<div dir="ltr">Oct 29 17:01:58 mail kernel: [ 360.367165] INFO: task xfsdump:2549 blocked for more than 120 seconds.<br>Oct 29 17:01:58 mail kernel: [ 360.367182] Tainted: G O 3.18.0-rc2-1029 #1<br>Oct 29 17:01:58 mail kernel: [ 360.367195] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>Oct 29 17:01:58 mail kernel: [ 360.367211] xfsdump D 0000000000000000 0 2549 2265 0x00000000<br>Oct 29 17:01:58 mail kernel: [ 360.367229] ffff8808110b8190 0000000000000082 ffff8807eb0e4800 ffff8807fa527fd8<br>Oct 29 17:01:58 mail kernel: [ 360.367248] ffff8808110b8190 000000000000a000 0000000000000296 000000007a9966c4<br>Oct 29 17:01:58 mail kernel: [ 360.367266] ffff8807fa557800 000000007a9966c4 ffff8807eb0e4800 7fffffffffffffff<br>Oct 29 17:01:58 mail kernel: [ 360.367285] Call Trace:<br>Oct 29 17:01:58 mail kernel: [ 360.367296] [<ffffffff814106ad>] ? schedule_timeout+0x15d/0x1b0<br>Oct 29 17:01:58 mail kernel: [ 360.367310] [<ffffffff8140f835>] ? __down+0x65/0xb0<br>Oct 29 17:01:58 mail kernel: [ 360.367322] [<ffffffff8107e09d>] ? down+0x3d/0x60<br>Oct 29 17:01:58 mail kernel: [ 360.367359] [<ffffffffa03637bd>] ? xfs_buf_lock+0x1d/0x40 [xfs]<br>Oct 29 17:01:58 mail kernel: [ 360.367378] [<ffffffffa0363975>] ? _xfs_buf_find+0x195/0x270 [xfs]<br>Oct 29 17:01:58 mail kernel: [ 360.367398] [<ffffffffa0363a71>] ? xfs_buf_get_map+0x21/0x120 [xfs]<br>Oct 29 17:01:58 mail kernel: [ 360.367418] [<ffffffffa03640ce>] ? xfs_buf_read_map+0x1e/0xc0 [xfs]<br>Oct 29 17:01:58 mail kernel: [ 360.367438] [<ffffffffa038c9db>] ? xfs_trans_read_buf_map+0x10b/0x300 [xfs]<br>Oct 29 17:01:58 mail kernel: [ 360.367459] [<ffffffffa0354440>] ? xfs_read_agi+0x80/0xb0 [xfs]<br>Oct 29 17:01:58 mail kernel: [ 360.367478] [<ffffffffa0354481>] ? xfs_ialloc_read_agi+0x11/0x70 [xfs]<br>Oct 29 17:01:58 mail kernel: [ 360.367499] [<ffffffffa0376532>] ? xfs_bulkstat+0x192/0x530 [xfs]<br>Oct 29 17:01:58 mail kernel: [ 360.367517] [<ffffffffa03761e0>] ? xfs_bulkstat_one_int+0x2e0/0x2e0 [xfs]<br>Oct 29 17:01:58 mail kernel: [ 360.367538] [<ffffffffa036bda2>] ? xfs_ioc_bulkstat+0xe2/0x1c0 [xfs]<br>Oct 29 17:01:58 mail kernel: [ 360.367558] [<ffffffffa036e518>] ? xfs_file_ioctl+0x7f8/0xab0 [xfs]<br>Oct 29 17:01:58 mail kernel: [ 360.367577] [<ffffffffa037221c>] ? xfs_iunlock+0x3c/0x80 [xfs]<br>Oct 29 17:01:58 mail kernel: [ 360.367596] [<ffffffffa0360ed5>] ? xfs_free_eofblocks+0xd5/0x2a0 [xfs]<br>Oct 29 17:01:58 mail kernel: [ 360.367611] [<ffffffff810f6834>] ? list_lru_add+0x64/0x100<br>Oct 29 17:01:58 mail kernel: [ 360.367625] [<ffffffff81152800>] ? do_vfs_ioctl+0x2e0/0x4c0<br>Oct 29 17:01:58 mail kernel: [ 360.367638] [<ffffffff8105e3d4>] ? task_work_run+0xb4/0xf0<br>Oct 29 17:01:58 mail kernel: [ 360.367651] [<ffffffff81152a59>] ? SyS_ioctl+0x79/0x90<br>Oct 29 17:01:58 mail kernel: [ 360.367662] [<ffffffff814119e0>] ? int_signal+0x12/0x17<br>Oct 29 17:01:58 mail kernel: [ 360.367674] [<ffffffff81411796>] ? system_call_fastpath+0x16/0x1b<br><br>[ 418.302083] SysRq : Show Blocked State<br>[ 418.302096] task PC stack pid father<br>[ 418.302127] xfsdump D 0000000000000000 0 2549 2265 0x00000000<br>[ 418.302144] ffff8808110b8190 0000000000000082 ffff8807eb0e4800 ffff8807fa527fd8<br>[ 418.302163] ffff8808110b8190 000000000000a000 0000000000000296 000000007a9966c4<br>[ 418.302181] ffff8807fa557800 000000007a9966c4 ffff8807eb0e4800 7fffffffffffffff<br>[ 418.302200] Call Trace:<br>[ 418.302210] [<ffffffff814106ad>] ? schedule_timeout+0x15d/0x1b0<br>[ 418.302224] [<ffffffff8140f835>] ? __down+0x65/0xb0<br>[ 418.302237] [<ffffffff8107e09d>] ? down+0x3d/0x60<br>[ 418.302715] [<ffffffffa03637bd>] ? xfs_buf_lock+0x1d/0x40 [xfs]<br>[ 418.303160] [<ffffffffa0363975>] ? _xfs_buf_find+0x195/0x270 [xfs]<br>[ 418.303585] [<ffffffffa0363a71>] ? xfs_buf_get_map+0x21/0x120 [xfs]<br>[ 418.304007] [<ffffffffa03640ce>] ? xfs_buf_read_map+0x1e/0xc0 [xfs]<br>[ 418.304421] [<ffffffffa038c9db>] ? xfs_trans_read_buf_map+0x10b/0x300 [xfs]<br>[ 418.304837] [<ffffffffa0354440>] ? xfs_read_agi+0x80/0xb0 [xfs]<br>[ 418.305250] [<ffffffffa0354481>] ? xfs_ialloc_read_agi+0x11/0x70 [xfs]<br>[ 418.305664] [<ffffffffa0376532>] ? xfs_bulkstat+0x192/0x530 [xfs]<br>[ 418.306078] [<ffffffffa03761e0>] ? xfs_bulkstat_one_int+0x2e0/0x2e0 [xfs]<br>[ 418.306492] [<ffffffffa036bda2>] ? xfs_ioc_bulkstat+0xe2/0x1c0 [xfs]<br>[ 418.306939] [<ffffffffa036e518>] ? xfs_file_ioctl+0x7f8/0xab0 [xfs]<br>[ 418.307350] [<ffffffffa037221c>] ? xfs_iunlock+0x3c/0x80 [xfs]<br>[ 418.307754] [<ffffffffa0360ed5>] ? xfs_free_eofblocks+0xd5/0x2a0 [xfs]<br>[ 418.308163] [<ffffffff810f6834>] ? list_lru_add+0x64/0x100<br>[ 418.308567] [<ffffffff81152800>] ? do_vfs_ioctl+0x2e0/0x4c0<br>[ 418.308961] [<ffffffff8105e3d4>] ? task_work_run+0xb4/0xf0<br>[ 418.309352] [<ffffffff81152a59>] ? SyS_ioctl+0x79/0x90<br>[ 418.309734] [<ffffffff814119e0>] ? int_signal+0x12/0x17<br>[ 418.310113] [<ffffffff81411796>] ? system_call_fastpath+0x16/0x1b<br><br><br></div><div class="gmail_extra"><br><div class="gmail_quote">2014-10-29 15:51 GMT+08:00 Dave Chinner <span dir="ltr"><<a href="mailto:david@fromorbit.com" target="_blank">david@fromorbit.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Wed, Oct 29, 2014 at 02:46:33PM +0800, Tommy Wu wrote:<br>
> it will hang after this message (the kernel in above git repo):<br>
><br>
> /sbin/xfsdump: dumping non-directory files<br>
><br>
> console show the below message every 2 minutes:<br>
> [ 480.387308] INFO: task xfsdump:2717 blocked for more than 120 seconds.<br>
<br>
</span>I think there might be something else wrong with your system.<br>
<br>
What's the stack trace associated with that? If there's none,<br>
what's the output of 'echo w > /proc/sysrq-trigger' in dmesg?<br>
<div class="HOEnZb"><div class="h5"><br>
Cheers,<br>
<br>
Dave.<br>
--<br>
Dave Chinner<br>
<a href="mailto:david@fromorbit.com">david@fromorbit.com</a><br>
</div></div></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature"><br>Tommy Wu</div>
</div>