Messages in this thread | | | Date | Wed, 11 Jul 2012 15:06:43 -0700 | From | Greg Kroah-Hartman <> | Subject | Re: PROBLEM: Performance drop |
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On Sat, Jul 07, 2012 at 03:40:58PM +0100, Jason Vas Dias wrote: > I can confirm that the AMD Turion X2 2.2Ghz HP Compaq 6715b > "business" x86_64 k8 dual-core laptops circa 2007 > DO get stuck in 800Khz mode and cannot switch out of it after booting > the "stable" "v3.4.4" tagged kernel. > > I followed the containing post and reverted commit > ff74ae50f01ee67764564815c023c362c87ce18b : > > Commit d51cdad33bb5bb370c05129f7c7f3a16a55eff40 > Author: root <root@jvdspc.localdomain> > Date: Fri Jul 6 18:57:03 2012 +0000 > > Revert "ACPI: Evaluate thermal trip points before reading temperature" > > This reverts commit 9bcb8118965ab4631a65ee0726e6518f75cda6c5. > > commit ff74ae50f01ee67764564815c023c362c87ce18b > Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > Date: Fri Jun 22 11:37:50 2012 -0700 > > And wow ! what a difference - back to a circa 2007 machine versus a > circa 1987 machine. > > Not too many of us left around trying to run the latest version of > linux on nearly 5-year-old hardware I guess, but still - > please can you restore correct Linux cpufreq & thermal operation on > old-style AMD k8 CPUs ? > They do seem to depend on the temperature being set BEFORE 1st entry . > > Thanks & Regards, > Jason Vas Dias (a Software Engineer) <jason.vas.dias@gmail.com>
Any reason you didn't include the original developers of the 9bcb8118965ab4631a65ee0 patch?
Matthew, Len, any ideas?
greg k-h
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