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Date:      Fri, 21 Mar 2008 16:37:29 -0700
From:      Alfred Perlstein <alfred@freebsd.org>
To:        Gary Stanley <gary@velocity-servers.net>
Cc:        freebsd-threads@FreeBSD.org
Subject:   Re: Process stuck in STOP state
Message-ID:  <20080321233729.GM67856@elvis.mu.org>
In-Reply-To: <20080321233509.8B0EB8FC1F@mx1.freebsd.org>
References:  <20080321225853.C44968FC24@mx1.freebsd.org> <20080321232938.GK67856@elvis.mu.org> <20080321233509.8B0EB8FC1F@mx1.freebsd.org>

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* Gary Stanley <gary@velocity-servers.net> [080321 16:35] wrote:
> At 07:29 PM 3/21/2008, Alfred Perlstein wrote:
> >* Gary Stanley <gary@velocity-servers.net> [080321 15:59] wrote:
> >> Hello. Please CC me replies as I'm not subscribed to this list.
> >>
> >> I upgraded a machine from 6 to 7 recently, and I'm using libkse for
> >> mono 1.1.13.4. At least 1 time a day the process is stuck in
> >> the STOP state and is unkillable. procctl doesn't help, gdb won't
> >> attach to the process and ktrace/truss don't display any data.
> >>
> >> This only occurs on FreeBSD7 with libkse, I haven't tried libthr yet.
> >
> >1. Is this "FreeBSD-7-RELEASE" or FreeBSD-7-STABLE?
> >2. Are you using NFS?
> 
> I'm using -stable and I'm not using nfs.
> 
> I will try kris's suggestions about using libthr.

OK, if it still happens then please see if you can get into
ddb and give me a backtrace.  I've fixed this before (for
both libkse and libthr) for another scenario.

-Alfred



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