linux-kernel - Re: cpufreq longhaul locks up

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Date:	Sat, 05 May 2007 15:58:10 +0200
From:	Rafał Bilski <rafalbilski@...eria.pl>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
Cc:	john stultz <johnstul@...ibm.com>, davej@...emonkey.org.uk,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	cpufreq@...ts.linux.org.uk
Subject: Re: cpufreq longhaul locks up

>>>>> Switching from acpi_pm+performance to acpi_pm+ondemand also
>>>>> locks up after a few minutes.
>>>> Yep. Sounds like an ondemand issue. Thanks for verifying this for me.
>>> Nah, it also happens with cpufreq_powersave. I just need to check 
>>> through some archives and try booting with governor=powersave so that it 
>>> always stays low. 
>> You have a lockup when switching from other governor to powersave? Or if  
>> You are using it for some time?
> 
> After some time.
Don't understand me wrong, but this is very weird. I think that powersave is  
changing frequency only one time, when it is loaded. I will look into its code 
to be sure. Probably Longhaul is making something what isn't allowed or there 
is hardware bug somewhere.
> Jan
Rafał



----------------------------------------------------------------------
Po meczu.....kurde...:)
>>> http://link.interia.pl/f1a72

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