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xen-devel
Re: [Xen-devel] Test results on Unisys ES7000 64x 256gb using unstablec/
Keir Fraser wrote:
> On 31/1/08 18:12, "Bill Burns" <bburns@xxxxxxxxxx> wrote:
>
>> I instrumented read_pmtimer_count and it does get called a couple
>> of times during startup and it returns an increasing value. I made
>> no attempt to determine if the rate was correct.
>>
>> I also tried the 3.1.3 and 3.2.0 Hypervisors and they exhibit
>> the same problem on the es7000.
>>
>> It's not clear if is this a platform specific problem
>> or not. So far the only reports of the problem are on the
>> es7000. So for now I am running the attached patch to
>> avoid the pmtimer on es7000 only.
>
> Fair enough, but obviously this does need to be fixed: while not understood
> it could point to any amount of other badness or corruption happening in the
> background that we simply have not yet discovered.
>
> -- Keir
>
I am hoping to get some feedback on a similar large
system. Limiting dom0 memory seems to be the standard
operating procedure on large memory systems so if it's
a common problem then it's being masked.
Bill
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