From: Simon Arlott <simon@fire.lp0.eu>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
netdev <netdev@vger.kernel.org>
Subject: Re: xfrm_policy_kill: inconsistent {softirq-on-W} -> {in-softirq-W} usage
Date: Mon, 03 Nov 2008 21:20:16 +0000 [thread overview]
Message-ID: <490F6B10.9070902@simon.arlott.org.uk> (raw)
In-Reply-To: <20081103205726.GA3589@x200.localdomain>
On 03/11/08 20:57, Alexey Dobriyan wrote:
> On Mon, Nov 03, 2008 at 05:59:36PM +0000, Simon Arlott wrote:
>> [163040.503328] =================================
>> [163040.504264] [ INFO: inconsistent lock state ]
>> [163040.504264] 2.6.28-rc2-git #19424-g083ead5
>> [163040.504264] ---------------------------------
>> [163040.504264] inconsistent {softirq-on-W} -> {in-softirq-W} usage.
>> [163040.504264] swapper/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
>> [163040.531914] (xfrm_policy_gc_lock){-+..}, at: [<7846bf3f>] xfrm_policy_kill+0x46/0x7e
>
> If it's easily reproducible, try this patch:
Unfortunately I don't know how to reproduce it and I won't reboot that system
to apply a patch. I've checked my logs and can find only one other instance
of that message, from 5 months ago:
12 00:56:17 [461680.399422] =================================
12 00:56:17 [461680.405467] [ INFO: inconsistent lock state ]
12 00:56:17 [461680.409910] 2.6.23.9-git #44
12 00:56:17 [461680.412876] ---------------------------------
12 00:56:17 [461680.417315] inconsistent {softirq-on-W} -> {in-softirq-W} usage.
12 00:56:17 [461680.423403] swapper/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
12 00:56:17 [461680.428450] (xfrm_policy_gc_lock){-+..}, at: [<803355f6>] xfrm_policy_kill+0x63/0x9e
12 00:56:17 [461680.436442] {softirq-on-W} state was registered at:
12 00:56:17 [461680.441401] [<80131712>] __lock_acquire+0x471/0xb96
12 00:56:18 [461680.446591] [<80132200>] lock_acquire+0x5d/0x75
12 00:56:18 [461680.451431] [<8038b2e7>] _spin_lock+0x35/0x42
12 00:56:18 [461680.456098] [<803355f6>] xfrm_policy_kill+0x63/0x9e
12 00:56:18 [461680.461287] [<8033570b>] xfrm_policy_delete+0x43/0x49
12 00:56:18 [461680.466648] [<802c0ef7>] sk_common_release+0x61/0x9e
12 00:56:18 [461680.471925] [<80310328>] udp_lib_close+0x8/0xa
12 00:56:18 [461680.476677] [<8031709d>] inet_release+0x42/0x48
12 00:56:18 [461680.481519] [<802bf269>] sock_release+0x17/0x80
12 00:56:18 [461680.486453] [<802bf726>] sock_close+0x2d/0x33
12 00:56:18 [461680.491119] [<80158838>] __fput+0xb9/0x185
12 00:56:18 [461680.495527] [<8015891a>] fput+0x16/0x18
12 00:56:18 [461680.499668] [<801561d3>] filp_close+0x54/0x5c
12 00:56:18 [461680.504341] [<80157334>] sys_close+0x6e/0xa6
12 00:56:18 [461680.508916] [<80102702>] sysenter_past_esp+0x5f/0x99
12 00:56:18 [461680.514189] [<ffffffff>] 0xffffffff
12 00:56:18 [461680.517995] irq event stamp: 2352088264
12 00:56:18 [461680.521915] hardirqs last enabled at (2352088264): [<8011c626>] local_bh_enable_ip+0xc5/0xe1
12 00:56:18 [461680.530552] hardirqs last disabled at (2352088263): [<8011c5bf>] local_bh_enable_ip+0x5e/0xe1
12 00:56:18 [461680.539205] softirqs last enabled at (2352088198): [<8011c07e>] __do_softirq+0xa3/0xa8
12 00:56:18 [461680.547318] softirqs last disabled at (2352088207): [<8011c0b2>] do_softirq+0x2f/0x47
12 00:56:18 [461680.555262]
12 00:56:18 [461680.555263] other info that might help us debug this:
12 00:56:18 [461680.562055] no locks held by swapper/0.
12 00:56:18 [461680.565975]
12 00:56:18 [461680.565977] stack backtrace:
12 00:56:18 [461680.570523] [<80103694>] show_trace_log_lvl+0x1a/0x2f
12 00:56:18 [461680.575762] [<8010421b>] show_trace+0x12/0x14
12 00:56:18 [461680.580308] [<80104232>] dump_stack+0x15/0x17
12 00:56:18 [461680.584853] [<801302fc>] print_usage_bug+0x143/0x14d
12 00:56:18 [461680.590005] [<8013093a>] mark_lock+0x125/0x44f
12 00:56:18 [461680.594637] [<801316a0>] __lock_acquire+0x3ff/0xb96
12 00:56:18 [461680.599702] [<80132200>] lock_acquire+0x5d/0x75
12 00:56:18 [461680.604421] [<8038b2e7>] _spin_lock+0x35/0x42
12 00:56:18 [461680.608962] [<803355f6>] xfrm_policy_kill+0x63/0x9e
12 00:56:18 [461680.614027] [<8033570b>] xfrm_policy_delete+0x43/0x49
12 00:56:18 [461680.619267] [<80336c54>] xfrm_policy_timer+0x199/0x1cc
12 00:56:18 [461680.624590] [<8011f1bd>] run_timer_softirq+0xf1/0x14e
12 00:56:18 [461680.629828] [<8011c02c>] __do_softirq+0x51/0xa8
12 00:56:18 [461680.634548] [<8011c0b2>] do_softirq+0x2f/0x47
12 00:56:18 [461680.639093] [<8011c2de>] irq_exit+0x3b/0x47
12 00:56:18 [461680.643466] [<8010d252>] smp_apic_timer_interrupt+0x69/0x74
12 00:56:18 [461680.649228] [<801031af>] apic_timer_interrupt+0x33/0x38
12 00:56:18 [461680.654640] [<8020b28b>] acpi_processor_idle+0x157/0x3e8
12 00:56:18 [461680.660141] [<80100b8e>] cpu_idle+0x46/0x6f
12 00:56:18 [461680.664510] [<803889e8>] rest_init+0x60/0x62
12 00:56:18 [461680.668972] [<804c2a16>] start_kernel+0x239/0x23f
12 00:56:18 [461680.673870] [<00000000>] 0x0
12 00:56:18 [461680.677025] =======================
--
Simon Arlott
next prev parent reply other threads:[~2008-11-03 21:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-03 17:59 xfrm_policy_kill: inconsistent {softirq-on-W} -> {in-softirq-W} usage Simon Arlott
2008-11-03 20:57 ` Alexey Dobriyan
2008-11-03 21:20 ` Simon Arlott [this message]
2008-11-04 3:12 ` David Miller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=490F6B10.9070902@simon.arlott.org.uk \
--to=simon@fire.lp0.eu \
--cc=adobriyan@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.