[adding cc: Jason Wessel]


On Thu, 11 Sep 2008 21:11:09 +0530 Tej wrote:

quoted text
> observed a panic on 2.6.27-rc6 caused by  enabling
> "CONFIG_KGDB_TESTS_ON_BOOT" option
> 
> panic logged using serial console and .config are attached.
> 
> Linux version 2.6.27-rc6 (root@luser-desktop) (gcc version 4.2.3 (Ubuntu 4.2.3-8
> BIOS-provided physical RAM map:
>  BIOS-e820: 0000000000000000 - 000000000008f000 (usable)
>  BIOS-e820: 000000000008f000 - 00000000000a0000 (reserved)
>  BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
>  BIOS-e820: 0000000000100000 - 000000003e56f000 (usable)
>  BIOS-e820: 000000003e56f000 - 000000003e57c000 (reserved)
>  BIOS-e820: 000000003e57c000 - 000000003e624000 (usable)
>  BIOS-e820: 000000003e624000 - 000000003e681000 (ACPI NVS)
>  BIOS-e820: 000000003e681000 - 000000003e685000 (ACPI data)
>  BIOS-e820: 000000003e685000 - 000000003e6dc000 (ACPI NVS)
>  BIOS-e820: 000000003e6dc000 - 000000003e6ed000 (usable)
>  BIOS-e820: 000000003e6ed000 - 000000003e6ef000 (ACPI NVS)
>  BIOS-e820: 000000003e6ef000 - 000000003e6f0000 (ACPI data)
>  BIOS-e820: 000000003e6f0000 - 000000003e6f1000 (usable)
>  BIOS-e820: 000000003e6f1000 - 000000003e6ff000 (ACPI data)
>  BIOS-e820: 000000003e6ff000 - 000000003e700000 (usable)
>  BIOS-e820: 000000003e700000 - 000000003f000000 (reserved)
>  BIOS-e820: 00000000ffe00000 - 0000000100000000 (reserved)
> last_pfn = 0x3e700 max_arch_pfn = 0x1000000
> NX (Execute Disable) protection: active
> RAMDISK: 37cfd000 - 37fef2f8
> DMI 2.4 present.
> ACPI: RSDP 000FE020, 0014 (r0 HCLINF)
> ACPI: RSDT 3E6FD038, 0058 (r1 HCLINF DESKTOPS     1748       1000013)
> ACPI: FACP 3E6FC000, 0074 (r1 HCLINF DESKTOPS     1748 MSFT  1000013)
> ACPI: DSDT 3E6F7000, 42C8 (r1 HCLINF DESKTOPS     1748 MSFT  1000013)
> ACPI: FACS 3E685000, 0040
> ACPI: APIC 3E6F6000, 0078 (r1 HCLINF DESKTOPS     1748 MSFT  1000013)
> ACPI: WDDT 3E6F5000, 0040 (r1 HCLINF DESKTOPS     1748 MSFT  1000013)
> ACPI: MCFG 3E6F4000, 003C (r1 HCLINF DESKTOPS     1748 MSFT  1000013)
> ACPI: ASF! 3E6F3000, 00A6 (r32 HCLINF DESKTOPS     1748 MSFT  1000013)
> ACPI: HPET 3E6F2000, 0038 (r1 HCLINF DESKTOPS     1748 MSFT  1000013)
> ACPI: SLIC 3E6F1000, 0176 (r1 HCLINF DESKTOPS     1748 MSFT  1000013)
> ACPI: SSDT 3E6EF000, 020C (r1 HCLINF    CpuPm     1748 MSFT  1000013)
> ACPI: SSDT 3E684000, 0175 (r1 HCLINF  Cpu0Ist     1748 MSFT  1000013)
> ACPI: SSDT 3E683000, 0175 (r1 HCLINF  Cpu1Ist     1748 MSFT  1000013)
> ACPI: SSDT 3E682000, 0175 (r1 HCLINF  Cpu2Ist     1748 MSFT  1000013)
> ACPI: SSDT 3E681000, 0175 (r1 HCLINF  Cpu3Ist     1748 MSFT  1000013)
> ACPI: TCPA 3E624000, 0946 (r1 INTEL  TIANO           2 MSFT  1000013)
> 103MB HIGHMEM available.
> 896MB LOWMEM available.
