From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Alan Jenkins <alan-jenkins@tuffmail.co.uk>,
"Rafael J. Wysocki" <rjw@sisk.pl>
Cc: linux-kernel@vger.kernel.org,
Hans-Joachim Picht <hans@linux.vnet.ibm.com>
Subject: PM/hibernate swapfile regression
Date: Tue, 14 Jul 2009 15:54:53 +0200 [thread overview]
Message-ID: <20090714135453.GA26976@osiris.boeblingen.de.ibm.com> (raw)
We've seen this bug:
Jul 8 13:16:02 h05lp03 kernel: BUG: sleeping function called from invalid context at /home/autobuild/BUILD/linux-2.6.30-20090707/include/linux/writeback.h:87
Jul 8 13:16:02 h05lp03 kernel: in_atomic(): 1, irqs_disabled(): 0, pid: 24377, name: bash
Jul 8 13:16:02 h05lp03 kernel: 3 locks held by bash/24377:
Jul 8 13:16:02 h05lp03 kernel: #0: (&buffer->mutex){+.+.+.}, at: [<0000000000276e74>] sysfs_write_file+0x4c/0x1ac
Jul 8 13:16:02 h05lp03 kernel: #1: (pm_mutex#2){+.+.+.}, at: [<000000000018f128>] hibernate+0x34/0x200
Jul 8 13:16:02 h05lp03 kernel: #2: (swap_lock){+.+.-.}, at: [<00000000001f371c>] swap_type_of+0x44/0x158
Jul 8 13:16:02 h05lp03 kernel: CPU: 8 Not tainted 2.6.30-39.x.20090707-s390xdefault #1
Jul 8 13:16:02 h05lp03 kernel: Process bash (pid: 24377, task: 000000012ce84240, ksp: 00000000c262bb00)
Jul 8 13:16:02 h05lp03 kernel: 0000000000000000 00000000c262ba88 0000000000000002 0000000000000000
Jul 8 13:16:02 h05lp03 kernel: 00000000c262bb28 00000000c262baa0 00000000c262baa0 00000000005448c4
Jul 8 13:16:02 h05lp03 kernel: 0000000000000000 000000012ce84718 000000013d5bf1a8 0000000000000000
Jul 8 13:16:02 h05lp03 kernel: 000000000000000d 0000000000000000 00000000c262baf8 000000000000000e
Jul 8 13:16:02 h05lp03 kernel: 0000000000553da8 0000000000105600 00000000c262ba88 00000000c262bad0
Jul 8 13:16:02 h05lp03 kernel: Call Trace:
Jul 8 13:16:02 h05lp03 kernel: ([<00000000001054fc>] show_trace+0xf0/0x148)
Jul 8 13:16:02 h05lp03 kernel: [<00000000001391ba>] __might_sleep+0x172/0x188
Jul 8 13:16:02 h05lp03 kernel: [<000000000021f738>] ifind+0x88/0xe4
Jul 8 13:16:02 h05lp03 kernel: [<0000000000220b0e>] iget5_locked+0x66/0x1d8
Jul 8 13:16:02 h05lp03 kernel: [<000000000023b676>] bdget+0x5e/0x150
Jul 8 13:16:02 h05lp03 kernel: [<00000000001f37b2>] swap_type_of+0xda/0x158
Jul 8 13:16:02 h05lp03 kernel: [<0000000000192342>] swsusp_write+0x4e/0x458
Jul 8 13:16:02 h05lp03 kernel: [<000000000018f254>] hibernate+0x160/0x200
Jul 8 13:16:02 h05lp03 kernel: [<000000000018d8da>] state_store+0x82/0xa8
Jul 8 13:16:02 h05lp03 kernel: [<0000000000276f20>] sysfs_write_file+0xf8/0x1ac
Jul 8 13:16:02 h05lp03 kernel: [<000000000020663a>] vfs_write+0xae/0x15c
Jul 8 13:16:02 h05lp03 kernel: [<00000000002067e0>] SyS_write+0x54/0xac
Jul 8 13:16:02 h05lp03 kernel: [<0000000000117a96>] sysc_noemu+0x10/0x16
Jul 8 13:16:02 h05lp03 kernel: [<00000047083e36b4>] 0x47083e36b4
Looks like this was introduced with git commit a1bb7d61 "PM/hibernate: fix "swap
breaks after hibernation failures"".
Calling bdget while holding a spinlock doesn't seem to be a good idea...
next reply other threads:[~2009-07-14 13:55 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-14 13:54 Heiko Carstens [this message]
2009-07-14 16:21 ` Rafael J. Wysocki
2009-07-15 21:24 ` Alan Jenkins
2009-07-17 13:08 ` Alan Jenkins
2009-07-20 13:24 ` Heiko Carstens
2009-07-21 10:50 ` Alan Jenkins
2009-07-21 13:41 ` Rafael J. Wysocki
2009-07-21 20:57 ` Rafael J. Wysocki
2009-07-21 21:46 ` Johannes Weiner
2009-07-21 21:55 ` Christoph Hellwig
2009-07-25 21:58 ` Rafael J. Wysocki
2009-07-27 5:12 ` Christoph Hellwig
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=20090714135453.GA26976@osiris.boeblingen.de.ibm.com \
--to=heiko.carstens@de.ibm.com \
--cc=alan-jenkins@tuffmail.co.uk \
--cc=hans@linux.vnet.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=rjw@sisk.pl \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®