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Re: 2.6.24-rc8-mm1 (BUG: sched_rt)

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From: Randy Dunlap <randy.dunlap@...>
To: Andrew Morton <akpm@...>
Cc: <linux-kernel@...>, <mingo@...>
Subject: Re: 2.6.24-rc8-mm1 (BUG: sched_rt)
Date: Thursday, January 17, 2008 - 12:48 pm

On Thu, 17 Jan 2008 02:35:14 -0800 Andrew Morton wrote:


Booting on x86_64 SMP gives me:

------------[ cut here ]------------
kernel BUG at kernel/sched_rt.c:228!
invalid opcode: 0000 [1] SMP
last sysfs file: /sys/devices/pci0000:40/0000:40:0c.0/0000:41:00.0/0000:42:08.0/class
CPU 2
Modules linked in: parport_pc lp parport tg3 cciss ehci_hcd ohci_hcd uhci_hcd
Pid: 12738, comm: 5-1.test Not tainted 2.6.24-rc8-mm1 #1
RIP: 0010:[<ffffffff8023077b>]  [<ffffffff8023077b>] update_curr_rt+0x27/0x87
RSP: 0018:ffff8101e6805e38  EFLAGS: 00010093
RAX: 0000000000000000 RBX: ffff81027f8591e0 RCX: ffff81000100fb80
RDX: 0000000000000000 RSI: ffff81026eb8b1e0 RDI: ffff810001014980
RBP: ffff8101e6805e48 R08: ffffffff8067d960 R09: 00000000000031c1
R10: 0000000000000000 R11: 0000000000000246 R12: ffff81026eb8b1e0
R13: ffff810001014980 R14: 0000000000000001 R15: 00000000ffffffff
FS:  0000000041a07940(0063) GS:ffff81027f80d700(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 000000338b00c2d0 CR3: 0000000254169000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process 5-1.test (pid: 12738, threadinfo ffff8101e6804000, task ffff81026c8de8f0)
Stack:  0000000000000000 ffff81026eb8b348 ffff8101e6805e78 ffffffff80231c9b
 0000000000000000 ffff81026eb8b1e0 ffff810001014980 ffff81026eb8b1e0
 ffff8101e6805e98 ffffffff8022f1bb ffff8101e6805ea8 ffff810001014980
Call Trace:
 [<ffffffff80231c9b>] dequeue_task_rt+0x1f/0x5e
 [<ffffffff8022f1bb>] dequeue_task+0x13/0x1e
 [<ffffffff8022f1e8>] deactivate_task+0x22/0x2a
 [<ffffffff802343f9>] sched_setscheduler+0x22e/0x32f
 [<ffffffff8023486a>] do_sched_setscheduler+0x5f/0x6e
 [<ffffffff802348a0>] sys_sched_setscheduler+0x14/0x18
 [<ffffffff8020c0f9>] tracesys+0xdc/0xe1


Code: 48 89 c8 c3 55 48 89 e5 53 48 83 ec 08 48 8b 9f a8 07 00 00 8b 83 b0 01 00 00 48 8b 8b 98 01 00 00 83 f8 01 74 09 83 f8 02 74 04 <0f> 0b eb fe 48 8b 97 c8 07 00 00 48 2b 53 68 b8 00 00 00 00 48
RIP  [<ffffffff8023077b>] update_curr_rt+0x27/0x87
 RSP <ffff8101e6805e38>
---[ end trace 792ff0e66da42f45 ]---


.config attached.