>   mapped low ram: 0 - 38000000
>   low ram: 00000000 - 38000000
>   bootmap 00009000 - 00010000
> (9 early reservations) ==> bootmem [0000000000 - 0038000000]
>   #0 [0000000000 - 0000001000]   BIOS data page ==> [0000000000 - 0000001000]
>   #1 [0000001000 - 0000002000]    EX TRAMPOLINE ==> [0000001000 - 0000002000]
>   #2 [0000006000 - 0000007000]       TRAMPOLINE ==> [0000006000 - 0000007000]
>   #3 [0000100000 - 0000736140]    TEXT DATA BSS ==> [0000100000 - 0000736140]
>   #4 [0037cfd000 - 0037fef2f8]          RAMDISK ==> [0037cfd000 - 0037fef2f8]
>   #5 [0000737000 - 000073f000]    INIT_PG_TABLE ==> [0000737000 - 000073f000]
>   #6 [000009fc00 - 0000100000]    BIOS reserved ==> [000009fc00 - 0000100000]
>   #7 [0000007000 - 0000009000]          PGTABLE ==> [0000007000 - 0000009000]
>   #8 [0000009000 - 0000010000]          BOOTMAP ==> [0000009000 - 0000010000]
> found SMP MP-table at [c00fe200] 000fe200
> Zone PFN ranges:
>   DMA      0x00000000 -> 0x00001000
>   Normal   0x00001000 -> 0x00038000
>   HighMem  0x00038000 -> 0x0003e700
> Movable zone start PFN for each node
> early_node_map[6] active PFN ranges
>     0: 0x00000000 -> 0x0000008f
>     0: 0x00000100 -> 0x0003e56f
>     0: 0x0003e57c -> 0x0003e624
>     0: 0x0003e6dc -> 0x0003e6ed
>     0: 0x0003e6f0 -> 0x0003e6f1
>     0: 0x0003e6ff -> 0x0003e700
> ACPI: PM-Timer IO Port: 0x408
> ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
> ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
> ACPI: LAPIC (acpi_id[0x03] lapic_id[0x82] disabled)
> ACPI: LAPIC (acpi_id[0x04] lapic_id[0x83] disabled)
> 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 32, 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)
> Enabling APIC mode:  Flat.  Using 1 I/O APICs
> Using ACPI (MADT) for SMP configuration information
> SMP: Allowing 4 CPUs, 2 hotplug CPUs
> Allocating PCI resources starting at 40000000 (gap: 3f000000:c0e00000)
> PERCPU: Allocating 36380 bytes of per cpu data
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 253419
> Kernel command line: root=/dev/sda1 ro quite splash console=tty0 console=ttyS0,
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Initializing CPU#0
> PID hash table entries: 4096 (order: 12, 16384 bytes)
> TSC: PIT calibration confirmed by PMTIMER.
> TSC: using PIT calibration value
> Detected 2397.578 MHz processor.
> Console: colour VGA+ 80x25
> console [tty0] enabled
> console [ttyS0] enabled
> Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
> Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
> Memory: 1002924k/1022976k available (3929k kernel code, 18404k reserved, 1757k )
> virtual kernel memory layout:
>     fixmap  : 0xfff51000 - 0xfffff000   ( 696 kB)
>     pkmap   : 0xffa00000 - 0xffc00000   (2048 kB)
>     vmalloc : 0xf8800000 - 0xff9fe000   ( 113 MB)
>     lowmem  : 0xc0000000 - 0xf8000000   ( 896 MB)
>       .init : 0xc0697000 - 0xc06e5000   ( 312 kB)
>       .data : 0xc04d67a2 - 0xc068de0c   (1757 kB)
>       .text : 0xc0100000 - 0xc04d67a2   (3929 kB)
> Checking if this processor honours the WP bit even in supervisor mode...Ok.
> Calibrating delay loop (skipped), value calculated using timer frequency.. 4795)
> Mount-cache hash table entries: 512
> CPU: L1 I cache: 32K, L1 D cache: 32K
> CPU: L2 cache: 4096K
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 0
> using mwait in idle threads.
> Checking 'hlt' instruction... OK.
> ACPI: Core revision 20080609
> ENABLING IO-APIC IRQs
> ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
> CPU0: Intel(R) Core(TM)2 CPU          6600  @ 2.40GHz stepping 06
> Booting processor 1/1 ip 6000
> Initializing CPU#1
> Calibrating delay using timer specific routine.. 4795.35 BogoMIPS (lpj=23976790)
> CPU: L1 I cache: 32K, L1 D cache: 32K
> CPU: L2 cache: 4096K
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 1
> CPU1: Intel(R) Core(TM)2 CPU          6600  @ 2.40GHz stepping 06
> checking TSC synchronization [CPU#0 -> CPU#1]: passed.
> Brought up 2 CPUs
> Total of 2 processors activated (9590.51 BogoMIPS).
