* [warn, 2.6.37-current] loop: sysfs: cannot create duplicate filename
@ 2010-10-27 0:00 Dave Chinner
2010-10-27 4:11 ` Jens Axboe
0 siblings, 1 reply; 2+ messages in thread
From: Dave Chinner @ 2010-10-27 0:00 UTC (permalink / raw)
To: linux-kernel; +Cc: Jens Axboe
Folks,
I'm getting this warning triggering repeatedly when running xfstests
on a day old 2.6.37-git tree.
[ 3393.738568] ------------[ cut here ]------------
[ 3393.739389] WARNING: at fs/sysfs/dir.c:451 sysfs_add_one+0xc9/0x130()
[ 3393.740490] Hardware name: Bochs
[ 3393.741041] sysfs: cannot create duplicate filename '/devices/virtual/block/loop0/loop'
[ 3393.742439] Modules linked in:
[ 3393.742984] Pid: 5360, comm: mount Not tainted 2.6.36-dgc+ #590
[ 3393.744125] Call Trace:
[ 3393.744555] [<ffffffff8108492f>] warn_slowpath_common+0x7f/0xc0
[ 3393.745545] [<ffffffff81084a26>] warn_slowpath_fmt+0x46/0x50
[ 3393.746493] [<ffffffff811d1539>] sysfs_add_one+0xc9/0x130
[ 3393.747420] [<ffffffff811d1621>] create_dir+0x81/0xd0
[ 3393.748311] [<ffffffff811d175c>] sysfs_create_subdir+0x1c/0x20
[ 3393.749294] [<ffffffff811d30b8>] internal_create_group+0x58/0x1a0
[ 3393.750234] [<ffffffff811d3233>] sysfs_create_group+0x13/0x20
[ 3393.751223] [<ffffffff81879e66>] lo_ioctl+0x506/0x7b0
[ 3393.752111] [<ffffffff8169b5a8>] __blkdev_driver_ioctl+0x28/0x30
[ 3393.753115] [<ffffffff8169ba8e>] blkdev_ioctl+0x22e/0x6f0
[ 3393.754022] [<ffffffff81190732>] block_ioctl+0x42/0x50
[ 3393.754889] [<ffffffff8116f239>] do_vfs_ioctl+0xa9/0x5a0
[ 3393.755803] [<ffffffff810bdded>] ? trace_hardirqs_on+0xd/0x10
[ 3393.756805] [<ffffffff8116f7b1>] sys_ioctl+0x81/0xa0
[ 3393.757647] [<ffffffff8103a072>] system_call_fastpath+0x16/0x1b
[ 3393.758626] ---[ end trace 2a65a71ed74903b0 ]---
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [warn, 2.6.37-current] loop: sysfs: cannot create duplicate filename
2010-10-27 0:00 [warn, 2.6.37-current] loop: sysfs: cannot create duplicate filename Dave Chinner
@ 2010-10-27 4:11 ` Jens Axboe
0 siblings, 0 replies; 2+ messages in thread
From: Jens Axboe @ 2010-10-27 4:11 UTC (permalink / raw)
To: Dave Chinner; +Cc: linux-kernel
On 2010-10-26 18:00, Dave Chinner wrote:
> Folks,
>
> I'm getting this warning triggering repeatedly when running xfstests
> on a day old 2.6.37-git tree.
>
> [ 3393.738568] ------------[ cut here ]------------
> [ 3393.739389] WARNING: at fs/sysfs/dir.c:451 sysfs_add_one+0xc9/0x130()
> [ 3393.740490] Hardware name: Bochs
> [ 3393.741041] sysfs: cannot create duplicate filename '/devices/virtual/block/loop0/loop'
> [ 3393.742439] Modules linked in:
> [ 3393.742984] Pid: 5360, comm: mount Not tainted 2.6.36-dgc+ #590
> [ 3393.744125] Call Trace:
> [ 3393.744555] [<ffffffff8108492f>] warn_slowpath_common+0x7f/0xc0
> [ 3393.745545] [<ffffffff81084a26>] warn_slowpath_fmt+0x46/0x50
> [ 3393.746493] [<ffffffff811d1539>] sysfs_add_one+0xc9/0x130
> [ 3393.747420] [<ffffffff811d1621>] create_dir+0x81/0xd0
> [ 3393.748311] [<ffffffff811d175c>] sysfs_create_subdir+0x1c/0x20
> [ 3393.749294] [<ffffffff811d30b8>] internal_create_group+0x58/0x1a0
> [ 3393.750234] [<ffffffff811d3233>] sysfs_create_group+0x13/0x20
> [ 3393.751223] [<ffffffff81879e66>] lo_ioctl+0x506/0x7b0
> [ 3393.752111] [<ffffffff8169b5a8>] __blkdev_driver_ioctl+0x28/0x30
> [ 3393.753115] [<ffffffff8169ba8e>] blkdev_ioctl+0x22e/0x6f0
> [ 3393.754022] [<ffffffff81190732>] block_ioctl+0x42/0x50
> [ 3393.754889] [<ffffffff8116f239>] do_vfs_ioctl+0xa9/0x5a0
> [ 3393.755803] [<ffffffff810bdded>] ? trace_hardirqs_on+0xd/0x10
> [ 3393.756805] [<ffffffff8116f7b1>] sys_ioctl+0x81/0xa0
> [ 3393.757647] [<ffffffff8103a072>] system_call_fastpath+0x16/0x1b
> [ 3393.758626] ---[ end trace 2a65a71ed74903b0 ]---
Thanks, this is a known bug, I will get the fix expedited.
--
Jens Axboe
^ permalink raw reply [flat|nested] 2+ messages in thread
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