Paolo Bonzini <pbonz...@redhat.com> writes: > Il 27/08/2012 15:55, Anthony Liguori ha scritto: >>> > This patch provides a way to optionally suppress spurious interrupts, >>> > as a workaround for systems described below: >>> > >>> > Some old operating systems do not handle spurious interrupts well, >>> > and qemu tends to generate them significantly more often than >>> > real hardware. >> This is the wrong approach. You add a LostTickPolicy property to the >> i8259 device. > > Isn't the i8254 the one that would need a LostTickPolicy?
You're right, I too quickly read this patch and misunderstood what it's doing. Regards, Anthony Liguori > > But this seems like a bug that is either in the i8259 emulation, or in > the firmware. Your own suggestion of setting IRQ2 to level-triggered in > SeaBIOS is definitely a good one. > > Paolo