> net_namespace: 596 bytes
> 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
> ACPI: Interpreter enabled
> ACPI: (supports S0 S3 S5)
> ACPI: Using IOAPIC for interrupt routing
> PCI: MCFG configuration 0: base f0000000 segment 0 buses 0 - 127
> PCI: MCFG area at f0000000 reserved in ACPI motherboard resources
> PCI: Using MMCONFIG for extended config space
> ACPI: PCI Root Bridge [PCI0] (0000:00)
> pci 0000:00:03.0: PME# supported from D0 D3hot D3cold
> pci 0000:00:03.0: PME# disabled
> pci 0000:00:19.0: PME# supported from D0 D3hot D3cold
> pci 0000:00:19.0: PME# disabled
> pci 0000:00:1a.7: PME# supported from D0 D3hot D3cold
> pci 0000:00:1a.7: PME# disabled
> pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold
> pci 0000:00:1b.0: PME# disabled
> pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
> pci 0000:00:1c.0: PME# disabled
> pci 0000:00:1c.1: PME# supported from D0 D3hot D3cold
> pci 0000:00:1c.1: PME# disabled
> pci 0000:00:1c.2: PME# supported from D0 D3hot D3cold
> pci 0000:00:1c.2: PME# disabled
> pci 0000:00:1c.3: PME# supported from D0 D3hot D3cold
> pci 0000:00:1c.3: PME# disabled
> pci 0000:00:1c.4: PME# supported from D0 D3hot D3cold
> pci 0000:00:1c.4: PME# disabled
> pci 0000:00:1d.7: PME# supported from D0 D3hot D3cold
> pci 0000:00:1d.7: PME# disabled
> pci 0000:00:1f.0: quirk: region 0400-047f claimed by ICH6 ACPI/GPIO/TCO
> pci 0000:00:1f.0: quirk: region 0500-053f claimed by ICH6 GPIO
> pci 0000:00:1f.2: PME# supported from D3hot
> pci 0000:00:1f.2: PME# disabled
> pci 0000:00:1f.5: PME# supported from D3hot
> pci 0000:00:1f.5: PME# disabled
> pci 0000:02:00.0: PME# supported from D0 D1 D3hot
> pci 0000:02:00.0: PME# disabled
> PCI: bridge 0000:00:1c.1 io port: [1000, 1fff]
> PCI: bridge 0000:00:1c.1 32bit mmio: [50000000, 500fffff]
> pci 0000:00:1e.0: transparent bridge
> ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 7 9 10 *11 12)
> ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 7 9 *10 11 12)
> ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 7 9 10 *11 12)
> ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 7 9 10 *11 12)
> ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 7 *9 10 11 12)
> ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 7 9 *10 11 12)
> ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 7 *9 10 11 12)
> ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 7 9 10 *11 12)
> Linux Plug and Play Support v0.97 (c) Adam Belay
> pnp: PnP ACPI init
> ACPI: bus type pnp registered
> pnp: PnP ACPI: found 14 devices
> ACPI: ACPI bus type pnp unregistered
> SCSI subsystem initialized
> usbcore: registered new interface driver usbfs
> usbcore: registered new interface driver hub
> usbcore: registered new device driver usb
> PCI: Using ACPI for IRQ routing
> ACPI: RTC can wake from S4
> system 00:01: iomem range 0xf0000000-0xf7ffffff has been reserved
> system 00:01: iomem range 0xfed13000-0xfed13fff has been reserved
> system 00:01: iomem range 0xfed14000-0xfed17fff has been reserved
> system 00:01: iomem range 0xfed18000-0xfed18fff has been reserved
> system 00:01: iomem range 0xfed19000-0xfed19fff has been reserved
> system 00:01: iomem range 0xfed1c000-0xfed1ffff has been reserved
> system 00:01: iomem range 0xfed20000-0xfed3ffff has been reserved
> system 00:01: iomem range 0xfed45000-0xfed99fff has been reserved
> system 00:01: iomem range 0xc0000-0xdffff could not be reserved
> system 00:01: iomem range 0xe0000-0xfffff could not be reserved
> system 00:06: ioport range 0x500-0x53f has been reserved
> system 00:06: ioport range 0x400-0x47f has been reserved
> system 00:06: ioport range 0x680-0x6ff has been reserved
> system 00:07: iomem range 0xfed40000-0xfed44fff has been reserved
