[PATCH] Fix QEMU crash on amd64

[Jung-uk Kim]

On Wednesday 31 January 2007 06:42 pm, Juergen Lock wrote:
> On Wed, Jan 31, 2007 at 05:38:50PM -0500, Jung-uk Kim wrote:
> > I have been experiencing QEMU crash on FreeBSD/amd64 host ever
> > since Fabrice had added SMP support.  Recently it was reported on
> > QEMU development mailing list:
> >
> > http://lists.gnu.org/archive/html/qemu-devel/2007-01/msg00285.htm
> >l
> >
> > For more than a year, I have been running QEMU with SMP support
> > disabled because of this issue.  Today I finally found some time
> > to tackle this and got a fix.
>
> Thank you, committed! :)

Great!

>  I was just trying to find the cause to this (I actually installed
> -current in qemu even tho I previously didn't have much luck
> running qemu inside qemu, and indeed I was able to reproduce the
> problem.) It's funny that the upper half of rbx apparently only
> gets spilled on -current, even tho T0 (== AREG1 == rbx) certainly
> doesn't fit into an int...

:-)  I was very surprised to find it myself.

>  Will you post on the qemu list or should I?

Somehow I cannot send/receive anything from the ML any more, and yes, 
I have subscribed. :-(  So, please do.

Thanks,

Jung-uk Kim