linux-kernel - Re: Linux 2.6.21-rc6

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Message-ID: <46175AE3.9000701@googlemail.com>
Date:	Sat, 07 Apr 2007 10:48:35 +0200
From:	Michal Piotrowski <michal.k.k.piotrowski@...il.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>, Jens Axboe <jens.axboe@...cle.com>
Subject: Re: Linux 2.6.21-rc6

Hi all,

This looks like a lockdep problem.
2.6.21-rc6
+ hrtimers_debug.patch (from Ingo)
- skge_wol_support (commit a504e64ab42bcc27074ea37405d06833ed6e0820) dropped due to
swsusp problems

[14016.726946] BUG: at /mnt/md0/devel/linux-git/kernel/lockdep.c:2427 check_flags()
[14016.734331]  [<c0105039>] show_trace_log_lvl+0x1a/0x2f
[14016.739507]  [<c0105720>] show_trace+0x12/0x14
[14016.743982]  [<c01057d2>] dump_stack+0x16/0x18
[14016.748460]  [<c013b57f>] check_flags+0x95/0x143
[14016.753106]  [<c013e334>] lock_acquire+0x29/0x82
[14016.757741]  [<c01369dc>] down_write+0x3a/0x54
[14016.762203]  [<c0163be2>] sys_munmap+0x23/0x3f
[14016.766661]  [<c0104060>] syscall_call+0x7/0xb
[14016.771134]  =======================
[14016.774712] irq event stamp: 43076
[14016.778111] hardirqs last  enabled at (43075): [<c0104189>] syscall_exit_work+0x11/0x26
[14016.786166] hardirqs last disabled at (43076): [<c0103f09>] ret_from_exception+0x9/0xc
[14016.794118] softirqs last  enabled at (42608): [<c012653b>] __do_softirq+0xe4/0xea
[14016.801706] softirqs last disabled at (42599): [<c01069b5>] do_softirq+0x64/0xd1

http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc6/git-console.log
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc6/git-config

BTW. I noticed some strange fio (1.15) behavior
Starting 16 processes
file:io_u.c:65, assert idx < f->num_maps failed[  1605/ 36442 kb/s] [eta 00m:32s]
fio: pid=13734, got signal=11
file:io_u.c:65, assert idx < f->num_maps failed[ 10452/     0 kb/s] [eta 00m:23s]
fio: pid=13731, got signal=11

Regards,
Michal

-- 
Michal K. K. Piotrowski
LTG - Linux Testers Group (PL)
(http://www.stardust.webpages.pl/ltg/)
LTG - Linux Testers Group (EN)
(http://www.stardust.webpages.pl/linux_testers_group_en/)
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