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[BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc

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From: Kamalesh Babulal <kamalesh@...>
To: Linux Kernel Mailing List <linux-kernel@...>
Cc: <linuxppc-dev@...>, Ingo Molnar <mingo@...>, Jens Axboe <jens.axboe@...>, Srivatsa Vaddagiri <vatsa@...>, Dhaval Giani <dhaval@...>, Andy Whitcroft <apw@...>, Balbir Singh <balbir@...>
Subject: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc
Date: Saturday, February 16, 2008 - 2:10 am

Hi,

The softlockup is seen from 2.6.25-rc1-git{1,3} and is visible in the 2.6.24-rc2 kernel,
While booting up with the 2.6.25-rc1-git{1,3} and 2.6.25-rc2 kernel(s) on the powerbox

Loading st.ko module
BUG: soft lockup - CPU#1 stuck for 61s! [insmod:379]
NIP: c0000000001b0620 LR: c0000000001a5dcc CTR: 0000000000000040
REGS: c00000077caab8a0 TRAP: 0901   Not tainted  (2.6.25-rc2-autotest)
MSR: 8000000000009032 <EE,ME,IR,DR>  CR: 84004088  XER: 20000000
TASK = c00000077cb450a0[379] 'insmod' THREAD: c00000077caa8000 CPU: 1
GPR00: c00000077c9d4000 c00000077caabb20 c000000000538a40 000000000000000b 
GPR04: ffc0000000000000 c00000077e0c0000 0000000000000036 000000000000000a 
GPR08: 0040000000000000 c00000077c9d4250 c000000000000000 0000000000000000 
GPR12: c00000077c9d4230 c000000000481d00 
NIP [c0000000001b0620] .radix_tree_gang_lookup+0x100/0x1e4
LR [c0000000001a5dcc] .call_for_each_cic+0x50/0x10c
Call Trace:
[c00000077caabb20] [c0000000001a5e2c] .call_for_each_cic+0xb0/0x10c (unreliable)
[c00000077caabc60] [c00000000019dba4] .exit_io_context+0xf0/0x110
[c00000077caabcf0] [c000000000061e38] .do_exit+0x820/0x850
[c00000077caabda0] [c000000000061f34] .do_group_exit+0xcc/0xe8
[c00000077caabe30] [c00000000000872c] syscall_exit+0x0/0x40
Instruction dump:
7d296214 39290018 e8090000 7caa2038 39290008 2fa00000 409e0018 7caa4215 
396b0001 418200cc 424000b8 4bffffdc <79691f24> 7d296214 e9690018 2fab0000 
INFO: task insmod:387 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
insmod        D 000000001000e144 12144   387      1
Call Trace:
[c00000077cb97600] [c0000000008fae80] 0xc0000000008fae80 (unreliable)
[c00000077cb977d0] [c000000000010c7c] .__switch_to+0x11c/0x154
[c00000077cb97860] [c000000000344498] .schedule+0x5d0/0x6b0
[c00000077cb97950] [c0000000003447d8] .schedule_timeout+0x3c/0xe8
[c00000077cb97a20] [c000000000343d34] .wait_for_common+0x150/0x22c
[c00000077cb97ae0] [c00000000008ef00] .__stop_machine_run+0xbc/0xf0
[c00000077cb97bb0] [c00000000008ef70] .stop_machine_run+0x3c/0x80
[c00000077cb97c50] [c0000000000891f0] .sys_init_module+0x14e4/0x1af4
[c00000077cb97e30] [c00000000000872c] syscall_exit+0x0/0x40
-- 0:conmux-control -- time-stamp -- Feb/15/08 16:04:12 --
INFO: task insmod:387 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
insmod        D 000000001000e144 12144   387      1
Call Trace:
[c00000077cb97600] [c0000000008fae80] 0xc0000000008fae80 (unreliable)
[c00000077cb977d0] [c000000000010c7c] .__switch_to+0x11c/0x154
[c00000077cb97860] [c000000000344498] .schedule+0x5d0/0x6b0
[c00000077cb97950] [c0000000003447d8] .schedule_timeout+0x3c/0xe8
[c00000077cb97a20] [c000000000343d34] .wait_for_common+0x150/0x22c
[c00000077cb97ae0] [c00000000008ef00] .__stop_machine_run+0xbc/0xf0
[c00000077cb97bb0] [c00000000008ef70] .stop_machine_run+0x3c/0x80
[c00000077cb97c50] [c0000000000891f0] .sys_init_module+0x14e4/0x1af4
[c00000077cb97e30] [c00000000000872c] syscall_exit+0x0/0x40
-- 0:conmux-control -- time-stamp -- Feb/15/08 16:06:21 --
-- 
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
--
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Messages in current thread:
Linux 2.6.25-rc2, Linus Torvalds, (Fri Feb 15, 5:23 pm)
Re: Linux 2.6.25-rc2, Torsten Kaiser, (Sat Feb 16, 5:38 pm)
Re: Linux 2.6.25-rc2, Ingo Molnar, (Tue Feb 19, 2:11 am)
Re: Linux 2.6.25-rc2, Torsten Kaiser, (Tue Feb 19, 2:54 am)
Re: Linux 2.6.25-rc2, Pekka Enberg, (Tue Feb 19, 3:21 am)
Re: Linux 2.6.25-rc2, Mathieu Desnoyers, (Tue Feb 19, 10:02 am)
Re: Linux 2.6.25-rc2, Torsten Kaiser, (Tue Feb 19, 2:39 pm)
Re: Linux 2.6.25-rc2, Eric Dumazet, (Tue Feb 19, 12:27 pm)
Re: Linux 2.6.25-rc2, Christoph Lameter, (Wed Feb 27, 7:32 pm)
Re: Linux 2.6.25-rc2, Mathieu Desnoyers, (Tue Feb 19, 4:03 pm)
Re: Linux 2.6.25-rc2, Christoph Lameter, (Wed Feb 27, 7:34 pm)
[PATCH] Implement slub fastpath in terms of freebase and fre..., Mathieu Desnoyers, (Thu Feb 28, 1:55 am)
Re: [PATCH] Implement slub fastpath in terms of freebase and..., Christoph Lameter, (Thu Feb 28, 3:08 pm)
Re: [PATCH] Implement slub fastpath in terms of freebase and..., Mathieu Desnoyers, (Thu Feb 28, 7:25 pm)
Re: [PATCH] Implement slub fastpath in terms of freebase and..., Christoph Lameter, (Thu Feb 28, 8:57 pm)
Re: [PATCH] Implement slub fastpath in terms of freebase and..., Mathieu Desnoyers, (Thu Feb 28, 9:56 pm)
Re: [PATCH] Implement slub fastpath in terms of freebase and..., Christoph Lameter, (Thu Feb 28, 10:12 pm)
Re: [PATCH] Implement slub fastpath in terms of freebase and..., Mathieu Desnoyers, (Thu Feb 28, 11:32 pm)
Re: [PATCH] Implement slub fastpath in terms of freebase and..., Christoph Lameter, (Fri Feb 29, 1:11 am)
[PATCH] Slub Freeoffset check overflow, Mathieu Desnoyers, (Fri Feb 29, 9:28 am)
[PATCH] Slub Freeoffset check overflow (updated), Mathieu Desnoyers, (Tue Mar 4, 2:17 am)
Re: [PATCH] Slub Freeoffset check overflow (updated), Christoph Lameter, (Tue Mar 4, 3:15 am)
Re: [PATCH] Implement slub fastpath in terms of freebase and..., Mathieu Desnoyers, (Fri Feb 29, 9:03 am)
Re: [PATCH] Implement slub fastpath in terms of freebase and..., Christoph Lameter, (Fri Feb 29, 3:57 pm)
Re: Linux 2.6.25-rc2, Linus Torvalds, (Tue Feb 19, 12:38 pm)
Re: Linux 2.6.25-rc2, Pekka Enberg, (Tue Feb 19, 10:21 am)
Re: Linux 2.6.25-rc2, Mathieu Desnoyers, (Tue Feb 19, 4:08 pm)
Re: Linux 2.6.25-rc2, Christoph Lameter, (Wed Feb 27, 7:32 pm)
Re: Linux 2.6.25-rc2, Andrew Morton, (Wed Feb 27, 9:57 pm)
Re: Linux 2.6.25-rc2, Jiri Kosina, (Thu Feb 28, 7:13 am)
Re: Linux 2.6.25-rc2, Ingo Molnar, (Thu Feb 28, 4:14 am)
Re: Linux 2.6.25-rc2, Alan Cox, (Thu Feb 28, 7:15 am)
Re: Linux 2.6.25-rc2, Christoph Lameter, (Wed Feb 27, 10:43 pm)
Re: Linux 2.6.25-rc2, Pekka Enberg, (Tue Feb 19, 10:38 am)
Re: Linux 2.6.25-rc2, Linus Torvalds, (Tue Feb 19, 12:20 pm)
Re: Linux 2.6.25-rc2, Torsten Kaiser, (Tue Feb 19, 3:27 pm)
Re: Linux 2.6.25-rc2, Ingo Molnar, (Tue Feb 19, 12:45 pm)
Re: Linux 2.6.25-rc2, Ingo Molnar, (Tue Feb 19, 12:48 pm)
Re: Linux 2.6.25-rc2, Ingo Molnar, (Tue Feb 19, 10:55 am)
Re: Linux 2.6.25-rc2, Pekka Enberg, (Tue Feb 19, 11:52 am)
Re: Linux 2.6.25-rc2, Zhang, Yanmin, (Tue Feb 19, 8:36 pm)
Re: Linux 2.6.25-rc2, Zhang, Yanmin, (Tue Feb 19, 10:08 pm)
Re: Linux 2.6.25-rc2, Zhang, Yanmin, (Wed Feb 20, 2:53 am)
Re: Linux 2.6.25-rc2, Pekka Enberg, (Wed Feb 20, 3:10 am)
Re: Linux 2.6.25-rc2, Ingo Molnar, (Tue Feb 19, 10:57 am)