---
~Randy
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Messages in current thread:
2.6.24-rc8-mm1, Andrew Morton, (Thu Jan 17, 6:35 am)
Re: 2.6.24-rc8-mm1, Torsten Kaiser, (Fri Jan 25, 5:59 pm)
Re: 2.6.24-rc8-mm1: old sparc64 bug, Mariusz Kozlowski, (Thu Jan 24, 8:04 pm)
Re: 2.6.24-rc8-mm1: old sparc64 bug, Takashi Iwai, (Fri Jan 25, 1:11 pm)
Re: 2.6.24-rc8-mm1: old sparc64 bug, Mariusz Kozlowski, (Fri Jan 25, 2:34 pm)
Re: 2.6.24-rc8-mm1: old sparc64 bug, Takashi Iwai, (Mon Jan 28, 7:55 am)
Re: 2.6.24-rc8-mm1: old sparc64 bug, Mariusz Kozlowski, (Mon Jan 28, 6:13 pm)
Re: 2.6.24-rc8-mm1 Badness at net/ipv4/tcp_input.c:2506, Kamalesh Babulal, (Thu Jan 24, 2:44 am)
Re: 2.6.24-rc8-mm1 Kernel oops on CIFS while running fsstress, Kamalesh Babulal, (Thu Jan 24, 2:09 am)
Re: 2.6.24-rc8-mm1: sparc64 warning at fs/file_table.c:49 __..., Mariusz Kozlowski, (Tue Jan 22, 4:30 pm)
Re: 2.6.24-rc8-mm1: sparc64 warning at fs/file_table.c:49 __..., Andrew Morton, (Tue Jan 22, 5:02 pm)
Re: 2.6.24-rc8-mm1: sparc64 warning at fs/file_table.c:49 __..., Dave Hansen, (Tue Jan 22, 7:13 pm)
Re: 2.6.24-rc8-mm1: sparc64 warning at fs/file_table.c:49 __..., Andrew Morton, (Fri Feb 1, 7:34 pm)
Re: 2.6.24-rc8-mm1: sparc64 warning at fs/file_table.c:49 __..., Christoph Hellwig, (Wed Jan 23, 1:47 am)
Re: 2.6.24-rc8-mm1: sparc64 warning at fs/file_table.c:49 __..., Dave Hansen, (Tue Jan 22, 6:28 pm)
[PATCH} 2.6.24-rc8-mm1 - x86_64 PAT issues with vesafb and N..., , (Mon Jan 21, 2:53 pm)
Re: 2.6.24-rc8-mm1 - SELinux issues, , (Mon Jan 21, 2:31 pm)
Re: 2.6.24-rc8-mm1, Mel Gorman, (Sun Jan 20, 12:31 pm)
Re: 2.6.24-rc8-mm1, Balbir Singh, (Sun Jan 20, 12:35 pm)
Re: 2.6.24-rc8-mm1, Mel Gorman, (Sun Jan 20, 2:24 pm)
Re: 2.6.24-rc8-mm1: WARN_ON() in clockevents_register_device..., Rafael J. Wysocki, (Sat Jan 19, 9:10 pm)
Re: 2.6.24-rc8-mm1: WARN_ON() in clockevents_register_device..., Ingo Molnar, (Sun Jan 20, 6:24 am)
Re: 2.6.24-rc8-mm1: WARN_ON() in clockevents_register_device..., Rafael J. Wysocki, (Sun Jan 20, 7:21 am)
Re: 2.6.24-rc8-mm1, Kyle McMartin, (Fri Jan 18, 2:06 pm)
Re: 2.6.24-rc8-mm1 (KVM build issues), Balbir Singh, (Fri Jan 18, 1:26 pm)
Re: 2.6.24-rc8-mm1 (KVM build issues), Andrew Morton, (Tue Jan 22, 4:40 am)
Re: 2.6.24-rc8-mm1: broken suspend (due to git-cpufreq.patch), Rafael J. Wysocki, (Fri Jan 18, 9:34 am)
Re: 2.6.24-rc8-mm1: broken suspend (due to git-cpufreq.patch), Dave Jones, (Fri Jan 18, 1:10 pm)
Re: 2.6.24-rc8-mm1: broken suspend (due to git-cpufreq.patch), Rafael J. Wysocki, (Fri Jan 18, 4:50 pm)
Re: 2.6.24-rc8-mm1: broken suspend (due to git-cpufreq.patch), Rafael J. Wysocki, (Fri Jan 18, 5:55 pm)
