Date: Thu, 29 Sep 2005 12:33:50 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Jung-uk Kim <jkim@FreeBSD.org> Cc: Peter Edwards <peadar@FreeBSD.org>, cvs-src@FreeBSD.org, src-committers@FreeBSD.org, Pawel Jakub Dawidek <pjd@FreeBSD.org>, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern vfs_bio.c Message-ID: <20050929163350.GA53677@xor.obsecurity.org> In-Reply-To: <200509291200.29735.jkim@FreeBSD.org> References: <200509291037.j8TAbKdI010227@repoman.freebsd.org> <20050929130338.GC1715@garage.freebsd.pl> <200509291200.29735.jkim@FreeBSD.org>
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--XsQoSWH+UP9D9v3l Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 29, 2005 at 12:00:26PM -0400, Jung-uk Kim wrote: > On Thursday 29 September 2005 09:03 am, Pawel Jakub Dawidek wrote: > > On Thu, Sep 29, 2005 at 10:37:20AM +0000, Peter Edwards wrote: > > +> peadar 2005-09-29 10:37:20 UTC > > +> > > +> FreeBSD src repository > > +> > > +> Modified files: > > +> sys/kern vfs_bio.c > > +> Log: > > +> Close a race in biodone(), whereby the bio_done field of the > > passed +> bio may have been freed and reassigned by the wakeup > > before being +> tested after releasing the bdonelock. > > +> > > +> There's a non-zero chance this is the cause of a few of the > > crashes +> knocking around with biodone() sitting in the stack > > backtrace. > > > > Should this fix the panic on boot in vmware? >=20 > I thought that might be it, too. I tried it with 6.0-BETA5 on QEMU=20 > but no change. :-( This patch is not part of 6.0-BETA5. Kris --XsQoSWH+UP9D9v3l Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDPBdtWry0BWjoQKURAnaoAJ920TDdOdzTLDcIqEBKWqEtLyV77ACg2zsB z3OEfCVt6kj3M8kDPDCKUVk= =FOJ3 -----END PGP SIGNATURE----- --XsQoSWH+UP9D9v3l--
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