> pci 0000:00:1c.0: PCI bridge, secondary bus 0000:01
> pci 0000:00:1c.0:   IO window: disabled
> pci 0000:00:1c.0:   MEM window: disabled
> pci 0000:00:1c.0:   PREFETCH window: disabled
> pci 0000:00:1c.1: PCI bridge, secondary bus 0000:02
> pci 0000:00:1c.1:   IO window: 0x1000-0x1fff
> pci 0000:00:1c.1:   MEM window: 0x50000000-0x500fffff
> pci 0000:00:1c.1:   PREFETCH window: disabled
> pci 0000:00:1c.2: PCI bridge, secondary bus 0000:03
> pci 0000:00:1c.2:   IO window: disabled
> pci 0000:00:1c.2:   MEM window: disabled
> pci 0000:00:1c.2:   PREFETCH window: disabled
> pci 0000:00:1c.3: PCI bridge, secondary bus 0000:04
> pci 0000:00:1c.3:   IO window: disabled
> pci 0000:00:1c.3:   MEM window: disabled
> pci 0000:00:1c.3:   PREFETCH window: disabled
> pci 0000:00:1c.4: PCI bridge, secondary bus 0000:05
> pci 0000:00:1c.4:   IO window: disabled
> pci 0000:00:1c.4:   MEM window: disabled
> pci 0000:00:1c.4:   PREFETCH window: disabled
> pci 0000:00:1e.0: PCI bridge, secondary bus 0000:06
> pci 0000:00:1e.0:   IO window: disabled
> pci 0000:00:1e.0:   MEM window: disabled
> pci 0000:00:1e.0:   PREFETCH window: disabled
> pci 0000:00:1c.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
> pci 0000:00:1c.1: PCI INT B -> GSI 16 (level, low) -> IRQ 16
> pci 0000:00:1c.2: PCI INT C -> GSI 18 (level, low) -> IRQ 18
> pci 0000:00:1c.3: PCI INT D -> GSI 19 (level, low) -> IRQ 19
> pci 0000:00:1c.4: PCI INT A -> GSI 17 (level, low) -> IRQ 17
> bus: 00 index 0 io port: [0, ffff]
> bus: 00 index 1 mmio: [0, ffffffffffffffff]
> bus: 01 index 0 mmio: [0, 0]
> bus: 01 index 1 mmio: [0, 0]
> bus: 01 index 2 mmio: [0, 0]
> bus: 01 index 3 mmio: [0, 0]
> bus: 02 index 0 io port: [1000, 1fff]
> bus: 02 index 1 mmio: [50000000, 500fffff]
> bus: 02 index 2 mmio: [0, 0]
> bus: 02 index 3 mmio: [0, 0]
> bus: 03 index 0 mmio: [0, 0]
> bus: 03 index 1 mmio: [0, 0]
> bus: 03 index 2 mmio: [0, 0]
> bus: 03 index 3 mmio: [0, 0]
> bus: 04 index 0 mmio: [0, 0]
> bus: 04 index 1 mmio: [0, 0]
> bus: 04 index 2 mmio: [0, 0]
> bus: 04 index 3 mmio: [0, 0]
> bus: 05 index 0 mmio: [0, 0]
> bus: 05 index 1 mmio: [0, 0]
> bus: 05 index 2 mmio: [0, 0]
> bus: 05 index 3 mmio: [0, 0]
> bus: 06 index 0 mmio: [0, 0]
> bus: 06 index 1 mmio: [0, 0]
> bus: 06 index 2 mmio: [0, 0]
> bus: 06 index 3 io port: [0, ffff]
> bus: 06 index 4 mmio: [0, ffffffffffffffff]
> NET: Registered protocol family 2
> IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
> TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
> TCP bind hash table entries: 65536 (order: 7, 524288 bytes)
> TCP: Hash tables configured (established 131072 bind 65536)
> TCP reno registered
> NET: Registered protocol family 1
> checking if image is initramfs... it is
> Freeing initrd memory: 3016k freed
> IA-32 Microcode Update Driver: v1.14a <tigran@aivazian.fsnet.co.uk>
> highmem bounce pool size: 64 pages
> fuse init (API version 7.9)
> msgmni has been set to 1761
> io scheduler noop registered
> io scheduler anticipatory registered (default)
> io scheduler deadline registered
> io scheduler cfq registered
> pcieport-driver 0000:00:1c.0: found MSI capability
> pcieport-driver 0000:00:1c.1: found MSI capability
> pcieport-driver 0000:00:1c.2: found MSI capability
> pcieport-driver 0000:00:1c.3: found MSI capability
> pcieport-driver 0000:00:1c.4: found MSI capability
> Serial: 8250/16550 driver4 ports, IRQ sharing disabled
> serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> 00:0b: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> floppy0: no floppy controllers found
> brd: module loaded
> loop: module loaded
> HP CISS Driver (v 3.6.20)
> kgdb: Registered I/O driver kgdbts.
