[SeaBIOS] [PATCH] acpi: fix irq 8 ressource conflict
gleb at redhat.com
Thu Dec 6 08:33:50 CET 2012
On Wed, Dec 05, 2012 at 05:28:31PM -0500, Kevin O'Connor wrote:
> On Wed, Dec 05, 2012 at 01:18:48PM -0500, Jason Baron wrote:
> > On Wed, Dec 05, 2012 at 10:13:57AM +0100, Gerd Hoffmann wrote:
> > > Both hpet and rtc have irq 8 in their ressources, making windows unhappy
> > > because of the conflict. Fix this by making rtc check whenever the hpet
> > > is present, and claim irq 8 only in case it isn't. So rtc gets irq 8
> > > only in case you start qemu with the -no-hpet switch.
> > >
> > > Verified working in both linux (check pnp boot messages) and windows
> > > (check rtc ressources in device manager) guests.
> > >
> > Resolves the Windows 7 RTC resource conflict on Q35 as well.
> > However, Windows XP continues to blue screen on boot as I reported, and
> > Brad also posted (for both piix and q35).
> Looks like a regression caused by
> d9f5cdbdf55d61aef9a1a534d9123ef734427478 - I'll revert that patch if
> no fix is found.
If it was copied from real HW can we check that XP runs on this HW?
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