Messages in this thread | | | Date | Sun, 04 Nov 2007 15:48:12 +0300 | From | Michael Tokarev <> | Subject | Re: 2.6.23.1: mdadm/raid5 hung/d-state |
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Justin Piszcz wrote: > # ps auxww | grep D > USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND > root 273 0.0 0.0 0 0 ? D Oct21 14:40 [pdflush] > root 274 0.0 0.0 0 0 ? D Oct21 13:00 [pdflush] > > After several days/weeks, this is the second time this has happened, > while doing regular file I/O (decompressing a file), everything on the > device went into D-state.
The next time you come across something like that, do a SysRq-T dump and post that. It shows a stack trace of all processes - and in particular, where exactly each task is stuck.
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