> kgdbts:RUN plant and detach test
> kgdbts:RUN sw breakpoint test
> kgdbts:RUN bad memory access test
> kgdbts:RUN singlestep test 1000 iterations
> kgdbts:RUN singlestep [0/1000]
> kgdbts:RUN singlestep [100/1000]
> kgdbts: BP mismatch c0109c02 expected c02ad250
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:302 check_and_rewind_pc+0xb2/0xe0()
> Modules linked in:
> Pid: 0, comm: swapper Not tainted 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c01548f7>] ? __rmqueue_smallest+0xb7/0x130
>  [<c02445e7>] ? __copy_to_user_ll+0x57/0x60
>  [<c0153dc0>] ? probe_kernel_write+0x20/0x40
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c02adfb2>] check_and_rewind_pc+0xb2/0xe0
>  [<c0109c02>] ? mwait_idle+0x32/0x40
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c02acdd1>] validate_simple_test+0x21/0xb0
>  [<c02ad5a7>] run_simple_test+0x107/0x260
>  [<c0153e00>] ? probe_kernel_read+0x20/0x40
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa36>] put_packet+0x86/0xe0
>  [<c014b650>] kgdb_handle_exception+0x2f0/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c01056ca>] die_nmi+0x3a/0x100
>  [<c0112697>] nmi_watchdog_tick+0x187/0x190
>  [<c0106067>] do_nmi+0x87/0x2a0
>  [<c04d5a73>] nmi_stack_correct+0x26/0x2b
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c0109c02>] ? mwait_idle+0x32/0x40
>  [<c01026c5>] cpu_idle+0x55/0xf0
>  [<c04ae02e>] rest_init+0x4e/0x60
>  [<c069794f>] start_kernel+0x23f/0x2c0
>  [<c0697270>] ? unknown_bootoption+0x0/0x210
>  [<c0697077>] __init_begin+0x77/0xb0
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR PUT: end of test buffer on 'singlestep_breakpoint_test' line 3 ex0
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:721 run_simple_test+0x153/0x260()
> Modules linked in:
> Pid: 0, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c02adfb2>] ? check_and_rewind_pc+0xb2/0xe0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad5f3>] run_simple_test+0x153/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa36>] put_packet+0x86/0xe0
>  [<c014b650>] kgdb_handle_exception+0x2f0/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c01056ca>] die_nmi+0x3a/0x100
>  [<c0112697>] nmi_watchdog_tick+0x187/0x190
>  [<c0106067>] do_nmi+0x87/0x2a0
>  [<c04d5a73>] nmi_stack_correct+0x26/0x2b
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c0109c02>] ? mwait_idle+0x32/0x40
>  [<c01026c5>] cpu_idle+0x55/0xf0
>  [<c04ae02e>] rest_init+0x4e/0x60
>  [<c069794f>] start_kernel+0x23f/0x2c0
>  [<c0697270>] ? unknown_bootoption+0x0/0x210
>  [<c0697077>] __init_begin+0x77/0xb0
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR PUT: end of test buffer on 'singlestep_breakpoint_test' line 0 ex7
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:721 run_simple_test+0x153/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c013c33d>] ? notifier_call_chain+0x2d/0x60
>  [<c013c3ba>] ? atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] ? notify_die+0x2d/0x30
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad5f3>] run_simple_test+0x153/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa36>] put_packet+0x86/0xe0
>  [<c014c089>] kgdb_handle_exception+0xd29/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c01100d8>] ? msr_seek+0x68/0x80
>  [<c014ac53>] ? kgdb_breakpoint+0x13/0x30
>  [<c02adb1e>] configure_kgdbts+0x1fe/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: BP mismatch c0109c03 expected c02ad250
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:302 check_and_rewind_pc+0xb2/0xe0()
> Modules linked in:
> Pid: 0, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c013c33d>] ? notifier_call_chain+0x2d/0x60
>  [<c013c33d>] ? notifier_call_chain+0x2d/0x60
>  [<c02445e7>] ? __copy_to_user_ll+0x57/0x60
>  [<c0153dc0>] ? probe_kernel_write+0x20/0x40
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c02adfb2>] check_and_rewind_pc+0xb2/0xe0
>  [<c0109c03>] ? mwait_idle+0x33/0x40
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c02acdd1>] validate_simple_test+0x21/0xb0
>  [<c02ad5a7>] run_simple_test+0x107/0x260
>  [<c0153e00>] ? probe_kernel_read+0x20/0x40
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa36>] put_packet+0x86/0xe0
>  [<c014b650>] kgdb_handle_exception+0x2f0/0xd90
>  [<c011fd25>] ? run_rebalance_domains+0x125/0x3f0
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105c65>] do_debug+0x55/0xe0
>  [<c04d5a17>] debug_stack_correct+0x27/0x2c
>  [<c0109c03>] ? mwait_idle+0x33/0x40
>  [<c01026c5>] ? cpu_idle+0x55/0xf0
>  [<c04ae02e>] rest_init+0x4e/0x60
>  [<c069794f>] start_kernel+0x23f/0x2c0
>  [<c0697270>] ? unknown_bootoption+0x0/0x210
>  [<c0697077>] __init_begin+0x77/0xb0
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR PUT: end of test buffer on 'singlestep_breakpoint_test' line 3 ex0
