Re: Re: PV on HVM guest hang...

[Mukesh Rathor <mukesh.rathor@oracle.com>]

Keir Fraser wrote:
 > On 25/9/08 20:10, "Mukesh Rathor" <mukesh.rathor@oracle.com> wrote:
 >
 >> This seems to work, but not sure if it's the best fix, and currently waiting
 >> for feedback from intel, and others here now.
 >
 > The fix is bogus since assertion of a GSI (basically an IO-APIC input pin)
 > should not be dependent on whether the pin is masked in the IO-APIC -- the
 > input pin 'voltage level' is obviously not affected by the
 > masked/not-masked.

yeah, it was a shot in the dark... forgot lot of that since college :)..

 > This is *supposed* to just work (assuming it is the PV-on-HVM IRQ that is
 > getting stuck asserted). See the explicit logic to deassert and then
 > reassert the PV-on-HVM INTx line in irq_save_pci().
 >
 > My guess would be that you are using 3.1 branch, where that fix was never
 > applied (not sure why; possibly I missed it by accident). You want changeset
 > 15691 from xen-unstable.hg.

Correct, 3.1.4. Got the changeset, and looks like it's fixed now.
Thanks as always... Mukesh


 >  -- Keir
 >