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Date: Mon, 16 May 2005 12:43:21 -0700
From: Kris Kennaway <kris@obsecurity.org>
To: othermark <atkin901@yahoo.com>
Message-ID: <20050516194321.GB67032@xor.obsecurity.org>
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cc: freebsd-current@freebsd.org
Subject: Re: SMP hard lock with libpthread (thread X holds Y but isn't
	blocked on a lock)
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On Mon, May 16, 2005 at 08:33:14AM -0700, othermark wrote:
> I have an application that uses shared memory/threads and is linked with
> libpthread, running on May 10 -current.  Every time I run it, after a few
> minutes *poof* hard lock on a SMP box.  All debug options are enabled in
> the kernel, but it won't break to debugger.  Here's what appears on the
> console, and addr2line output follows:

Try the NMI debugger patches, which might be sufficient to get it into DDB.

Kris

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