Control: reassign -1 src:linux
On Sat, 18 Oct 2014 11:58:07 +1100 Scott Leggett <sc...@sl.id.au> wrote:
> -- Log snippet
>
> Oct 17 22:56:56 whist kernel: Tainted: G O 3.16-2-amd64 #1
> Oct 17 22:56:56 whist kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
> Oct 17 22:56:56 whist kernel: systemd-udevd D ffff88003686c528 0 313
1 0x00000000
> Oct 17 22:56:56 whist kernel: ffff88003686c0d0 0000000000000086
0000000000014240 ffff88040ce6ffd8
> Oct 17 22:56:56 whist kernel: 0000000000014240 ffff88003686c0d0
ffff88040d5951d8 ffff88040ce6fbe0
> Oct 17 22:56:56 whist kernel: ffff88040d5951dc ffff88003686c0d0
00000000ffffffff ffff88040d5951e0
> Oct 17 22:56:56 whist kernel: Call Trace:
> Oct 17 22:56:56 whist kernel: [<ffffffff81508e35>] ?
schedule_preempt_disabled+0x25/0x70
> Oct 17 22:56:56 whist kernel: [<ffffffff8150a8f3>] ?
__mutex_lock_slowpath+0xd3/0x1c0
> Oct 17 22:56:56 whist kernel: [<ffffffff8150a9fb>] ? mutex_lock+0x1b/0x2a
> Oct 17 22:56:56 whist kernel: [<ffffffff811d9733>] ?
__blkdev_get+0x63/0x480
> Oct 17 22:56:56 whist kernel: [<ffffffff811d9ea0>] ?
blkdev_get_by_dev+0x40/0x40
> Oct 17 22:56:56 whist kernel: [<ffffffff811d9d06>] ?
blkdev_get+0x1b6/0x310
> Oct 17 22:56:56 whist kernel: [<ffffffff811d9ea0>] ?
blkdev_get_by_dev+0x40/0x40
> Oct 17 22:56:56 whist kernel: [<ffffffff811a2ce2>] ?
do_dentry_open+0x1f2/0x330
> Oct 17 22:56:56 whist kernel: [<ffffffff811a2fed>] ?
finish_open+0x2d/0x40
> Oct 17 22:56:56 whist kernel: [<ffffffff811b3aca>] ? do_last+0xa5a/0x11e0
> Oct 17 22:56:56 whist kernel: [<ffffffff811afef1>] ?
link_path_walk+0x71/0x890
> Oct 17 22:56:56 whist kernel: [<ffffffff811b430b>] ?
path_openat+0xbb/0x680
> Oct 17 22:56:56 whist kernel: [<ffffffff81177835>] ?
free_pages_and_swap_cache+0x95/0xb0
> Oct 17 22:56:56 whist kernel: [<ffffffff811b507a>] ?
do_filp_open+0x3a/0x90
> Oct 17 22:56:56 whist kernel: [<ffffffff811c10ac>] ?
__alloc_fd+0x7c/0x120
> Oct 17 22:56:56 whist kernel: [<ffffffff811a4529>] ?
do_sys_open+0x129/0x220
> Oct 17 22:56:56 whist kernel: [<ffffffff8150c26d>] ?
system_call_fast_compare_end+0x10/0x15
> Oct 17 22:58:56 whist kernel: INFO: task systemd-udevd:313 blocked
for more than 120 seconds.
> Oct 17 22:58:56 whist kernel: Tainted: G O 3.16-2-amd64 #1
> Oct 17 22:58:56 whist kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
> Oct 17 22:58:56 whist kernel: systemd-udevd D ffff88003686c528 0 313
1 0x00000000
> Oct 17 22:58:56 whist kernel: ffff88003686c0d0 0000000000000086
0000000000014240 ffff88040ce6ffd8
> Oct 17 22:58:56 whist kernel: 0000000000014240 ffff88003686c0d0
ffff88040d5951d8 ffff88040ce6fbe0
> Oct 17 22:58:56 whist kernel: ffff88040d5951dc ffff88003686c0d0
00000000ffffffff ffff88040d5951e0
> Oct 17 22:58:56 whist kernel: Call Trace:
> Oct 17 22:58:56 whist kernel: [<ffffffff81508e35>] ?
schedule_preempt_disabled+0x25/0x70
> Oct 17 22:58:56 whist kernel: [<ffffffff8150a8f3>] ?
__mutex_lock_slowpath+0xd3/0x1c0
> Oct 17 22:58:56 whist kernel: [<ffffffff8150a9fb>] ? mutex_lock+0x1b/0x2a
> Oct 17 22:58:56 whist kernel: [<ffffffff811d9733>] ?
__blkdev_get+0x63/0x480
> Oct 17 22:58:56 whist kernel: [<ffffffff811d9ea0>] ?
blkdev_get_by_dev+0x40/0x40
> Oct 17 22:58:56 whist kernel: [<ffffffff811d9d06>] ?
blkdev_get+0x1b6/0x310
> Oct 17 22:58:56 whist kernel: [<ffffffff811d9ea0>] ?
blkdev_get_by_dev+0x40/0x40
> Oct 17 22:58:56 whist kernel: [<ffffffff811a2ce2>] ?
do_dentry_open+0x1f2/0x330
> Oct 17 22:58:56 whist kernel: [<ffffffff811a2fed>] ?
finish_open+0x2d/0x40
> Oct 17 22:58:56 whist kernel: [<ffffffff811b3aca>] ? do_last+0xa5a/0x11e0
> Oct 17 22:58:56 whist kernel: [<ffffffff811afef1>] ?
link_path_walk+0x71/0x890
> Oct 17 22:58:56 whist kernel: [<ffffffff811b430b>] ?
path_openat+0xbb/0x680
> Oct 17 22:58:56 whist kernel: [<ffffffff81177835>] ?
free_pages_and_swap_cache+0x95/0xb0
This looks more like a kernel bug. I'm assigning it to src:linux
Dear linux maintainers: Apologies in advance if you don't think it's a
kernel bug.
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