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Re: [Qemu-devel] Breakage with local APIC routing
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] Breakage with local APIC routing |
Date: |
Sun, 17 Aug 2008 22:23:58 +0200 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
On Sun, Aug 17, 2008 at 07:32:28PM +0200, Stefan Weil wrote:
> Johannes Schindelin schrieb:
> > Hi,
> >
> > due to the change in revision 3371 (well, at that time, CVS was used,
> > which was no better than Subversion) installation of win64 is broken in
> > QEmu. The commit message reads like this:
> >
> > Don't route PIC interrupts through the local APIC if the local
> > APIC config says so. By Ari Kivity.
> >
> > A bit of research showed that the patch was actually originally from Qing
> > He, but he told me privately that the part that actually broke win64 (the
> > removal of the call to cpu_reset_interrupt(), as opposed to moving that
> > call into the "else" condition) was not part of his patch.
> >
> > Unfortunately, a lot has been done to the APIC handling in the meantime,
> > so it is not a simple matter of a revert.
> >
> > Being a complete idiot when it comes to APICs, I have no clue how to fix
> > the issue.
> >
> > However, I am quite willing to test whatever patch is thrown at me.
> >
> > Can somebody help?
> >
> > Thanks,
> > Dscho
> See also http://article.gmane.org/gmane.comp.emulators.qemu/24739.
> EFI BIOS is affected by the same problem.
>
With the difference that the patch proposed in this thread actually
fixes the problem in case of the EFI BIOS.
--
.''`. Aurelien Jarno | GPG: 1024D/F1BCDB73
: :' : Debian developer | Electrical Engineer
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