Re: Only CPU0 active after ACPI S3, xen 4.1.3

[Marek Marczykowski <marmarek@invisiblethingslab.com>]

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On 21.12.2012 14:42, Jan Beulich wrote:
>>>> On 21.12.12 at 14:33, Marek Marczykowski <marmarek@invisiblethingslab.com>
> wrote:
>> On 21.12.2012 09:55, Jan Beulich wrote:
>>>>>> On 21.12.12 at 05:52, Marek Marczykowski <marmarek@invisiblethingslab.com> 
>> 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?
>>
>> This option does not help when trying 4.1.4, but does when trying xen 
>> compiled
>> from above c/s.
> 
> Which basically calls for you doing another bisection round, this
> time with that option in place.

Will try, but not sure if will have time for it before Christmas.

> 
> But for the moment, as said earlier, it escapes me how that change
> would have an impact on resume (the more that we have no logs).
> Will need to look at this in closer detail after New Year (and George,
> maybe you could take a look too).
> 
> You don't happen to use "dom0_vcpus_pin", do you?

I don't. Should I try?

-- 
Best Regards / Pozdrawiam,
Marek Marczykowski
Invisible Things Lab


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