From: Jens Axboe <axboe@kernel.dk>
To: Sitsofe Wheeler <sitsofe@yahoo.com>
Cc: linux-kernel@vger.kernel.org, Tejun Heo <tj@kernel.org>
Subject: Re: WARNING: at block/genhd.c:1556 disk_clear_events+0xdc/0xf0()
Date: Tue, 05 Apr 2011 03:51:00 +0200 [thread overview]
Message-ID: <4D9A7584.9040903@kernel.dk> (raw)
In-Reply-To: <20110404211604.GB6133@sucs.org>
On 2011-04-04 23:16, Sitsofe Wheeler wrote:
> I'm seeing the following warning on 2.6.39-rc1-00220-g148086b when I was
> inserting an SD card (which is attached to the USB port) and USB stick
> with loads of kernel debug options on:
>
> [ 7.526172] ------------[ cut here ]------------
> [ 7.526191] WARNING: at block/genhd.c:1556 disk_clear_events+0xdc/0xf0()
> [ 7.526197] Hardware name: 900
> [ 7.526205] Pid: 1112, comm: udisks-part-id Not tainted 2.6.39-rc1-00227-gd7c764c-dirty #352
> [ 7.526211] Call Trace:
> [ 7.526224] [<b0127208>] warn_slowpath_common+0x68/0xa0
> [ 7.526232] [<b0254e8c>] ? disk_clear_events+0xdc/0xf0
> [ 7.526240] [<b0254e8c>] ? disk_clear_events+0xdc/0xf0
> [ 7.526248] [<b012725b>] warn_slowpath_null+0x1b/0x20
> [ 7.526255] [<b0254e8c>] disk_clear_events+0xdc/0xf0
> [ 7.526265] [<b01c29c5>] check_disk_change+0x25/0x70
> [ 7.526274] [<b0345647>] sd_open+0x97/0x180
> [ 7.526282] [<b01c38ac>] __blkdev_get+0x7c/0x310
> [ 7.526289] [<b01c3b86>] blkdev_get+0x46/0x2c0
> [ 7.526298] [<b051206d>] ? _raw_spin_unlock+0x1d/0x20
> [ 7.526306] [<b01c3e55>] blkdev_open+0x55/0x70
> [ 7.526316] [<b0193262>] __dentry_open+0x112/0x290
> [ 7.526323] [<b0193446>] nameidata_to_filp+0x66/0x70
> [ 7.526331] [<b01c3e00>] ? blkdev_get+0x2c0/0x2c0
> [ 7.526340] [<b01a04fd>] do_last+0x19d/0x770
> [ 7.526348] [<b01a1730>] path_openat+0x90/0x310
> [ 7.526356] [<b01a1abd>] do_filp_open+0x5d/0x80
> [ 7.526364] [<b051206d>] ? _raw_spin_unlock+0x1d/0x20
> [ 7.526373] [<b01aec54>] ? alloc_fd+0x164/0x1b0
> [ 7.526381] [<b0194581>] do_sys_open+0xf1/0x1c0
> [ 7.526389] [<b01952ac>] ? vfs_write+0xfc/0x140
> [ 7.526397] [<b01946b9>] sys_open+0x29/0x40
> [ 7.526404] [<b0512817>] sysenter_do_call+0x12/0x36
> [ 7.526410] ---[ end trace 1aec3f97d06611cd ]---
>
> A quick Google also turns up the same report in
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/748166 .
CC Tejun.
--
Jens Axboe
next prev parent reply other threads:[~2011-04-05 1:52 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-04 21:16 WARNING: at block/genhd.c:1556 disk_clear_events+0xdc/0xf0() Sitsofe Wheeler
2011-04-05 1:51 ` Jens Axboe [this message]
2011-04-06 13:04 ` Tejun Heo
2011-04-06 21:26 ` Sitsofe Wheeler
2011-04-06 21:37 ` Tejun Heo
2011-04-09 9:34 ` Sitsofe Wheeler
2011-04-10 14:59 ` Sitsofe Wheeler
2011-04-13 20:00 ` Tejun Heo
2011-04-15 9:01 ` Tejun Heo
2011-04-15 18:20 ` Tejun Heo
2011-04-15 21:41 ` Sitsofe Wheeler
2011-04-21 17:38 ` Tejun Heo
2011-04-21 18:43 ` Tejun Heo
2011-05-10 16:48 ` Tejun Heo
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