LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Eric Buddington <ebuddington@verizon.net>
To: Pete Zaitcev <zaitcev@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: USB misbehavior causes system hang
Date: Thu, 01 Mar 2007 08:39:07 -0500	[thread overview]
Message-ID: <20070301133857.GA4068@pool-71-161-135-187.spfdma.east.verizon.net> (raw)
In-Reply-To: <20070227134940.63736039.zaitcev@redhat.com>

On Tue, Feb 27, 2007 at 01:49:40PM -0800, Pete Zaitcev wrote:
> However, the main issue here is the OOM with all the dirty data.
> We saw that before. For some weird reason, ext3 is especially good
> at producing the immense amounts of write-out. Are you on ext3 or
> VFAT on that drive?

Reiser4.

> Please try to find the CPU traces by hitting SysRq-w, SysRq-p. CPU
> is looping under a lock somewhere and eventually it cases the watchdog
> to trigger. It may be a USB issue, maybe a VM issue. I can't tell
> until we get stack traces.

I can log the dmesg's via netconsole, but I'm often not at the
computer to use SysRq. I've just discovered /proc/sysrq-trigger, which
I can maybe use from a script that watches dmesg. I'll report back if
I can catch the dumps.

-Eric




  reply	other threads:[~2007-03-01 13:39 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-27 14:06 Eric Buddington
2007-02-27 14:15 ` Oliver Neukum
2007-02-27 21:49 ` Pete Zaitcev
2007-03-01 13:39   ` Eric Buddington [this message]
2007-03-05 10:17 ` Andrew Morton
2007-03-05 16:55   ` Eric Buddington

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=20070301133857.GA4068@pool-71-161-135-187.spfdma.east.verizon.net \
    --to=ebuddington@verizon.net \
    --cc=ebuddington@wesleyan.edu \
    --cc=linux-kernel@vger.kernel.org \
    --cc=zaitcev@redhat.com \
    --subject='Re: USB misbehavior causes system hang' \
    /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

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).