sony-vaio-z-series team mailing list archive

[mauro.bis@xxxxxxxxx]

Yes but, as you said in your first email, this will increase (on AC) the minimum
temperature the graphic processor will run at (in my case by 10C).
It is not a fix for the problem, it's just a bad workaround.

Anyone else with this problem?

Best,
Mauro

On Wed, Jun 29, 2011 at 2:38 PM, sacredphoenix
<sacredphoenix@xxxxxxxxxxx> wrote:
> fixing powermizer perfomance level in xorg.conf:
> Option         "RegistryDwords" "PowerMizerEnable=0x1; PerfLevelSrc=0x2222;
> PowerMizerDefault=0x3; PowerMizerDefaultAC=0x1"
>
> this set powermizer to max if AC enabled, to min if on battery
>
>
> 29.06.2011 20:40, mauro.bis@xxxxxxxxx пишет:
>>
>> Hi,
>> I experience the same problem with kernel 2.6.37.6 and nvidia drivers
>>>
>>> 260.19.26. Every once in a while the screen blinks, like a single,
>>
>> fast black flash.
>> I search a bit on the web and this problem seems to arise with certain
>> Nvidia graphics chips when Powermizer changes power state. For example
>> I can reproduce it by letting Powermizer setting the graphic processor
>> to "Performance Level 0" (after a period if inactivity)  and then
>> launching some OpenGL program like glxgears. During the transition
>> from PL0 to PL3 the screen blinks.
>> Unfortunately Nvidia is not giving much feedback about this problem
>> and I have not found any solution other that disabling powermizer or
>> fixing the performance level.
>>
>> Best,
>> Mauro
>>
>> On Wed, Jun 29, 2011 at 6:24 AM, sacredphoenix
>> <sacredphoenix@xxxxxxxxxxx>  wrote:
>>>
>>> Hi there.
>>> screen blinked when nvidia graphics enabled.
>>> I can fix this if I set max perfomance in nvidia powermizer settings, but
>>> notebook becomes too hot.
>>>
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>
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