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:721 run_simple_test+0x153/0x260()
> Modules linked in:
> Pid: 0, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c013c33d>] ? notifier_call_chain+0x2d/0x60
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c02adfb2>] ? check_and_rewind_pc+0xb2/0xe0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad5f3>] run_simple_test+0x153/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa36>] put_packet+0x86/0xe0
>  [<c014b650>] kgdb_handle_exception+0x2f0/0xd90
>  [<c011fd25>] ? run_rebalance_domains+0x125/0x3f0
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105c65>] do_debug+0x55/0xe0
>  [<c04d5a17>] debug_stack_correct+0x27/0x2c
>  [<c0109c03>] ? mwait_idle+0x33/0x40
>  [<c01026c5>] ? cpu_idle+0x55/0xf0
>  [<c04ae02e>] rest_init+0x4e/0x60
>  [<c069794f>] start_kernel+0x23f/0x2c0
>  [<c0697270>] ? unknown_bootoption+0x0/0x210
>  [<c0697077>] __init_begin+0x77/0xb0
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts:RUN singlestep [200/1000]
> KGDB: Waiting for remote debugger
> kgdbts: BP mismatch c014ac53 expected c02ad250
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:302 check_and_rewind_pc+0xb2/0xe0()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c013c33d>] ? notifier_call_chain+0x2d/0x60
>  [<c013c33d>] ? notifier_call_chain+0x2d/0x60
>  [<c02445e7>] ? __copy_to_user_ll+0x57/0x60
>  [<c0153dc0>] ? probe_kernel_write+0x20/0x40
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c02adfb2>] check_and_rewind_pc+0xb2/0xe0
>  [<c014ac53>] ? kgdb_breakpoint+0x13/0x30
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c02acdd1>] validate_simple_test+0x21/0xb0
>  [<c02ad5a7>] run_simple_test+0x107/0x260
>  [<c0153e00>] ? probe_kernel_read+0x20/0x40
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa36>] put_packet+0x86/0xe0
>  [<c014b650>] kgdb_handle_exception+0x2f0/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c01100d8>] ? msr_seek+0x68/0x80
>  [<c014ac53>] ? kgdb_breakpoint+0x13/0x30
>  [<c02adb1e>] configure_kgdbts+0x1fe/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR PUT: end of test buffer on 'singlestep_breakpoint_test' line 3 ex0
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:721 run_simple_test+0x153/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c013c33d>] ? notifier_call_chain+0x2d/0x60
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c02adfb2>] ? check_and_rewind_pc+0xb2/0xe0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad5f3>] run_simple_test+0x153/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa36>] put_packet+0x86/0xe0
>  [<c014b650>] kgdb_handle_exception+0x2f0/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c01100d8>] ? msr_seek+0x68/0x80
>  [<c014ac53>] ? kgdb_breakpoint+0x13/0x30
>  [<c02adb1e>] configure_kgdbts+0x1fe/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts:RUN singlestep [300/1000]
> kgdbts: BP mismatch c0109c02 expected c02ad250
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:302 check_and_rewind_pc+0xb2/0xe0()
> Modules linked in:
> Pid: 0, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02445e7>] ? __copy_to_user_ll+0x57/0x60
>  [<c0153dc0>] ? probe_kernel_write+0x20/0x40
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c02adfb2>] check_and_rewind_pc+0xb2/0xe0
>  [<c0109c02>] ? mwait_idle+0x32/0x40
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c02acdd1>] validate_simple_test+0x21/0xb0
>  [<c02ad5a7>] run_simple_test+0x107/0x260
>  [<c0153e00>] ? probe_kernel_read+0x20/0x40
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa36>] put_packet+0x86/0xe0
>  [<c014b650>] kgdb_handle_exception+0x2f0/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c01056ca>] die_nmi+0x3a/0x100
>  [<c0112697>] nmi_watchdog_tick+0x187/0x190
>  [<c0106067>] do_nmi+0x87/0x2a0
>  [<c04d5a73>] nmi_stack_correct+0x26/0x2b
>  [<c0109c02>] ? mwait_idle+0x32/0x40
>  [<c01026c5>] cpu_idle+0x55/0xf0
>  [<c04ae02e>] rest_init+0x4e/0x60
>  [<c069794f>] start_kernel+0x23f/0x2c0
>  [<c0697270>] ? unknown_bootoption+0x0/0x210
>  [<c0697077>] __init_begin+0x77/0xb0
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR PUT: end of test buffer on 'singlestep_breakpoint_test' line 10 e0
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:721 run_simple_test+0x153/0x260()
> Modules linked in:
> Pid: 0, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad250>] ? kgdbts_break_test+0x0/0x30
>  [<c02adfb2>] ? check_and_rewind_pc+0xb2/0xe0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad5f3>] run_simple_test+0x153/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa36>] put_packet+0x86/0xe0
>  [<c014b650>] kgdb_handle_exception+0x2f0/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c01056ca>] die_nmi+0x3a/0x100
