All of lore.kernel.org
 help / color / mirror / Atom feed
From: Michael Tokarev <mjt@tls.msk.ru>
To: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org
Subject: Re: 2.6.23.1: mdadm/raid5 hung/d-state
Date: Sun, 04 Nov 2007 15:48:12 +0300	[thread overview]
Message-ID: <472DBF8C.2060508@msgid.tls.msk.ru> (raw)
In-Reply-To: <Pine.LNX.4.64.0711040658180.30831@p34.internal.lan>

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.

/mjt

  parent reply	other threads:[~2007-11-04 12:48 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-04 12:03 2.6.23.1: mdadm/raid5 hung/d-state Justin Piszcz
2007-11-04 12:39 ` 2.6.23.1: mdadm/raid5 hung/d-state (md3_raid5 stuck in endless loop?) Justin Piszcz
2007-11-04 12:48 ` Michael Tokarev [this message]
2007-11-04 12:52   ` 2.6.23.1: mdadm/raid5 hung/d-state Justin Piszcz
2007-11-04 14:55     ` Michael Tokarev
2007-11-04 14:59       ` Justin Piszcz
2007-11-04 18:17       ` BERTRAND Joël
2007-11-04 21:40       ` David Greaves
2007-11-04 13:40 ` BERTRAND Joël
2007-11-04 13:42   ` Justin Piszcz
2007-11-04 21:49 ` Neil Brown
2007-11-04 21:51   ` Justin Piszcz
2007-11-05 18:35     ` Dan Williams
2007-11-05 18:35       ` Dan Williams
2007-11-05 18:35       ` Justin Piszcz
2007-11-06  0:19         ` Dan Williams
2007-11-06 10:19           ` BERTRAND Joël
2007-11-06 11:29             ` Justin Piszcz
2007-11-06 11:39               ` BERTRAND Joël
2007-11-06 11:39                 ` BERTRAND Joël
2007-11-06 11:42                 ` Justin Piszcz
2007-11-06 12:20                   ` BERTRAND Joël
2007-11-06 12:20                     ` BERTRAND Joël
2007-11-07  1:25             ` Dan Williams
2007-11-07  5:00               ` Jeff Lessem
2007-11-08 17:45                 ` Bill Davidsen
2007-11-08 18:02                   ` Dan Williams
2007-11-09 20:36                     ` Jeff Lessem
2007-11-08 21:40                 ` Carlos Carvalho
2007-11-09  9:14                   ` Justin Piszcz
2007-11-09 14:09                     ` Fabiano Silva
2007-11-07 11:20               ` BERTRAND Joël
2007-11-07 11:20                 ` BERTRAND Joël
2007-11-06 23:18       ` Jeff Lessem
2007-11-05  8:36   ` BERTRAND Joël
2007-11-07 16:39     ` Chuck Ebbert
2007-11-07 16:39       ` Chuck Ebbert
2007-11-07 16:48       ` BERTRAND Joël
2007-11-07 16:48         ` BERTRAND Joël
2007-11-08 11:42         ` BERTRAND Joël
2007-11-08 11:42           ` BERTRAND Joël
2007-11-08 12:44           ` Justin Piszcz

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=472DBF8C.2060508@msgid.tls.msk.ru \
    --to=mjt@tls.msk.ru \
    --cc=jpiszcz@lucidpixels.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-raid@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.