From owner-freebsd-hackers  Mon Dec 17 10:50:43 2001
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Date: Mon, 17 Dec 2001 10:47:46 -0800 (PST)
From: John Baldwin <jhb@FreeBSD.org>
To: Martin Blapp <mb@imp.ch>
Subject: RE: deadlock with softupdates ?
Cc: freebsd-hackers@freebsd.org
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On 17-Dec-01 Martin Blapp wrote:
> 
> We have a newserver running here, which freezes
> every 2-3 days. Break into db is still possible.
> 
> It is a STABLE 4.4 machine, with new kernel.
> 
> NEWS # mount
> /dev/da0s1a on / (ufs, local, soft-updates)
> /dev/da0s1e on /var (ufs, local, soft-updates)
> /dev/da1s1e on /news (ufs, local, soft-updates)
> /dev/da2s1e on /news/spool/overview (ufs, local, soft-updates)
> procfs on /proc (procfs, local)
> /dev/twed0s1e on /news/spool/articles/1 (ufs, local, soft-updates)
> /dev/twed1s1e on /news/spool/articles/2 (ufs, local, soft-updates)
> 
> The latter two filesystems have 10 big files with the cyclic news
> filesystem on them. So we have a filesystem on a filesystem.

You have lots of processes blocked in 'inode'.  So it looks like it could be an
inode deadlock problem.  You might try mailing Kirk McKusick directly if he
doesn't respond to this.  Be sure and keep the debug kernel and crashdump image
around.

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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