Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 16 May 2005 12:43:21 -0700
From:      Kris Kennaway <kris@obsecurity.org>
To:        othermark <atkin901@yahoo.com>
Cc:        freebsd-current@freebsd.org
Subject:   Re: SMP hard lock with libpthread (thread X holds Y but isn't blocked on a lock)
Message-ID:  <20050516194321.GB67032@xor.obsecurity.org>
In-Reply-To: <d6aef1$bmc$1@sea.gmane.org>
References:  <d6aef1$bmc$1@sea.gmane.org>

next in thread | previous in thread | raw e-mail | index | archive | help

--7ZAtKRhVyVSsbBD2
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline

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

--7ZAtKRhVyVSsbBD2
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.1 (FreeBSD)

iD8DBQFCiPfYWry0BWjoQKURAm2lAJ9UpbQ8emoglauNGbLJMj03cIEyQwCfYsYi
VXZ47t1AtaocDPuVqXJQDMk=
=0kzZ
-----END PGP SIGNATURE-----

--7ZAtKRhVyVSsbBD2--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050516194321.GB67032>