Re: [Qemu-devel] Thanx for the kqemu patches; some notes about NetBSD/OpenBSD guests

[Mikolaj Kucharski]

Is there anything new for OpenBSD which I could help test? Patches in
OpenBSD CVS are for kqemu 1.3.0pre11, version 1.4.0pre1 doesn't work.

References
 1. http://www.openbsd.org/cgi-bin/cvsweb/ports/emulators/kqemu/

On Sun, May 31, 2009 at 04:41:33PM +0200, Juergen Lock wrote:
> On Sun, May 31, 2009 at 11:29:28AM +0200, Andreas Färber wrote:
> > Hi Jürgen,
> Hi!
> > 
> > Am 30.05.2009 um 22:51 schrieb Juergen Lock:
> > 
> > > I just committed Jan's kqemu patch series to the FreeBSD kqemu port
> > > (yes FreeBSD is another one of those `left behind' OSes where kvm
> > > doesn't really work yet...) - and I also committed an old NetBSD/ 
> > > OpenBSD
> > > guest kqemu patch,
> > >   http://lists.gnu.org/archive/html/qemu-devel/2007-11/msg00125.html
> > > and then played with a NetBSD guest in qemu 0.10.5 a little, where I
> > > found out a few things:
> > >
> > > 1. A few times I even got NetBSD 5.0/i386 running with -kernel-kqemu  
> > > now,
> > > tho a few other times I also got guest processes segfaulting etc.
> > > `Regualr' kqemu seems stable now tho.
> > 
> > Thanks for the pointer. I've pushed it to a pick-up branch for now to  
> > facilitate testing. Did you test non-BSD guests, too?
> > 
> Oh yes I tested Linux too (and FreeBSD), and I tested a Windows 7 beta
> guest that I had installed a while ago more out of curiosity than
> anything else, and that one seemed to bluescreen a little less than
> it used to also...  (it usually only bluescreen at boot and sometimes
> at shutdown, once it gets past the boot stage it keeps running, altho
> slowly.  Oh and -kernel-kqemu seems to always make it bluescreen so
> only `regular' kqemu is useful for that guest.)
> 
>  Everything else I tested seemed to still run like it used to, the
> Linux guests even _appeared_ to run a little faster than they used to,
> possibly because of the added verr/verw and lar/lsl handling in Jan's
> patches...
> 
> > I noticed that Adrian has patches for OpenBSD host support in their  
> > ports CVS repository, as pointed out by Mikolaj.
> > There appears to be some FreeBSD code in-tree though - so, is the  
> > above patch the only one you've queued, or do you have host patches as  
> > well that we could push "upstream"?
> 
>  I have a few more, as you can see on cvsweb:
>       
> http://www.freebsd.org/cgi/cvsweb.cgi/ports/emulators/kqemu-kmod-devel/files/
> (patch-tssworkaround is only applied for FreeBSD < 7.1 since later
> versions no longer have the issue it works around; look in that patch's
> commitlogs if you want links to the gory details...)
> 
>  Cheers,
>       Juergen

-- 
best regards
q#