cvs commit: src/sys/kern vfs_bio.c

[Kris Kennaway]

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?
> 
> I thought that might be it, too.  I tried it with 6.0-BETA5 on QEMU 
> but no change. :-(

This patch is not part of 6.0-BETA5.

Kris
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