Re: [Xen-devel] [Xen-users] Re: Xen 4 TSC problems

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 23.10.12 at 10:40, Mauro <mrsanna1@xxxxxxxxx> wrote:
> On 23 October 2012 09:58, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>>>>> On 23.10.12 at 09:18, Mauro <mrsanna1@xxxxxxxxx> wrote:
>>>>  A kernel run with no Xen underneath it.
>>>
>>> Here is:
>>>
>>> uname -a
>>> Linux xen-p02 2.6.32-5-amd64 #1 SMP Sun Sep 23 10:07:46 UTC 2012
>>> x86_64 GNU/Linux
>>
>> I'm sorry to say that, but 2.6.32 is nowhere close to "recent" (as
>> I had asked for).
> 
> Sorry I'm using squeeze in production servers and I don't have a test
> machine on which install wheezy.

And can't/don't want to install a self-built kernel?

> There's nothing else I can do?

I told you yesterday what less invasive command line options you
could try. Plus in an earlier mail today I also asked for specific
information on which C-states the native kernel uses. If all you've
got is 2.6.32, obtaining the information there is better than nothing.

Jan

> As reported before with the workaround cpuidle=0 I don't have any problem 
> now.




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