Re: [Xen-devel] [PATCH] Fix softlockup issue after vcpu hotplug

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 30/1/07 1:09 pm, "Tian, Kevin" <kevin.tian@xxxxxxxxx> wrote:

>> I'm sure this will fix the issue. But who knows what real underlying issue
>> it might be hiding?
>> 
>> -- Keir
> 
> I'm not sure whether it hides something. But the current situation
> seems like a self-trap to me: watchdog waits for timer interrupt to be
> awaken in 1s interval, while timer interrupt deliberately schedules a
> longer interval without considering watchdog and then blames
> watchdog thread not running within 10s. :-)

Actually I think you're right -- if this fixes the issue then it points to a
problem in the next_timer_event code. So it would actually be interesting to
try clamping the timeout to one second.

 -- Keir



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel