From: Kay Sievers <kay.sievers@vrfy.org>
To: linux-hotplug@vger.kernel.org
Subject: Re: Hanging udev process on nfs-mounted /dev
Date: Wed, 29 Sep 2004 23:39:46 +0000 [thread overview]
Message-ID: <1096501186.4424.20.camel@localhost.localdomain> (raw)
In-Reply-To: <415980BF.1020401@bio.ifi.lmu.de>
On Wed, 2004-09-29 at 10:18 -0700, Greg KH wrote:
> On Tue, Sep 28, 2004 at 05:18:23PM +0200, Frank Steiner wrote:
> > Hi,
> >
> > I also sent this to the NFS list, because I'm not sure if this is an
> > NFS or an udev problem. I hope it's ok to ask here!
> >
> >
> > The issue:
> > =====
> > From time to time some udev process goes mad and comsumes allmost all
> > the CPU power, making the whole system terribly slow.
>
> This isn't a NFS specific bug. I've had a number of reports of this in
> the past. It traces itself back to a tdb "issue" that the internal
> database links are getting messed up and looping on themselves wrongly.
Seems we have two different problems here, one that sounds like a loop
consuming all the CPU and onother one, like the trace, which looks like
a F_SETLKW deadlock.
The traces are indicating a deadlock, where processes are simply waiting
for each other for a write-lock on the udev.tdb to be released.
Kay
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next prev parent reply other threads:[~2004-09-29 23:39 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-28 15:18 Hanging udev process on nfs-mounted /dev Frank Steiner
2004-09-29 17:18 ` Greg KH
2004-09-29 23:39 ` Kay Sievers [this message]
2004-09-30 2:11 ` Kay Sievers
2004-09-30 6:18 ` Frank Steiner
2004-09-30 6:21 ` Frank Steiner
2004-09-30 14:07 ` Kay Sievers
2004-10-01 6:25 ` Frank Steiner
2004-10-01 7:36 ` Kay Sievers
2004-10-01 7:38 ` Frank Steiner
2004-10-01 7:55 ` Frank Steiner
2004-10-01 8:08 ` Kay Sievers
2004-10-01 9:43 ` Frank Steiner
2004-10-01 9:57 ` Kay Sievers
2004-10-01 10:43 ` Kay Sievers
2004-10-01 22:18 ` Kay Sievers
2004-10-03 21:10 ` Frank Steiner
2004-10-03 23:07 ` Kay Sievers
2004-10-04 6:15 ` Frank Steiner
2004-10-04 14:19 ` Kay Sievers
2004-10-04 14:53 ` Frank Steiner
2004-10-05 15:37 ` Kay Sievers
2004-10-06 6:06 ` Frank Steiner
2004-10-06 12:00 ` Kay Sievers
2004-10-06 12:29 ` Frank Steiner
2004-10-08 5:59 ` Frank Steiner
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