On Wed, 2006-03-22 at 06:57 +0100, Edgar Toernig wrote:
> And at last: reading Intel's errata it should be good enough to not go
> below 25% instead limiting all below 2GHz. I'm not even sure whether
> the 2GHz mentioned there is the reduced or the nominal clock. Running
> 2GHz on 12.5% would be a really fast CPU.
>
> | N60. Processor May Hang under Certain Frequencies and 12.5%
> | STPCLK# Duty Cycle
> |
> | Problem: If a system de-asserts STPCLK# at a 12.5% duty cycle, the
> | processor is running below 2 GHz, and the processor thermal
> | control circuit (TCC) on-demand clock modulation is active,
> | the processor may hang. This erratum does not occur under
> | the automatic mode of the TCC.
> |
> | Implication: When this erratum occurs, the processor will hang.
> |
> | Workaround: If use of the on-demand mode of the processor's TCC is desired
> | in conjunction with STPCLK# modulation, then assure that STPCLK#
> | is not asserted at a 12.5% duty cycle.
Yeah, I read that too, and it looked to me like someone might have used
a bit too mich blunt force. (not sure though) I disabled it so I could
save a tree or two, and it seems to work fine. Of course, if it does
ever have a seizure, I don't get to gripe ;-)
-Mike
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
