From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Jason Vas Dias <jason.vas.dias@gmail.com>,
Matthew Garrett <mjg@redhat.com>, Len Brown <len.brown@intel.com>
Cc: Andreas Herrmann <herrmann.der.user@googlemail.com>,
Comrade DOS <suloevdmitry@gmail.com>,
linux-kernel@vger.kernel.org
Subject: Re: PROBLEM: Performance drop
Date: Wed, 11 Jul 2012 15:06:43 -0700 [thread overview]
Message-ID: <20120711220643.GD10930@kroah.com> (raw)
In-Reply-To: <CALyZvKxcdNWMHEGwgdO=sGTTs9sZYerYXcQEyqFwixKzzz3giA@mail.gmail.com>
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
next prev parent reply other threads:[~2012-07-11 22:06 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-23 19:12 PROBLEM: Performance drop Comrade DOS
2012-05-24 12:31 ` Andreas Herrmann
[not found] ` <CA+fU7qfPznJpRABC4Z=xmRZW6p5Mw3dFLBySk9HuPnaCYMMnEg@mail.gmail.com>
2012-05-26 6:11 ` Comrade DOS
[not found] ` <20120529140940.GA10421@alberich.amd.com>
2012-05-29 20:20 ` Comrade DOS
2012-05-30 12:43 ` Andreas Herrmann
[not found] ` <CA+fU7qehx6Jjb0ZWNrh+bh6SYCKLVWZDd7iLnsC=hDVqqFd74Q@mail.gmail.com>
2012-07-06 2:47 ` Fwd: " Comrade DOS
2012-07-07 14:40 ` Jason Vas Dias
2012-07-07 14:45 ` Jason Vas Dias
2012-07-11 22:06 ` Greg Kroah-Hartman [this message]
2012-07-14 11:11 ` Jason Vas Dias
2012-09-27 17:34 ` Greg Kroah-Hartman
2012-09-27 17:48 ` Borislav Petkov
2012-10-09 22:19 ` katabami
2012-10-18 1:21 ` katabami
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