Re: [BUG] D state process after unplug and umount usb disk

[Dave Young]

On Mon, Sep 5, 2011 at 11:01 AM, Dave Young <hidave.darkstar@xxxxxxxxx> wrote:
> On Mon, Sep 5, 2011 at 9:17 AM, Dave Young <hidave.darkstar@xxxxxxxxx> wrote:
>> On Sun, Sep 4, 2011 at 1:50 AM, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>>> (cc linux-usb)
>>>
>>> On Sat, 3 Sep 2011 18:31:11 +0800 Dave Young <hidave.darkstar@xxxxxxxxx> wrote:
>>>
>>>> Hi,
>>>>
>>>> Known issue?
>>>
>>> Not as far as I know. ÂKernel version?
>>
>> 3.1-rc4+
>> sorry, I thought dump_stack would print out kernel version
>
> 3.0 no such problem, I will try bisecting this issue.

Unfortunately I'm lost in bisecting, some middle version does not
boot,  and there's other oops happening sometimes.

>
>>
>>>
>>>> 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            ÂPC stack  pid father
>>>> [ 1440.567312] cat       D ffff880037a1e378 Â4296 Â2381  2310 0x00000004
>>>> [ 1440.567320] Âffff88003cca5838 0000000000000046 ffff88003cca57e8
>>>> ffffffff00000000
>>>> [ 1440.567332] Â00000000000134c0 00000000000134c0 00000000000134c0
>>>> ffff880037a1e000
>>>> [ 1440.567339] Â00000000000134c0 ffff88003cca5fd8 00000000000134c0
>>>> 00000000000134c0
>>>> [ 1440.567347] Call Trace:
>>>> [ 1440.567357] Â[<ffffffff810c0468>] ? lock_page+0x2a/0x2a
>>>> [ 1440.567363] Â[<ffffffff815e452d>] io_schedule+0x5e/0x79
>>>> [ 1440.567368] Â[<ffffffff810c0471>] sleep_on_page+0x9/0xd
>>>> [ 1440.567373] Â[<ffffffff815e4adf>] __wait_on_bit_lock+0x41/0x8a
>>>> [ 1440.567378] Â[<ffffffff810c0437>] __lock_page+0x61/0x68
>>>> [ 1440.567384] Â[<ffffffff81058739>] ? autoremove_wake_function+0x34/0x34
>>>> [ 1440.567390] Â[<ffffffff8102f704>] ? should_resched+0x9/0x29
>>>> [ 1440.567395] Â[<ffffffff810c9b0b>] lock_page+0x25/0x29
>>>> [ 1440.567400] Â[<ffffffff810ca1ac>] truncate_inode_pages_range+0x2a6/0x32d
>>>> [ 1440.567406] Â[<ffffffff810ca240>] truncate_inode_pages+0xd/0xf
>>>> [ 1440.567411] Â[<ffffffff811642cf>] ext3_evict_inode+0xc9/0x1d7
>>>> [ 1440.567417] Â[<ffffffff8111288e>] evict+0xa3/0x15e
>>>> [ 1440.567422] Â[<ffffffff81112b34>] dispose_list+0x3d/0x49
>>>> [ 1440.567426] Â[<ffffffff81113475>] evict_inodes+0xf1/0x100
>>>> [ 1440.567431] Â[<ffffffff810ffd21>] generic_shutdown_super+0x47/0xc7
>>>> [ 1440.567436] Â[<ffffffff810ffdc3>] kill_block_super+0x22/0x65
>>>> [ 1440.567441] Â[<ffffffff811000da>] deactivate_locked_super+0x21/0x52
>>>> [ 1440.567445] Â[<ffffffff811009ab>] deactivate_super+0x35/0x39
>>>> [ 1440.567452] Â[<ffffffff81116395>] mntput_no_expire+0xcb/0xd0
>>>> [ 1440.567457] Â[<ffffffff811163bb>] mntput+0x21/0x23
>>>> [ 1440.567461] Â[<ffffffff810ff8e7>] fput+0x196/0x1a5
>>>> [ 1440.567467] Â[<ffffffff810fc7a1>] filp_close+0x6b/0x76
>>>> [ 1440.567472] Â[<ffffffff8103fa8a>] put_files_struct+0x73/0xd1
>>>> [ 1440.567477] Â[<ffffffff8103fb7b>] exit_files+0x46/0x4f
>>>> [ 1440.567481] Â[<ffffffff8103fe01>] do_exit+0x27d/0x7b3
>>>> [ 1440.567487] Â[<ffffffff8104d97f>] ? get_signal_to_deliver+0x81/0x4ac
>>>> [ 1440.567493] Â[<ffffffff812e5e27>] ? do_raw_spin_lock+0x6b/0x122
>>>> [ 1440.567497] Â[<ffffffff810405c5>] do_group_exit+0x7d/0xa8
>>>> [ 1440.567502] Â[<ffffffff8104dd8b>] get_signal_to_deliver+0x48d/0x4ac