Re: 2.6.24-rc8-mm1: broken suspend (due to git-cpufreq.patch), Dave Jones, (Fri Jan 18, 12:53 pm)
Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench, Kamalesh Babulal, (Fri Jan 18, 4:36 am)
Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench, Andrew Morton, (Fri Jan 18, 4:44 am)
Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench, Paul Mackerras, (Fri Jan 18, 5:01 am)
Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench, Kamalesh Babulal, (Fri Jan 18, 5:34 am)
Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench, Paul Mackerras, (Fri Jan 18, 6:26 am)
Re: 2.6.24 Kernel oops will running kernbench regression fro..., Kamalesh Babulal, (Fri Jan 25, 2:05 am)
Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench, Kamalesh Babulal, (Fri Jan 18, 6:44 am)
Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench, Balbir Singh, (Fri Jan 18, 6:54 am)
Re: 2.6.24-rc8-mm1 Kernel oops will running kernbench, Paul Mackerras, (Fri Jan 18, 6:19 am)
Re: 2.6.24-rc8-mm1 build failure on headers_check, Kamalesh Babulal, (Fri Jan 18, 3:09 am)
Re: 2.6.24-rc8-mm1 build failure on headers_check, Andrew Morton, (Fri Jan 18, 3:38 am)
Re: 2.6.24-rc8-mm1 Build Failure at scripts/mkubooting/crc32.c, Kamalesh Babulal, (Fri Jan 18, 2:14 am)
Re: 2.6.24-rc8-mm1 Build Failure at scripts/mkubooting/crc32.c, Mel Gorman, (Sun Jan 20, 11:30 am)
Re: 2.6.24-rc8-mm1 Build Failure at scripts/mkubooting/crc32.c, Sam Ravnborg, (Fri Jan 18, 4:06 am)
Re: 2.6.24-rc8-mm1 - mkubootimg wants &lt;zlib.h&gt;, Joseph Fannin, (Thu Jan 17, 5:29 pm)
Re: 2.6.24-rc8-mm1 - mkubootimg wants &lt;zlib.h&gt;, Josh Boyer, (Thu Jan 17, 6:21 pm)
Re: 2.6.24-rc8-mm1: powerpc oopses, Mariusz Kozlowski, (Thu Jan 17, 6:15 pm)
Re: 2.6.24-rc8-mm1: powerpc oopses, Andrew Morton, (Thu Jan 17, 6:51 pm)
Re: 2.6.24-rc8-mm1: powerpc oopses, Matt Mackall, (Thu Jan 17, 7:39 pm)
Re: 2.6.24-rc8-mm1: powerpc oopses, Andrew Morton, (Thu Jan 17, 8:05 pm)
Re: 2.6.24-rc8-mm1: powerpc oopses, Matt Mackall, (Thu Jan 17, 8:12 pm)
Re: 2.6.24-rc8-mm1: powerpc oopses, Andrew Morton, (Thu Jan 17, 8:29 pm)
Re: 2.6.24-rc8-mm1: powerpc oopses, Matt Mackall, (Thu Jan 17, 8:47 pm)
Re: 2.6.24-rc8-mm1: powerpc oopses, Mariusz Kozlowski, (Fri Jan 18, 1:23 pm)
Re: 2.6.24-rc8-mm1: powerpc oopses, Matt Mackall, (Fri Jan 18, 1:33 pm)
Re: 2.6.24-rc8-mm1: powerpc oopses, Andrew Morton, (Thu Jan 17, 9:07 pm)
Re: 2.6.24-rc8-mm1: powerpc oopses, Matt Mackall, (Thu Jan 17, 9:16 pm)
Re: 2.6.24-rc8-mm1, Matt Mackall, (Thu Jan 17, 5:10 pm)
Re: 2.6.24-rc8-mm1, Matt Mackall, (Thu Jan 17, 9:29 pm)
Re: 2.6.24-rc8-mm1, Andrew Morton, (Fri Jan 18, 1:08 am)
Re: 2.6.24-rc8-mm1, Matt Mackall, (Fri Jan 18, 9:55 am)
Re: 2.6.24-rc8-mm1 powerpc build errors, Olof Johansson, (Thu Jan 17, 3:06 pm)
