Re: [Qemu-devel] qemu seabios issue with vhost-scsi

[Paolo Bonzini]

----- Messaggio originale -----
> Da: "Stefan Hajnoczi" <address@hidden>
> A: "Paolo Bonzini" <address@hidden>
> Cc: "Badari Pulavarty" <address@hidden>, "Asias He" <address@hidden>, 
> "Nicholas A. Bellinger"
> <address@hidden>, "qemu-devel" <address@hidden>, "Gleb Natapov" 
> <address@hidden>
> Inviato: Giovedì, 23 maggio 2013 19:18:26
> Oggetto: Re: qemu seabios issue with vhost-scsi
> 
> On Thu, May 23, 2013 at 6:47 PM, Paolo Bonzini <address@hidden> wrote:
> > Il 23/05/2013 18:38, Badari Pulavarty ha scritto:
> >>> If that is with the old SeaBIOS, then SIGABRT is intended. :)  The guest
> >>> is buggy, the problem in QEMU only lies in _how_ it fails.
> >>>
> >>> Paolo
> >>>
> >>>
> >>
> >> I am confused now. Without above changes, seabios fix makes the
> >> guest boot. But with the above changes, I run into this (even with
> >> seabios fix)
> >
> > Ah, okay.  I understood it crashed only with the SeaBIOS fix.
> >
> > I'll work on a more proper fix then.
> 
> Maybe use the same approach as data plane - activate vhost when
> userspace sees the first virtqueue kick.  That way it works with weird
> guests and never aborts.

Good idea.

Paolo