Re: [Xen-devel] pvops domu soft lockup under load (more logs)

[Pim van Riezen <pi+lists@xxxxxxxxxxxx>]

On Apr 16, 2010, at 15:19 , Pim van Riezen wrote:

> 
> On Apr 16, 2010, at 9:37 , Pim van Riezen wrote:
> 
>> Another datapoint. This customer has similarly loaded VPS machines on a 
>> number of different hardware nodes. Not all of them had the lockup problem. 
>> I applied the jiffies clocksource to all his machines, regardless of their 
>> current problem status. After a day without lockups, the customer complained 
>> about time drift (ntp was not activated). The guest that had experienced the 
>> soft lockups earlier had major clock drift and were way ahead:
>> 
>>      16 Apr 09:29:26 ntpdate[11236]: step time server 194.109.22.18 offset 
>> -7337.731686 sec 
> 
> 2.6.32.11 fixes the excessive drifting.

Sorry I spoke to soon. Investigating.

Pi


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