Re: [Xen-devel] [PATCH] x86/HPET: mask interrupt while changing affinity

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 19.03.13 at 16:53, Sander Eikelenboom <linux@xxxxxxxxxxxxxx> wrote:
> Could this change have a averse affect on AMD systems ?

It shouldn't, ...

> With this patch booting the dom0 kernel slowly seems to come to a halt 
> (sometime trying to mount rootfs, sometimes a little further trying to bring 
> networking up.)

... but apparently does (apart from also having the intended effect
of eliminating vector-without-IRQ warnings). But it's not obvious
how that would be - after all, the two added calls should be pretty
benign performance wise.

> I don't see any evident warnings or errors, reverting this commit makes the 
> system boot OK again.

Does the watchdog work on it? If so, could you see whether enabling
that catches something? Or else, do the debug keys still work when
the box stopped?

Jan


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