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

[Sander Eikelenboom <linux@xxxxxxxxxxxxxx>]

Tuesday, March 19, 2013, 5:00:33 PM, you wrote:

>>>> 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?

Yes they still work, and somehow using the debug keys seems to make it continu 
for a bit (slowly and ending up in infinite loop printing firewall messages)

Serial log attached, hope i have used the debug keys you are interested in, if 
not please do specify ...

--
Sander


> Jan

Attachment: timer.log
Description: Binary data

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