>  [<c0112697>] nmi_watchdog_tick+0x187/0x190
>  [<c0106067>] do_nmi+0x87/0x2a0
>  [<c04d5a73>] nmi_stack_correct+0x26/0x2b
>  [<c0109c02>] ? mwait_idle+0x32/0x40
>  [<c01026c5>] cpu_idle+0x55/0xf0
>  [<c04ae02e>] rest_init+0x4e/0x60
>  [<c069794f>] start_kernel+0x23f/0x2c0
>  [<c0697270>] ? unknown_bootoption+0x0/0x210
>  [<c0697077>] __init_begin+0x77/0xb0
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> KGDB: Waiting for remote debugger
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c01126b2>] ? touch_nmi_watchdog+0x12/0x60
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014b663>] kgdb_handle_exception+0x303/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014a9d2>] put_packet+0x22/0xe0
>  [<c014b650>] kgdb_handle_exception+0x2f0/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa16>] put_packet+0x66/0xe0
>  [<c014b650>] kgdb_handle_exception+0x2f0/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa26>] put_packet+0x76/0xe0
>  [<c014b650>] kgdb_handle_exception+0x2f0/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa36>] put_packet+0x86/0xe0
>  [<c014b650>] kgdb_handle_exception+0x2f0/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR GET: EOB on 'singlestep_breakpoint_test' at 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:681 run_simple_test+0x22d/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad6cd>] run_simple_test+0x22d/0x260
>  [<c02acea5>] kgdbts_get_char+0x15/0x20
>  [<c014aa4c>] put_packet+0x9c/0xe0
>  [<c014b650>] kgdb_handle_exception+0x2f0/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c01126b2>] ? touch_nmi_watchdog+0x12/0x60
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa6c>] put_packet+0xbc/0xe0
>  [<c014b650>] kgdb_handle_exception+0x2f0/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR GET: EOB on 'singlestep_breakpoint_test' at 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:681 run_simple_test+0x22d/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c01126b2>] ? touch_nmi_watchdog+0x12/0x60
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad6cd>] run_simple_test+0x22d/0x260
>  [<c014aa6c>] ? put_packet+0xbc/0xe0
>  [<c02acea5>] kgdbts_get_char+0x15/0x20
>  [<c014b560>] kgdb_handle_exception+0x200/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c01126b2>] ? touch_nmi_watchdog+0x12/0x60
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c01126b2>] ? touch_nmi_watchdog+0x12/0x60
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c014aa6c>] ? put_packet+0xbc/0xe0
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014b663>] kgdb_handle_exception+0x303/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c01126b2>] ? touch_nmi_watchdog+0x12/0x60
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014a9d2>] put_packet+0x22/0xe0
>  [<c014bd60>] kgdb_handle_exception+0xa00/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c01126b2>] ? touch_nmi_watchdog+0x12/0x60
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014a9ee>] put_packet+0x3e/0xe0
>  [<c014bd60>] kgdb_handle_exception+0xa00/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c01126b2>] ? touch_nmi_watchdog+0x12/0x60
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014a9ee>] put_packet+0x3e/0xe0
>  [<c014bd60>] kgdb_handle_exception+0xa00/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c01126b2>] ? touch_nmi_watchdog+0x12/0x60
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa16>] put_packet+0x66/0xe0
>  [<c014bd60>] kgdb_handle_exception+0xa00/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c01126b2>] ? touch_nmi_watchdog+0x12/0x60
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa26>] put_packet+0x76/0xe0
>  [<c014bd60>] kgdb_handle_exception+0xa00/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c01126b2>] ? touch_nmi_watchdog+0x12/0x60
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa36>] put_packet+0x86/0xe0
>  [<c014bd60>] kgdb_handle_exception+0xa00/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR GET: EOB on 'singlestep_breakpoint_test' at 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:681 run_simple_test+0x22d/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c01126b2>] ? touch_nmi_watchdog+0x12/0x60
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad6cd>] run_simple_test+0x22d/0x260
>  [<c02acea5>] kgdbts_get_char+0x15/0x20
>  [<c014aa4c>] put_packet+0x9c/0xe0
>  [<c014bd60>] kgdb_handle_exception+0xa00/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c01126b2>] ? touch_nmi_watchdog+0x12/0x60
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014aa6c>] put_packet+0xbc/0xe0
>  [<c014bd60>] kgdb_handle_exception+0xa00/0xd90
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c38c>] ? __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105514>] do_int3+0x34/0x70
