[SeaBIOS] [PATCH] acpi: fix irq 8 ressource conflict

Jason Baron jbaron at redhat.com
Wed Dec 5 19:18:48 CET 2012

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).



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