Re: 2.6.24-rc8-mm1 powerpc build errors, Andrew Morton, (Thu Jan 17, 3:35 pm)
Re: 2.6.24-rc8-mm1 powerpc build errors, Greg KH, (Thu Jan 17, 6:00 pm)
Re: 2.6.24-rc8-mm1: powerpc: include/asm/nvram.h:62: error: ..., Mariusz Kozlowski, (Thu Jan 17, 2:18 pm)
Re: 2.6.24-rc8-mm1: powerpc: include/asm/nvram.h:62: error: ..., Andrew Morton, (Thu Jan 17, 3:27 pm)
Re: 2.6.24-rc8-mm1: broken suspend, Rafael J. Wysocki, (Thu Jan 17, 2:13 pm)
x86 refuses to build [Re: 2.6.24-rc8-mm1], Dhaval Giani, (Thu Jan 17, 1:28 pm)
Re: x86 refuses to build [Re: 2.6.24-rc8-mm1], Dhaval Giani, (Thu Jan 17, 2:44 pm)
Re: x86 refuses to build [Re: 2.6.24-rc8-mm1], Ingo Molnar, (Fri Jan 18, 4:59 am)
Re: x86 refuses to build [Re: 2.6.24-rc8-mm1], Mike Travis, (Fri Jan 18, 12:16 pm)
Re: 2.6.24-rc8-mm1 (BUG: sched_rt), Randy Dunlap, (Thu Jan 17, 12:48 pm)
Re: 2.6.24-rc8-mm1 (BUG: sched_rt), Peter Zijlstra, (Thu Jan 17, 1:15 pm)
Re: 2.6.24-rc8-mm1 (BUG: sched_rt), Peter Zijlstra, (Thu Jan 17, 1:11 pm)
Re: 2.6.24-rc8-mm1 (BUG: sched_rt), Randy Dunlap, (Thu Jan 17, 3:14 pm)
Re: 2.6.24-rc8-mm1 (BUG: sched_rt), Andrew Morton, (Thu Jan 17, 3:38 pm)
Re: 2.6.24-rc8-mm1 (BUG: sched_rt), Randy Dunlap, (Thu Jan 17, 2:05 pm)
Re: 2.6.24-rc8-mm1 Build Failure on scsi driver, Kamalesh Babulal, (Thu Jan 17, 12:15 pm)
Re: 2.6.24-rc8-mm1 Build Failure on scsi driver, Andrew Morton, (Thu Jan 17, 3:11 pm)
Re: 2.6.24-rc8-mm1 Build Failure on scsi driver, Kamalesh Babulal, (Fri Jan 18, 2:37 am)
Re: 2.6.24-rc8-mm1 Build Failure on scsi driver, Andrew Morton, (Fri Jan 18, 3:27 am)
[PATCH] SCSI: fix isa/pcmcia compile problem, Tejun Heo, (Fri Jan 18, 3:20 am)
Re: [PATCH] SCSI: fix isa/pcmcia compile problem, Christoph Hellwig, (Mon Jan 21, 5:56 am)
Re: [PATCH] SCSI: fix isa/pcmcia compile problem, James Bottomley, (Mon Jan 21, 10:59 am)
Re: [PATCH] SCSI: fix isa/pcmcia compile problem, James Bottomley, (Fri Jan 18, 10:58 am)
Re: [PATCH] SCSI: fix isa/pcmcia compile problem, Tejun Heo, (Fri Jan 18, 7:27 pm)
Re: [PATCH] SCSI: fix isa/pcmcia compile problem, James Bottomley, (Fri Jan 18, 7:32 pm)
Re: [PATCH] SCSI: fix isa/pcmcia compile problem, James Bottomley, (Fri Jan 18, 7:47 pm)
Re: [PATCH] SCSI: fix isa/pcmcia compile problem, Tejun Heo, (Fri Jan 18, 7:54 pm)
Re: [PATCH] SCSI: fix isa/pcmcia compile problem, Tejun Heo, (Fri Jan 18, 7:46 pm)
Re: [PATCH] SCSI: fix isa/pcmcia compile problem, Tejun Heo, (Fri Jan 18, 7:28 pm)
Re: [PATCH] SCSI: fix isa/pcmcia compile problem, Kamalesh Babulal, (Fri Jan 18, 3:30 am)
[PATCH] aha152x: fix isa/pcmcia compile problem, Tejun Heo, (Thu Jan 17, 8:53 pm)
Re: [PATCH] aha152x: fix isa/pcmcia compile problem, Kamalesh Babulal, (Fri Jan 18, 2:29 am)
