From: Andrew Morton <akpm@linux-foundation.org>
To: Dave Young <hidave.darkstar@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Fengguang Wu <wfg@mail.ustc.edu.cn>,
linux-usb@vger.kernel.org
Subject: Re: [BUG] D state process after unplug and umount usb disk
Date: Sat, 3 Sep 2011 10:50:45 -0700 [thread overview]
Message-ID: <20110903105045.7d195883.akpm@linux-foundation.org> (raw)
In-Reply-To: <CABqxG0dM27pmAiajtwAFeBVgc=U+2KaaLCYH9wxOdcW=vbku_A@mail.gmail.com>
(cc linux-usb)
On Sat, 3 Sep 2011 18:31:11 +0800 Dave Young <hidave.darkstar@gmail.com> wrote:
> Hi,
>
> Known issue?
Not as far as I know. Kernel version?
> Reproduce by:
> mount /dev/sdb2 /mnt/sdb2 -t ext3
> cat /mnt/sdb2/* >/dev/null
> unplug usb disk
> umount -f /mnt/sdb2
>
> dmesg as below:
>
> [ 1440.567271] SysRq : Show Blocked State
> [ 1440.567278] task PC stack pid father
> [ 1440.567312] cat D ffff880037a1e378 4296 2381 2310 0x00000004
> [ 1440.567320] ffff88003cca5838 0000000000000046 ffff88003cca57e8
> ffffffff00000000
> [ 1440.567332] 00000000000134c0 00000000000134c0 00000000000134c0
> ffff880037a1e000
> [ 1440.567339] 00000000000134c0 ffff88003cca5fd8 00000000000134c0
> 00000000000134c0
> [ 1440.567347] Call Trace:
> [ 1440.567357] [<ffffffff810c0468>] ? lock_page+0x2a/0x2a
> [ 1440.567363] [<ffffffff815e452d>] io_schedule+0x5e/0x79
> [ 1440.567368] [<ffffffff810c0471>] sleep_on_page+0x9/0xd
> [ 1440.567373] [<ffffffff815e4adf>] __wait_on_bit_lock+0x41/0x8a
> [ 1440.567378] [<ffffffff810c0437>] __lock_page+0x61/0x68
> [ 1440.567384] [<ffffffff81058739>] ? autoremove_wake_function+0x34/0x34
> [ 1440.567390] [<ffffffff8102f704>] ? should_resched+0x9/0x29
> [ 1440.567395] [<ffffffff810c9b0b>] lock_page+0x25/0x29
> [ 1440.567400] [<ffffffff810ca1ac>] truncate_inode_pages_range+0x2a6/0x32d
> [ 1440.567406] [<ffffffff810ca240>] truncate_inode_pages+0xd/0xf
> [ 1440.567411] [<ffffffff811642cf>] ext3_evict_inode+0xc9/0x1d7
> [ 1440.567417] [<ffffffff8111288e>] evict+0xa3/0x15e
> [ 1440.567422] [<ffffffff81112b34>] dispose_list+0x3d/0x49
> [ 1440.567426] [<ffffffff81113475>] evict_inodes+0xf1/0x100
> [ 1440.567431] [<ffffffff810ffd21>] generic_shutdown_super+0x47/0xc7
> [ 1440.567436] [<ffffffff810ffdc3>] kill_block_super+0x22/0x65
> [ 1440.567441] [<ffffffff811000da>] deactivate_locked_super+0x21/0x52
> [ 1440.567445] [<ffffffff811009ab>] deactivate_super+0x35/0x39
> [ 1440.567452] [<ffffffff81116395>] mntput_no_expire+0xcb/0xd0
> [ 1440.567457] [<ffffffff811163bb>] mntput+0x21/0x23
> [ 1440.567461] [<ffffffff810ff8e7>] fput+0x196/0x1a5
> [ 1440.567467] [<ffffffff810fc7a1>] filp_close+0x6b/0x76
> [ 1440.567472] [<ffffffff8103fa8a>] put_files_struct+0x73/0xd1
> [ 1440.567477] [<ffffffff8103fb7b>] exit_files+0x46/0x4f
> [ 1440.567481] [<ffffffff8103fe01>] do_exit+0x27d/0x7b3
> [ 1440.567487] [<ffffffff8104d97f>] ? get_signal_to_deliver+0x81/0x4ac
> [ 1440.567493] [<ffffffff812e5e27>] ? do_raw_spin_lock+0x6b/0x122
> [ 1440.567497] [<ffffffff810405c5>] do_group_exit+0x7d/0xa8
> [ 1440.567502] [<ffffffff8104dd8b>] get_signal_to_deliver+0x48d/0x4ac
> [ 1440.567509] [<ffffffff81001ea2>] do_signal+0x39/0x600
> [ 1440.567514] [<ffffffff810fdb37>] ? fsnotify_access+0x5d/0x65
> [ 1440.567519] [<ffffffff810024a4>] do_notify_resume+0x27/0x69
> [ 1440.567524] [<ffffffff812e158e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
> [ 1440.567529] [<ffffffff815ecd63>] int_signal+0x12/0x17
> [ 1440.710163] INFO: task cat:2381 blocked for more than 120 seconds.