>>>> [ 1440.567509] Â[<ffffffff81001ea2>] do_signal+0x39/0x600
>>>> [ 1440.567514] Â[<ffffffff810fdb37>] ? fsnotify_access+0x5d/0x65
>>>> [ 1440.567519] Â[<ffffffff810024a4>] do_notify_resume+0x27/0x69
>>>> [ 1440.567524] Â[<ffffffff812e158e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>>>> [ 1440.567529] Â[<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 Â4296 Â2381  2310 0x00000004
>>>> [ 1440.710188] Âffff88003cca5838 0000000000000046 ffff88003cca57e8
>>>> ffffffff00000000
>>>> [ 1440.710201] Â00000000000134c0 00000000000134c0 00000000000134c0
>>>> ffff880037a1e000
>>>> [ 1440.710218] Â00000000000134c0 ffff88003cca5fd8 00000000000134c0
>>>> 00000000000134c0
>>>> [ 1440.710225] Call Trace:
>>>> [ 1440.710233] Â[<ffffffff810c0468>] ? lock_page+0x2a/0x2a
>>>> [ 1440.710239] Â[<ffffffff815e452d>] io_schedule+0x5e/0x79
>>>> [ 1440.710244] Â[<ffffffff810c0471>] sleep_on_page+0x9/0xd
>>>> [ 1440.710249] Â[<ffffffff815e4adf>] __wait_on_bit_lock+0x41/0x8a
>>>> [ 1440.710253] Â[<ffffffff810c0437>] __lock_page+0x61/0x68
>>>> [ 1440.710259] Â[<ffffffff81058739>] ? autoremove_wake_function+0x34/0x34
>>>> [ 1440.710264] Â[<ffffffff8102f704>] ? should_resched+0x9/0x29
>>>> [ 1440.710269] Â[<ffffffff810c9b0b>] lock_page+0x25/0x29
>>>> [ 1440.710274] Â[<ffffffff810ca1ac>] truncate_inode_pages_range+0x2a6/0x32d
>>>> [ 1440.710279] Â[<ffffffff810ca240>] truncate_inode_pages+0xd/0xf
>>>> [ 1440.710284] Â[<ffffffff811642cf>] ext3_evict_inode+0xc9/0x1d7
>>>> [ 1440.710289] Â[<ffffffff8111288e>] evict+0xa3/0x15e
>>>> [ 1440.710294] Â[<ffffffff81112b34>] dispose_list+0x3d/0x49
>>>> [ 1440.710299] Â[<ffffffff81113475>] evict_inodes+0xf1/0x100
>>>> [ 1440.710303] Â[<ffffffff810ffd21>] generic_shutdown_super+0x47/0xc7
>>>> [ 1440.710308] Â[<ffffffff810ffdc3>] kill_block_super+0x22/0x65
>>>> [ 1440.710312] Â[<ffffffff811000da>] deactivate_locked_super+0x21/0x52
>>>> [ 1440.710316] Â[<ffffffff811009ab>] deactivate_super+0x35/0x39
>>>> [ 1440.710322] Â[<ffffffff81116395>] mntput_no_expire+0xcb/0xd0
>>>> [ 1440.710326] Â[<ffffffff811163bb>] mntput+0x21/0x23
>>>> [ 1440.710330] Â[<ffffffff810ff8e7>] fput+0x196/0x1a5
>>>> [ 1440.710335] Â[<ffffffff810fc7a1>] filp_close+0x6b/0x76
>>>> [ 1440.710342] Â[<ffffffff8103fa8a>] put_files_struct+0x73/0xd1
>>>> [ 1440.710346] Â[<ffffffff8103fb7b>] exit_files+0x46/0x4f
>>>> [ 1440.710350] Â[<ffffffff8103fe01>] do_exit+0x27d/0x7b3
>>>> [ 1440.710356] Â[<ffffffff8104d97f>] ? get_signal_to_deliver+0x81/0x4ac
>>>> [ 1440.710361] Â[<ffffffff812e5e27>] ? do_raw_spin_lock+0x6b/0x122
>>>> [ 1440.710366] Â[<ffffffff810405c5>] do_group_exit+0x7d/0xa8
>>>> [ 1440.710371] Â[<ffffffff8104dd8b>] get_signal_to_deliver+0x48d/0x4ac
>>>> [ 1440.710376] Â[<ffffffff81001ea2>] do_signal+0x39/0x600
>>>> [ 1440.710381] Â[<ffffffff810fdb37>] ? fsnotify_access+0x5d/0x65
>>>> [ 1440.710386] Â[<ffffffff810024a4>] do_notify_resume+0x27/0x69
>>>> [ 1440.710391] Â[<ffffffff812e158e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
>>>> [ 1440.710396] Â[<ffffffff815ecd63>] int_signal+0x12/0x17
>>>> [ 1440.710399] INFO: lockdep is turned off.
>>>
>>>
>>
>>
>>
>> --
>> Regards
>> Yang RuiRui
>>
>
>
>
> --
> Regards
> Yang RuiRui
>



-- 
Regards
Yang RuiRui
--
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