[Gta04-owner] graphics speed drop in 3.3 and 3.4 kernels

Neil Jerram neil at ossau.homelinux.net
Thu May 31 09:21:51 CEST 2012


Radek Polak <psonek2 at seznam.cz> writes:

> Hi,
>
> after some time on 3.3 and 3.4 kernel i installed now 3.2 kernel and i was
> quite surprised about the graphics or maybe overall speed difference.
>
>  
>
> 3.2 kernel is much faster. You can easily check this on debian squeeze:
>
>  
>
> apt-get install mplayer
>
> wget http://activationrecord.net/radekp/pub/impossible_is_nothing2.mp4

> With 3.2 kernel it plays nice, with 3.3 and 3.4 i get like 1 fps.

I can confirm that that video plays beautifully on QtMoko, which
currently has kernel:

root at neo:~# uname -a
Linux neo 3.2.14-gta04+ #1 PREEMPT Tue Apr 10 16:42:22 UTC 2012 armv7l GNU/Linux

I haven't tried a 3.3 or 3.4 kernel yet.

     Neil


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