do_md_run returned -22 [Was: 2.6.24-rc8-mm1], Jiri Slaby, (Thu Jan 17, 11:23 am)
Re: do_md_run returned -22 [Was: 2.6.24-rc8-mm1], Andrew Morton, (Thu Jan 17, 3:01 pm)
[-mm Patch] uml: fix a building error, WANG Cong, (Thu Jan 17, 9:56 am)
Re: [-mm Patch] uml: fix a building error, Mariusz Kozlowski, (Thu Jan 17, 2:11 pm)
Re: [-mm Patch] uml: fix a building error, Jeff Dike, (Thu Jan 17, 2:56 pm)
Re: [-mm Patch] uml: fix a building error, Andrew Morton, (Thu Jan 17, 2:56 pm)
RE: [-mm Patch] uml: fix a building error, Pallipadi, Venkatesh, (Thu Jan 17, 3:38 pm)
Re: [-mm Patch] uml: fix a building error, Jeff Dike, (Thu Jan 17, 5:14 pm)
Re: [-mm Patch] uml: fix a building error, Venki Pallipadi, (Thu Jan 17, 5:41 pm)
Re: [-mm Patch] uml: fix a building error, Jeff Dike, (Thu Jan 17, 7:08 pm)
RE: [-mm Patch] uml: fix a building error, Pallipadi, Venkatesh, (Thu Jan 17, 7:17 pm)
Re: [-mm Patch] uml: fix a building error, Jeff Dike, (Thu Jan 17, 10:19 pm)
Re: [-mm Patch] uml: fix a building error, Mariusz Kozlowski, (Thu Jan 17, 4:42 pm)
Re: [-mm Patch] uml: fix a building error, Andrew Morton, (Thu Jan 17, 3:44 pm)
Re: [-mm Patch] uml: fix a building error, Jeff Dike, (Thu Jan 17, 1:59 pm)
Re: 2.6.24-rc8-mm1 kernel panic while bootup, Kamalesh Babulal, (Thu Jan 17, 9:54 am)
Re: 2.6.24-rc8-mm1 kernel panic while bootup, Andrew Morton, (Thu Jan 17, 2:54 pm)
Re: 2.6.24-rc8-mm1 kernel panic while bootup, Kamalesh Babulal, (Sun Jan 20, 2:24 am)
Re: 2.6.24-rc8-mm1 kernel panic while bootup, Andrew Morton, (Sun Jan 20, 3:17 am)
Re: 2.6.24-rc8-mm1 kernel panic while bootup, Randy Dunlap, (Thu Jan 17, 3:00 pm)
Re: 2.6.24-rc8-mm1, Kamalesh Babulal, (Thu Jan 17, 9:34 am)
Re: 2.6.24-rc8-mm1, Ingo Molnar, (Thu Jan 17, 10:26 am)
[-mm Patch] UML: fix a building error, WANG Cong, (Thu Jan 17, 9:21 am)
Re: [-mm Patch] UML: fix a building error, Jeff Dike, (Thu Jan 17, 1:59 pm)
Re: 2.6.24-rc8-mm1, Balbir Singh, (Thu Jan 17, 8:46 am)
Re: 2.6.24-rc8-mm1, Andrew Morton, (Thu Jan 17, 2:40 pm)
Re: 2.6.24-rc8-mm1, Balbir Singh, (Thu Jan 17, 4:25 pm)
RE: 2.6.24-rc8-mm1, Pallipadi, Venkatesh, (Thu Jan 17, 3:22 pm)
Re: 2.6.24-rc8-mm1, Balbir Singh, (Thu Jan 17, 7:04 pm)
Re: 2.6.24-rc8-mm1, Siddha, Suresh B, (Thu Jan 17, 9:42 pm)
Re: 2.6.24-rc8-mm1, Balbir Singh, (Fri Jan 18, 1:06 am)
Re: 2.6.24-rc8-mm1, Andrew Morton, (Thu Jan 17, 3:40 pm)
Re: 2.6.24-rc8-mm1, Venki Pallipadi, (Thu Jan 17, 7:33 pm)
RE: [E1000-devel] 2.6.24-rc8-mm1, Brandeburg, Jesse, (Thu Jan 17, 3:47 pm)
Re: 2.6.24-rc8-mm1 Build Failure on S390x, Kamalesh Babulal, (Thu Jan 17, 8:41 am)
Re: 2.6.24-rc8-mm1 Build Failure on S390x, Martin Schwidefsky, (Thu Jan 17, 10:05 am)