a/0x96
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff81167cfc>] ? string+0x3d/0xa1
 [<ffffffff8116807b>] ? vsnprintf+0x31b/0x5bd
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff8107018d>] ? get_symbol_pos+0x9/0xe4
 [<ffffffff810707b6>] ? kallsyms_lookup+0x5e/0x125
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff8106c157>] ? smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff81064b1b>] ? trace_hardirqs_off+0xd/0xf
 [<ffffffff810c8d7e>] ? kmem_cache_alloc+0x4a/0xcb
 [<ffffffff810c8d6c>] ? kmem_cache_alloc+0x38/0xcb
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8101ff41>] ? stop_this_cpu+0x0/0x33
 [<ffffffff8106c157>] smp_call_function_mask+0xc1/0x181
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff810764a5>] ? crash_kexec+0x10/0xe5
 [<ffffffff81010164>] ? mcount_call+0x5/0x31
 [<ffffffff8106c237>] smp_call_function+0x20/0x22
 [<ffffffff8101ff9b>] native_smp_send_stop+0x27/0x6f
 [<ffffffff81309a3f>] panic+0xb4/0x163
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8130c5e4>] ? _spin_unlock_irqrestore+0x45/0x5c
 [<ffffffff8105c843>] ? __blocking_notifier_call_chain+0x16/0x6f
 [<ffffffff8105c8b0>] ? blocking_notifier_call_chain+0x14/0x16
 [<ffffffff81046e3d>] do_exit+0x7e/0x900
 [<ffffffff81010000>] ? sys_rt_sigreturn+0x2a0/0x3d0
 [<ffffffff811c8716>] ? get_random_bytes+0x20/0x22
 [<ffffffff8130d779>] oops_begin+0x0/0x91
 [<ffffffff8101277e>] die+0x62/0x6b
 [<ffffffff8130df44>] do_general_protection+0x123/0x12c
 [<ffffffff8130cdaa>] error_exit+0x0/0xc8
 [<ffffffff81094d61>] ? ftrace_record_ip+0x214/0x22b
 [<ffffffff81094d53>] ? ftrace_record_ip+0x206/0x22b
 [<ffffffff81010164>] mcount_call+0x5/0x31
 [<ffffffff812fba30>] ? read_current_timer+0xe/0x30
 [<ffffffff8130150b>] calibrate_delay+0xe2/0x2a7
 [<ffffffff8130615b>] start_secondary+0xc0/0x16e


Code: f7 9c 58 66 0f 1f 44 00 00 49 89 c4 fa 0f 1f 80 00 00 00 00 e8 a2 bd f9 ff 65 8b 04 25 24 00 00 00 48 98 49 8b 94 c5 18 11 00 00 <8b> 7a 18 89 7d d4 48 8b 1a 48 85 db 74 0c 8b 42 14 48 8b 04 c3 
RIP  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
 RSP <ffff88007f04e468>
CR2: 0000000000000018
---[ end trace 4eaa2a86a8e2da22 ]---
Kernel panic - not syncing: Aiee, killing interrupt handler!
------------[ cut here ]------------
WARNING: at kernel/smp.c:290 smp_call_function_mask+0x47/0x181() (Tainted: G      D W)
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1

Call Trace:

---[ end trace 4eaa2a86a8e2da22 ]---
BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
IP: [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
PGD 0 
Oops: 0000 [6] SMP DEBUG_PAGEALLOC
ACPI: EC: Look up EC in DSDT
CPU 2 
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1
RIP: 0010:[<ffffffff810c8d7e>]  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
RSP: 0018:ffff88007f04dd38  EFLAGS: 00010046
RAX: 0000000000000002 RBX: ffffffff81405760 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0101010101010101 RDI: ffffffff81064b1b
RBP: ffff88007f04dd68 R08: 0000000000000002 R09: ffffffff8130c5e4
R10: 0000000000000001 R11: 0000000000000040 R12: 0000000000000096
R13: ffffffff814efaa8 R14: ffffffff8106c157 R15: 0000000000000020
FS:  0000000000000000(0000) GS:ffff88007f821898(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000018 CR3: 0000000000201000 CR4: 00000000000006a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 0, threadinfo ffff88007f04e000, task ffff88007f050000)
Stack:  ffffffff8101ff41 ffffffff81405760 0000000000000003 0000000000000000
 0000000000000000 ffffffff8101ff41 ffff88007f04de48 ffffffff8106c157
 0000000000000000 000000000000000b 000000000000dcdb 0000000000000001
Call Trace:


