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

[Stefan Weil <weil@mail.berlios.de>]

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.

Regards,
Stefan