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March 2009

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Subject:
From:
Troy Dawson <[log in to unmask]>
Reply To:
Troy Dawson <[log in to unmask]>
Date:
Mon, 2 Mar 2009 09:09:45 -0600
Content-Type:
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Hello,
Thank you for testing, and for all the others who have tested.
I am not sure why cpuspeed it isn't failling on a CentOS machine, but 
there have been several tests on pure SL machine's.
I also was able to find a machine to do some tests over the weekend and 
gave it a wide battery of tests.
I think the most important test was that installing the newer cpuspeed 
doesn't break anything on the older kernels.  That was my biggest 
concern.  So I will be pushing out the newer cpuspeed out today into the 
security errata.  It is marked as a security errata because a real 
security errata has a dependancy on it.
Thanks
Troy

J S Jayakumar wrote:
> 
> ------------------------------------------------------------------------
> 
> Subject:
> Re: kernel 2.6.18-128.1.1.el5
> From:
> J S Jayakumar <[log in to unmask]>
> Date:
> Mon, 2 Mar 2009 03:58:54 -0600
> To:
> Troy J Dawson <[log in to unmask]>
> 
> To:
> Troy J Dawson <[log in to unmask]>
> 
> 
> Dear Troy,
> 
>  I hv tested the cpuspeed rpm   cpuspeed-1.2.1-5.el5.x86_64 as you 
> suggested for kernel 2.6.18-128.1.1.el5 and IS WORKING FINE.
> 
> Thanks.
> 
> J S Jayakumar
> 
> Troy Dawson wrote:
>> I *think* what has to happen is we need to push out the new cpuspeed 
>> that is in SL 5.3 to everyone
>>
>> https://bugzilla.redhat.com/show_bug.cgi?id=459441
>> http://rhn.redhat.com/errata/RHEA-2009-0098.html
>>
>> Basically, it looks like what happened was the powernow-k8 changes 
>> from being built into the kernel to a kernel module.  And the cpuspeed 
>> needed to be changed to understand this.
>>
>> Can someone test this out and see if it works for them.
>>
>> i386:
>> http://ftp.scientificlinux.org/linux/scientific/5rolling/i386/SL/cpuspeed-1.2.1-5.el5.i386.rpm 
>>
>> x86_64:
>> http://ftp.scientificlinux.org/linux/scientific/5rolling/x86_64/SL/cpuspeed-1.2.1-5.el5.x86_64.rpm 
>>
>>
>> Troy
>>
>> Dusan Bruncko wrote:
>>> Dear Troy,
>>>
>>> it is true also for i386 ...
>>>
>>> Dusan
>>>
>>> J S Jayakumar wrote:
>>>> Dear Troy,
>>>>
>>>>    unfortunately kernel  2.6.18-128.1.1.el5  does not support cpu 
>>>> frequency scaling on AMD64 cpus.  We were using this feature on all 
>>>> of our machines with the previous kernels.  Any solution to this 
>>>> problem?
>>>>
>>>> J S Jayakumar
>>
> 
> 


-- 
__________________________________________________
Troy Dawson  [log in to unmask]  (630)840-6468
Fermilab  ComputingDivision/LCSI/CSI DSS Group
__________________________________________________

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