Code: f7 9c 58 66 0f 1f 44 00 00 49 89 c4 fa 0f 1f 80 00 00 00 00 e8 a2 bd f9 ff 65 8b 04 25 24 00 00 00 48 98 49 8b 94 c5 18 11 00 00 <8b> 7a 18 89 7d d4 48 8b 1a 48 85 db 74 0c 8b 42 14 48 8b 04 c3 
RIP  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
 RSP <ffff88007f04dd38>
CR2: 0000000000000018
---[ end trace 4eaa2a86a8e2da22 ]---
Kernel panic - not syncing: Aiee, killing interrupt handler!
------------[ cut here ]------------
WARNING: at kernel/smp.c:290 smp_call_function_mask+0x47/0x181() (Tainted: G      D W)
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1

Call Trace:

---[ end trace 4eaa2a86a8e2da22 ]---
BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
IP: [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
PGD 0 
Oops: 0000 [7] SMP DEBUG_PAGEALLOC
CPU 2 
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1
RIP: 0010:[<ffffffff810c8d7e>]  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
RSP: 0018:ffff88007f04d608  EFLAGS: 00010046
RAX: 0000000000000002 RBX: ffffffff81405760 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0101010101010101 RDI: ffffffff81064b1b
RBP: ffff88007f04d638 R08: 0000000000000002 R09: 00000000ffffffff
R10: 0000000000000001 R11: 0000000000000040 R12: 0000000000000096
R13: ffffffff814efaa8 R14: ffffffff8106c157 R15: 0000000000000020
FS:  0000000000000000(0000) GS:ffff88007f821898(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000018 CR3: 0000000000201000 CR4: 00000000000006a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 0, threadinfo ffff88007f04e000, task ffff88007f050000)
Stack:  ffffffff8101ff41 ffffffff81405760 0000000000000003 0000000000000000
 0000000000000000 ffffffff8101ff41 ffff88007f04d718 ffffffff8106c157
 0000000000000000 000000000000000b 0000000000005e5d 0000000000000001
Call Trace:


Code: f7 9c 58 66 0f 1f 44 00 00 49 89 c4 fa 0f 1f 80 00 00 00 00 e8 a2 bd f9 ff 65 8b 04 25 24 00 00 00 48 98 49 8b 94 c5 18 11 00 00 <8b> 7a 18 89 7d d4 48 8b 1a 48 85 db 74 0c 8b 42 14 48 8b 04 c3 
RIP  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
 RSP <ffff88007f04d608>
CR2: 0000000000000018
---[ end trace 4eaa2a86a8e2da22 ]---
Kernel panic - not syncing: Aiee, killing interrupt handler!
------------[ cut here ]------------
WARNING: at kernel/smp.c:290 smp_call_function_mask+0x47/0x181() (Tainted: G      D W)
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1

Call Trace:

---[ end trace 4eaa2a86a8e2da22 ]---
BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
IP: [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
PGD 0 
Oops: 0000 [8] SMP DEBUG_PAGEALLOC
CPU 2 
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1
RIP: 0010:[<ffffffff810c8d7e>]  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
RSP: 0018:ffff88007f04ced8  EFLAGS: 00010046
RAX: 0000000000000002 RBX: ffffffff81405760 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0101010101010101 RDI: ffffffff81064b1b
RBP: ffff88007f04cf08 R08: 0000000000000002 R09: 00000000ffffffff
R10: 0000000000000001 R11: 0000000000000040 R12: 0000000000000092
R13: ffffffff814efaa8 R14: ffffffff8106c157 R15: 0000000000000020
FS:  0000000000000000(0000) GS:ffff88007f821898(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000018 CR3: 0000000000201000 CR4: 00000000000006a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 0, threadinfo ffff88007f04e000, task ffff88007f050000)
Stack:  ffffffff8101ff41 ffffffff81405760 0000000000000003 0000000000000000
 0000000000000000 ffffffff8101ff41 ffff88007f04cfe8 ffffffff8106c157
 0000000000000000 000000000000000b 000000000000dedd 0000000000000001
Call Trace:


