Re: [Xen-devel] Only CPU0 active after ACPI S3, xen 4.1.3

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 21.12.12 at 05:52, Marek Marczykowski <marmarek@xxxxxxxxxxxxxxxxxxxxxx> 
>>> wrote:
> On 21.12.2012 00:17, Marek Marczykowski wrote:
>> With this patch applied (on 4.1.4 and 4.3-unstable), I've got original 
> symptom
>> - only CPU0 active after ACPI S3. Didn't get reboot after few tries.
>> "xl debug-key r" output attached.
>> Anyway it looks like bug was introduced somehow between 4.1.2 and 4.1.3 - on
>> 4.1.2 none of above problems happened.
> 
> I've done bisect on xen 4.1 and found problematic commit:
> http://xenbits.xen.org/hg/xen-4.1-testing.hg/rev/1f95b55ef427 

In that case, using "sched_ratelimit_us=0" should make the
problem go away again - did you try that?

> Unfortunately in xen-unstable parent of corresponding commit still have the
> same problem, so there must be something more wrong.

Which is why we'd need to be really certain that the c/s you
spotted really is relevant here (to me it doesn't look like having
an effect on resume at all).

Jan


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