Messages in this thread | | | Date | Wed, 21 Sep 2005 00:03:42 -0400 | From | Daniel Jacobowitz <> | Subject | Re: [discuss] Re: [PATCH] x86-64: Fix bad assumption that dualcore cpus have synced TSCs |
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On Tue, Sep 20, 2005 at 11:59:45AM -0700, john stultz wrote: > So, bugzilla.kernel.org has (temporarily at least) lost the reports from > yesterday, but from the email i got, folks using my TSC consistency > check that I posted were seeing what appears to be unsynched TSCs on > dualcore AMD systems. > > Personally I suspect that the powernow driver is putting the cores > independently into low power sleep and the TSCs are being independently > halted, causing them to become unsynchronized. > > Do you still feel there is some other issue here? Any ideas for shaking > out whatever else might in play?
FYI, at least I have reproduced this without powernow loaded.
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