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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>
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Cc: freebsd-threads@FreeBSD.org
Subject: Re: Process stuck in STOP state
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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