From: David Rees <dbr@greenhydrant.com>
To: linux-kernel@vger.kernel.org
Subject: Re: bdflush and postgres stuck in D state
Date: Tue, 18 Sep 2001 14:08:20 -0700 [thread overview]
Message-ID: <20010918140820.A17263@greenhydrant.com> (raw)
In-Reply-To: <20010918125605.F29908@unthought.net>, <20010918125605.F29908@unthought.net>; <20010918193023.P29908@unthought.net> <3BA78916.2984B011@zip.com.au>
In-Reply-To: <3BA78916.2984B011@zip.com.au>; from akpm@zip.com.au on Tue, Sep 18, 2001 at 10:49:10AM -0700
On Tue, Sep 18, 2001 at 10:49:10AM -0700, Andrew Morton wrote:
> Jakob Østergaard wrote:
> >
> > Sorry for following up on my own post, I have a little extra
> > information.
> >
> > I started a g++ job to try to force the machine to write out some dirty
> > buffers before I reboot. g++ now hangs along with two sync's, bdflush
> > and the postgres process.
> >
>
> Since 2.4.7 several bugs have been fixed in RAID1 which would
> cause this, including a missing blockdevice unplug and failure
> to hang onto the supposedly-reserved RAID1 buffer-heads.
Even kernels as recent as 2.4.9 have this bug. See this thread for more
info and a patch which fixes this bug.
The thread:
http://marc.theaimsgroup.com/?t=99911655500004&w=2&r=1
The patch:
http://marc.theaimsgroup.com/?l=linux-kernel&m=99913223508789&w=2
-Dave
next prev parent reply other threads:[~2001-09-18 21:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-18 10:56 bdflush and postgres stuck in D state Jakob Østergaard
2001-09-18 17:30 ` Jakob Østergaard
2001-09-18 17:49 ` Andrew Morton
2001-09-18 21:08 ` David Rees [this message]
2001-09-19 9:26 ` Jakob Østergaard
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