Messages in this thread | | | Subject | Re: p4-clockmod not working in 2.6.16 | From | Mike Galbraith <> | Date | Wed, 05 Apr 2006 15:59:36 +0200 |
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On Wed, 2006-04-05 at 13:02 +0100, Tim Phipps wrote: > On Tuesday 04 Apr 2006 11:47, Tim Phipps wrote: > > On Wed, 2006-03-22 at 06:20, Mike Galbraith wrote: > > > On Wed, 2006-03-22 at 06:57 +0100, Edgar Toernig wrote: > > > > | 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. > > > Here's a patch to 2.6.17-rc1 that disables the 12.5% DC on any CPU that has > N60. The frequencies in the errata are a bit vague so this is the safe bet > and it only disables one of the eight frequencies rather than the current > behaviour which disables all of mine!
Works for me. Perhaps you should update... dprintk("has errata -- disabling frequencies lower than 2ghz\n"); ...,slap a Signed-off-by: on it and see if it flys.
-Mike
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