Re: Linux 2.6.25-rc2, Pekka Enberg, (Tue Feb 19, 11:54 am)
Re: Linux 2.6.25-rc2, Ingo Molnar, (Tue Feb 19, 6:27 am)
Re: Linux 2.6.25-rc2, Mathieu Desnoyers, (Tue Feb 19, 9:02 am)
Re: Linux 2.6.25-rc2, Ingo Molnar, (Tue Feb 19, 10:00 am)
Re: Linux 2.6.25-rc2, Pekka Enberg, (Tue Feb 19, 6:45 am)
Re: Linux 2.6.25-rc2, Linus Torvalds, (Mon Feb 18, 7:54 pm)
Re: Linux 2.6.25-rc2, Torsten Kaiser, (Tue Feb 19, 2:44 am)
Re: Linux 2.6.25-rc2, Rafael J. Wysocki, (Sun Feb 17, 4:25 pm)
Re: Linux 2.6.25-rc2, Torsten Kaiser, (Sun Feb 17, 5:32 pm)
Linux 2.6.25-rc2 regression: LVM cannot find volume group, Tilman Schmidt, (Sat Feb 16, 3:14 pm)
Re: Linux 2.6.25-rc2 regression: LVM cannot find volume group, Alan Cox, (Sat Feb 16, 4:12 pm)
Re: Linux 2.6.25-rc2 regression: LVM cannot find volume group, Jiri Slaby, (Sat Feb 16, 6:37 pm)
Re: Linux 2.6.25-rc2 regression: LVM cannot find volume group, Alasdair G Kergon, (Mon Feb 18, 9:53 pm)
Re: Linux 2.6.25-rc2 regression: LVM cannot find volume group, Tilman Schmidt, (Tue Feb 19, 4:56 am)
Re: Linux 2.6.25-rc2 regression: LVM cannot find volume group, Tilman Schmidt, (Sun Feb 17, 8:57 pm)
Re: Linux 2.6.25-rc2 regression: LVM cannot find volume group, Jeff Chua, (Sun Feb 17, 9:22 pm)
Re: Linux 2.6.25-rc2 regression: LVM cannot find volume group, Tilman Schmidt, (Mon Feb 18, 6:35 am)
Re: Linux 2.6.25-rc2, Jan Engelhardt, (Sat Feb 16, 12:52 pm)
[BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 sof..., Kamalesh Babulal, (Sat Feb 16, 2:10 am)
Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1..., Rafael J. Wysocki, (Sun Feb 17, 4:08 pm)
Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1..., Jens Axboe, (Sun Feb 17, 3:29 pm)
Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1..., KAMEZAWA Hiroyuki, (Tue Feb 19, 4:04 am)
Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1..., Jens Axboe, (Tue Feb 19, 4:36 am)
Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1..., Andrew Morton, (Fri Feb 22, 3:24 am)
Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1..., Jens Axboe, (Fri Feb 22, 3:40 am)
Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1..., Kamalesh Babulal, (Tue Feb 19, 9:19 am)
Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1..., KAMEZAWA Hiroyuki, (Tue Feb 19, 5:02 am)
Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1..., Jens Axboe, (Tue Feb 19, 5:01 am)
Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1..., KAMEZAWA Hiroyuki, (Tue Feb 19, 4:47 am)
Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1..., Jens Axboe, (Tue Feb 19, 4:58 am)
Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1..., KAMEZAWA Hiroyuki, (Tue Feb 19, 5:07 am)
Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1..., Jens Axboe, (Tue Feb 19, 5:09 am)
[BUG] Linux 2.6.25-rc2 - Kernel Ooops while running dbench, Kamalesh Babulal, (Sat Feb 16, 1:44 am)
Re: [BUG] Linux 2.6.25-rc2 - Kernel Ooops while running dbench, Andrew Morton, (Mon Feb 18, 8:59 am)
Re: [BUG] Linux 2.6.25-rc2 - Kernel Ooops while running dbench, Pekka Enberg, (Mon Mar 3, 7:51 am)
Re: [BUG] Linux 2.6.25-rc2 - Kernel Ooops while running dbench, Kamalesh Babulal, (Tue Mar 4, 12:03 am)
Re: [BUG] Linux 2.6.25-rc2 - Kernel Ooops while running dbench, Jeff Garzik, (Mon Feb 18, 10:25 am)
Re: [BUG] Linux 2.6.25-rc2 - Kernel Ooops while running dbench, Frans Pop, (Mon Feb 18, 12:11 pm)
Re: Linux 2.6.25-rc2, Rafael J. Wysocki, (Fri Feb 15, 10:08 pm)

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