>  [<c04d5b63>] int3+0x27/0x2c
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c02ad251>] ? kgdbts_break_test+0x1/0x30
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c06b8313>] init_kgdbts+0x13/0x20
>  [<c0101120>] do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> BUG: unable to handle kernel NULL pointer dereference at 0000044c
> IP: [<c059875e>]
> *pdpt = 00000000006e7001 *pde = 0000000000000000
> Oops: 0000 [#1] SMP
> KGDB: Waiting for remote debugger
> kgdbts: ERROR GET: EOB on 'singlestep_breakpoint_test' at 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:681 run_simple_test+0x22d/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c013c3ba>] ? atomic_notifier_call_chain+0x1a/0x20
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad6cd>] run_simple_test+0x22d/0x260
>  [<c02acea5>] kgdbts_get_char+0x15/0x20
>  [<c014b560>] kgdb_handle_exception+0x200/0xd90
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105118>] __die+0x78/0xf0
>  [<c01051cb>] die+0x3b/0x70
>  [<c0116aa4>] do_page_fault+0x264/0x7f0
>  [<c012a6ec>] ? __do_softirq+0xcc/0xf0
>  [<c012aabb>] ? irq_exit+0x3b/0x50
>  [<c0116840>] ? do_page_fault+0x0/0x7f0
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c04d59ca>] error_code+0x72/0x78
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c06b8313>] ? init_kgdbts+0x13/0x20
>  [<c0101120>] ? do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] ? kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] ? kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c01126b2>] ? touch_nmi_watchdog+0x12/0x60
>  [<c02ad0af>] ? fill_get_buf+0xbf/0xf0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014b663>] kgdb_handle_exception+0x303/0xd90
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105118>] __die+0x78/0xf0
>  [<c01051cb>] die+0x3b/0x70
>  [<c0116aa4>] do_page_fault+0x264/0x7f0
>  [<c012a6ec>] ? __do_softirq+0xcc/0xf0
>  [<c012aabb>] ? irq_exit+0x3b/0x50
>  [<c0116840>] ? do_page_fault+0x0/0x7f0
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c04d59ca>] error_code+0x72/0x78
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c06b8313>] ? init_kgdbts+0x13/0x20
>  [<c0101120>] ? do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] ? kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] ? kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014a9d2>] put_packet+0x22/0xe0
>  [<c014bd60>] kgdb_handle_exception+0xa00/0xd90
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105118>] __die+0x78/0xf0
>  [<c01051cb>] die+0x3b/0x70
>  [<c0116aa4>] do_page_fault+0x264/0x7f0
>  [<c012a6ec>] ? __do_softirq+0xcc/0xf0
>  [<c012aabb>] ? irq_exit+0x3b/0x50
>  [<c0116840>] ? do_page_fault+0x0/0x7f0
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c04d59ca>] error_code+0x72/0x78
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c06b8313>] ? init_kgdbts+0x13/0x20
>  [<c0101120>] ? do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] ? kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0x170
>  [<c01047cf>] ? kernel_thread_helper+0x7/0x18
>  =======================
> ---[ end trace 7151dc3b5234c3c1 ]---
> kgdbts: ERROR: beyond end of test on 'singlestep_breakpoint_test' line 13
> ------------[ cut here ]------------
> WARNING: at drivers/misc/kgdbts.c:696 run_simple_test+0xb3/0x260()
> Modules linked in:
> Pid: 1, comm: swapper Tainted: G        W 2.6.27-rc6 #16
>  [<c0125d04>] warn_on_slowpath+0x54/0x70
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c013c15b>] ? up+0x2b/0x40
>  [<c0126634>] ? release_console_sem+0x1a4/0x1c0
>  [<c0126bab>] ? printk+0x1b/0x20
>  [<c02ad553>] run_simple_test+0xb3/0x260
>  [<c02acec4>] kgdbts_put_char+0x14/0x20
>  [<c014a9ee>] put_packet+0x3e/0xe0
>  [<c014bd60>] kgdb_handle_exception+0xa00/0xd90
>  [<c01260f0>] ? __call_console_drivers+0x60/0x70
>  [<c0114cc8>] kgdb_notify+0x58/0x180
>  [<c013c33d>] notifier_call_chain+0x2d/0x60
>  [<c013c38c>] __atomic_notifier_call_chain+0x1c/0x30
>  [<c013c3ba>] atomic_notifier_call_chain+0x1a/0x20
>  [<c013c44d>] notify_die+0x2d/0x30
>  [<c0105118>] __die+0x78/0xf0
>  [<c01051cb>] die+0x3b/0x70
>  [<c0116aa4>] do_page_fault+0x264/0x7f0
>  [<c012a6ec>] ? __do_softirq+0xcc/0xf0
>  [<c012aabb>] ? irq_exit+0x3b/0x50
>  [<c0116840>] ? do_page_fault+0x0/0x7f0
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c04d59ca>] error_code+0x72/0x78
>  [<c02adb28>] ? configure_kgdbts+0x208/0x4d0
>  [<c011007b>] ? msr_seek+0xb/0x80
>  [<c06b8313>] ? init_kgdbts+0x13/0x20
>  [<c0101120>] ? do_one_initcall+0x30/0x160
>  [<c06b8300>] ? init_kgdbts+0x0/0x20
>  [<c014e793>] ? register_irq_proc+0xb3/0xd0
>  [<c069768d>] ? kernel_init+0x10d/0x170
>  [<c0697580>] ? kernel_init+0x0/0