Code: f7 9c 58 66 0f 1f 44 00 00 49 89 c4 fa 0f 1f 80 00 00 00 00 e8 a2 bd f9 ff 65 8b 04 25 24 00 00 00 48 98 49 8b 94 c5 18 11 00 00 <8b> 7a 18 89 7d d4 48 8b 1a 48 85 db 74 0c 8b 42 14 48 8b 04 c3 
RIP  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
 RSP <ffff88007f04ced8>
CR2: 0000000000000018
---[ end trace 4eaa2a86a8e2da22 ]---
Kernel panic - not syncing: Aiee, killing interrupt handler!
------------[ cut here ]------------
WARNING: at kernel/smp.c:290 smp_call_function_mask+0x47/0x181() (Tainted: G      D W)
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1

Call Trace:

---[ end trace 4eaa2a86a8e2da22 ]---
BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
IP: [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
PGD 0 
Oops: 0000 [9] SMP DEBUG_PAGEALLOC
CPU 2 
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1
RIP: 0010:[<ffffffff810c8d7e>]  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
RSP: 0018:ffff88007f04c7a8  EFLAGS: 00010046
RAX: 0000000000000002 RBX: ffffffff81405760 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0101010101010101 RDI: ffffffff81064b1b
RBP: ffff88007f04c7d8 R08: 0000000000000002 R09: 00000000ffffffff
R10: 0000000000000001 R11: 0000000000000040 R12: 0000000000000096
R13: ffffffff814efaa8 R14: ffffffff8106c157 R15: 0000000000000020
FS:  0000000000000000(0000) GS:ffff88007f821898(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000018 CR3: 0000000000201000 CR4: 00000000000006a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 0, threadinfo ffff88007f04e000, task ffff88007f050000)
Stack:  ffffffff8101ff41 ffffffff81405760 0000000000000003 0000000000000000
 0000000000000000 ffffffff8101ff41 ffff88007f04c8b8 ffffffff8106c157
 0000000000000000 000000000000000b 0000000000005e5d 0000000000000001
Call Trace:


Code: f7 9c 58 66 0f 1f 44 00 00 49 89 c4 fa 0f 1f 80 00 00 00 00 e8 a2 bd f9 ff 65 8b 04 25 24 00 00 00 48 98 49 8b 94 c5 18 11 00 00 <8b> 7a 18 89 7d d4 48 8b 1a 48 85 db 74 0c 8b 42 14 48 8b 04 c3 
RIP  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
 RSP <ffff88007f04c7a8>
CR2: 0000000000000018
---[ end trace 4eaa2a86a8e2da22 ]---
Kernel panic - not syncing: Aiee, killing interrupt handler!
------------[ cut here ]------------
WARNING: at kernel/smp.c:290 smp_call_function_mask+0x47/0x181() (Tainted: G      D W)
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1

Call Trace:

---[ end trace 4eaa2a86a8e2da22 ]---
BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
IP: [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
PGD 0 
Oops: 0000 [10] SMP DEBUG_PAGEALLOC
CPU 2 
Modules linked in:
Pid: 0, comm: swapper Tainted: G      D W 2.6.27-0.205.rc1.git2.fc10.x86_64 #1
RIP: 0010:[<ffffffff810c8d7e>]  [<ffffffff810c8d7e>] kmem_cache_alloc+0x4a/0xcb
RSP: 0018:ffff88007f04c078  EFLAGS: 00010046
RAX: 0000000000000002 RBX: ffffffff81405760 RCX: 0000000
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Only three cores found on quad-core machine., Dave Jones, (Fri Aug 1, 2:15 pm)
Re: Only three cores found on quad-core machine., Steven Rostedt, (Mon Aug 11, 10:23 pm)