> [ 1440.710170] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> [ 1440.710175] cat D ffff880037a1e378 4296 2381 2310 0x00000004
> [ 1440.710188] ffff88003cca5838 0000000000000046 ffff88003cca57e8
> ffffffff00000000
> [ 1440.710201] 00000000000134c0 00000000000134c0 00000000000134c0
> ffff880037a1e000
> [ 1440.710218] 00000000000134c0 ffff88003cca5fd8 00000000000134c0
> 00000000000134c0
> [ 1440.710225] Call Trace:
> [ 1440.710233] [<ffffffff810c0468>] ? lock_page+0x2a/0x2a
> [ 1440.710239] [<ffffffff815e452d>] io_schedule+0x5e/0x79
> [ 1440.710244] [<ffffffff810c0471>] sleep_on_page+0x9/0xd
> [ 1440.710249] [<ffffffff815e4adf>] __wait_on_bit_lock+0x41/0x8a
> [ 1440.710253] [<ffffffff810c0437>] __lock_page+0x61/0x68
> [ 1440.710259] [<ffffffff81058739>] ? autoremove_wake_function+0x34/0x34
> [ 1440.710264] [<ffffffff8102f704>] ? should_resched+0x9/0x29
> [ 1440.710269] [<ffffffff810c9b0b>] lock_page+0x25/0x29
> [ 1440.710274] [<ffffffff810ca1ac>] truncate_inode_pages_range+0x2a6/0x32d
> [ 1440.710279] [<ffffffff810ca240>] truncate_inode_pages+0xd/0xf
> [ 1440.710284] [<ffffffff811642cf>] ext3_evict_inode+0xc9/0x1d7
> [ 1440.710289] [<ffffffff8111288e>] evict+0xa3/0x15e
> [ 1440.710294] [<ffffffff81112b34>] dispose_list+0x3d/0x49
> [ 1440.710299] [<ffffffff81113475>] evict_inodes+0xf1/0x100
> [ 1440.710303] [<ffffffff810ffd21>] generic_shutdown_super+0x47/0xc7
> [ 1440.710308] [<ffffffff810ffdc3>] kill_block_super+0x22/0x65
> [ 1440.710312] [<ffffffff811000da>] deactivate_locked_super+0x21/0x52
> [ 1440.710316] [<ffffffff811009ab>] deactivate_super+0x35/0x39
> [ 1440.710322] [<ffffffff81116395>] mntput_no_expire+0xcb/0xd0
> [ 1440.710326] [<ffffffff811163bb>] mntput+0x21/0x23
> [ 1440.710330] [<ffffffff810ff8e7>] fput+0x196/0x1a5
> [ 1440.710335] [<ffffffff810fc7a1>] filp_close+0x6b/0x76
> [ 1440.710342] [<ffffffff8103fa8a>] put_files_struct+0x73/0xd1
> [ 1440.710346] [<ffffffff8103fb7b>] exit_files+0x46/0x4f
> [ 1440.710350] [<ffffffff8103fe01>] do_exit+0x27d/0x7b3
> [ 1440.710356] [<ffffffff8104d97f>] ? get_signal_to_deliver+0x81/0x4ac
> [ 1440.710361] [<ffffffff812e5e27>] ? do_raw_spin_lock+0x6b/0x122
> [ 1440.710366] [<ffffffff810405c5>] do_group_exit+0x7d/0xa8
> [ 1440.710371] [<ffffffff8104dd8b>] get_signal_to_deliver+0x48d/0x4ac
> [ 1440.710376] [<ffffffff81001ea2>] do_signal+0x39/0x600
> [ 1440.710381] [<ffffffff810fdb37>] ? fsnotify_access+0x5d/0x65
> [ 1440.710386] [<ffffffff810024a4>] do_notify_resume+0x27/0x69
> [ 1440.710391] [<ffffffff812e158e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
> [ 1440.710396] [<ffffffff815ecd63>] int_signal+0x12/0x17
> [ 1440.710399] INFO: lockdep is turned off.
next prev parent reply other threads:[~2011-09-03 17:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-03 10:31 [BUG] D state process after unplug and umount usb disk Dave Young
2011-09-03 17:50 ` Andrew Morton [this message]
2011-09-05 1:17 ` Dave Young
2011-09-05 3:01 ` Dave Young
2011-09-06 8:10 ` Dave Young
2011-09-04 13:11 ` Lin Ming
2011-09-04 13:49 ` Alan Stern
2011-09-04 14:25 ` Lin Ming
2011-09-05 1:17 ` Alan Stern
2011-09-05 1:21 ` Dave Young
2011-09-05 9:04 ` Dave Young
2011-09-05 13:31 ` Wu Fengguang
2011-09-06 2:08 ` Dave Young
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