Mark,
Thanks for the information. Do you have any information about the
Turion X2? Are the TL-60 and up going to have the fix? I assume that
the Athlon X2 6000+ and up will have the fix. Thanks.
-LSA
Mark Haywood wrote:
> list.serv.address wrote:
>> On the topic,
>> Does anyone know if the new Phenom (Quad core AMD brand) chips
>> will have the same power stepping issues as the X2 AMD chips do? Are
>> any of the newer AMD X2 chip revisions going to fix this issue?
>
> The Phenom Quad-Core processors are based on the K10 microarchitecture
> (also known as Family 10h Processors) and should not have the TSC issues
> found with K8 (Family 0Fh Processors). I believe that the Athlon X2
> 6-series will be K10 based. Power management support for K10 processors
> integrated into Nevada build 80.
>
> Mark
>
>> There is an issue with the AMDs TSC register that won't be fixed
>> in the current generation of chips. So, the general suggestion was to
>> stay away from purchasing the current AMD X2 procesors since they will
>> probably never support power management. The Intels are the ones that
>> are getting the attention with regards to power management, since, if
>> I understand the issue correctly, they do not have the problem. If
>> the newer AMD X2 chips fix this, the story may change. See Casper's
>> response attached.
>>
>> -LSA
>>
>> Attached: Casper's message on 06/13/2007 09:58 AM
>>
>> > >any ideas if in the future we could see powernowd supporting AMD
>> X2 or Opteron dual core systems ?
>>
>>
>> "Never" would be my best guess, for current hardware.
>>
>> The reason is that Solaris is heavily dependent on the TSC register
>> and expects the value of different CPUs to be in sync to a certain
>> degree (fixed difference).
>>
>> Unfortunately, with the current Dual Core AMD CPUs, the TSC register
>> varies with the clock frequencies; you can see in the current powernow
>> code that it goes through some pretty hairy loops to "make it right"
>> (much to the chagrin of DTrace which bypasses the standard calls and
>> can't be "made right" using a loadable kernel module)
>>
>> Solaris will shortly support clock switching on Intel Core-duo CPUs;
>> but no clock switching at all on AMD CPUs until newer CPUs are out.
>>
>> Casper
>> _______________________________________________
>> laptop-discuss mailing list
>> [EMAIL PROTECTED]
>>
>>
>>
>> ken mays wrote:
>>> By the way,
>>>
>>> I should mention the newer 3-GHz Intel X6850 quad-processor before
>>> the sun goes down on my little part of the world. That may be the
>>> current contender for the AMD Phenom.
>>>
>>> ~ Ken
>>>
>>>
>>>
>>> ----- Original Message ----
>>> From: ken mays <[EMAIL PROTECTED]>
>>> To: Dennis Clarke <[EMAIL PROTECTED]>; Andrew Watkins
>>> <[EMAIL PROTECTED]>
>>> Cc: [email protected]
>>> Sent: Wednesday, October 24, 2007 6:40:56 PM
>>> Subject: Re: [osol-discuss] Will OpenSolaris work on a intel desktop
>>> Quad processor
>>>
>>> Dennis,
>>>
>>> The 8-core single processor market dominates. You also have the new
>>> Quad-core AMD Phenom which will be officially out soon and the Intel
>>> Q6700 processor. A dual Quad-Core processor server will be a very
>>> nice machine for someone with the use.
>>>
>>> As my wallet bursts into flames, I'd look into those Quad processors
>>> for commodity sake...
>>>
>>> ~ Ken
>>>
>>> ----- Original Message ----
>>> From: Dennis Clarke <[EMAIL PROTECTED]>
>>> To: Andrew Watkins <[EMAIL PROTECTED]>
>>> Cc: [email protected]
>>> Sent: Wednesday, October 24, 2007 9:37:27 AM
>>> Subject: Re: [osol-discuss] Will OpenSolaris work on a intel desktop
>>> Quad processor
>>>
>>>
>>>> I am finally biting the bullet and ditching my work machine - a 9 year
>>>> old Ultra 10 - for a new system I thought I would go for the fastest
>>>> cpu
>>>> on the market.
>>> At the risk of getting into endless loops of debates about "fast" I just
>>> have to ask why you think that is the fastest processor in the market?
>>>
>>> When you get it .. run the Radiance benchmark which is heavy number
>>> crunching and then we shall see. Thus far no one and nothing can
>>> touch an
>>> AMD Opteron running Solaris 10.
>>>
>>> see : http://www.blastwave.org/articles/BLS-0059/index.html
>>>
>>>
>>> Dennis
>>>
>>> _______________________________________________
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>>> [email protected]
>>>
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>>
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