linux-kernel - Re: CPU off-on-off: lost CPU management?

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Date:	Thu, 7 Jun 2007 00:58:16 +0200
From:	"Stefan Prechtel" <stefan.prechtel@...glemail.com>
To:	"Peter Oruba" <peter.oruba@....com>
Cc:	"Mircea Bardac" <dev.list@...cea.bardac.net>,
	"Linux List" <linux-kernel@...r.kernel.org>
Subject: Re: CPU off-on-off: lost CPU management?

Hi!
This issue is solved with 2.6.22-rc for me. The second core is up with
the same speed as core 1 (Bogomips are the same, too).

- Stefan Prechtel


2007/6/6, Peter Oruba <peter.oruba@....com>:
> I'm sorry, I am not able to reproduce this issue (using 2.6.21.3). Everything
> works fine on my Turion laptop. It looks like there is also CPU hotplug
> involved in that issue, since brining cpu1 back on doesn't update siblings
> and cpu_cores in /proc/cpuinfo as well. Can you specify more details about
> the system you are using? Have you tried enabling CONFIG_CPU_FREQ_DEBUG and
> booting with "cpufreq.debug=7"?
>
> Peter Oruba
>
>
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