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Date: Wed, 17 Nov 2004 08:28:08 -0500
From: Brian Fundakowski Feldman <green@freebsd.org>
To: Alexey Dokuchaev <danfe@nsu.ru>
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References: <20041115120355.GA74977@regency.nsu.ru>
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cc: current@freebsd.org
Subject: Re: 6-CURRENT, threads, hangs are still there
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On Mon, Nov 15, 2004 at 06:03:55PM +0600, Alexey Dokuchaev wrote:
> Hello there,
> 
> Updated world + kernel on Nov 12.  Sticking to ULE + PREEMPTION + DEBUG
> STUFF in kernel.  Running sim, psi, xmms, mozilla etc. hangs on startup,
> unless `libpthread' mapped to `libc_r' via /etc/libmap.conf.
> GDB is unable to attach, process is unkillable even with SIGKILL.
> Very reproducible.  CPU: Intel 2.8GHz, HTT enabled.
> 
> Does anyone have a clue on this?  Using ULE on purpose to help hunt down
> its bugs.  What debugging info can/should I get?
> 
> Thanks.  Dmesg et al. available on demand.

Out of curiousity, as I'm in no position to hack on this stuff now either,
does it happen without PREEMPTION?  Does it happen if you force libpthread
to single-cpu-threading?

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green@FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\