cvs commit: src/sys/kern vfs_bio.c

Jung-uk Kim jkim at FreeBSD.org
Thu Sep 29 09:00:47 PDT 2005


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. :-(

Jung-uk Kim


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