Re: [Qemu-devel] Breakage with local APIC routing

[Aurelien Jarno]

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
 `. `'   address@hidden         | address@hidden
   `-    people.debian.org/~aurel32 | www.aurel32.net