graphics w/ 2.6.26.3-29 kernel sluggish, 2.6.25.14-108 OK?

[Pavel Shevchuk]

no problems with nvidia driver. mplayer and glxgears show no anomalies

On Sat, Sep 13, 2008 at 5:19 PM, Pekka Savola <pekkas at netcore.fi> wrote:
> Hi,
>
> On FC9, after upgrading the kernel to 2.6.26.3-29, I noticed that any video
> (e.g. watching vid on xine or kaffeine) was really sluggish and choppy.  CPU
> usage was very high significant:
>
>  5522 psavola   20   0  295m  94m  60m S 75.4 12.4  24:18.99 kaffeine
>  9854 psavola   20   0  335m 120m  94m S 39.1 15.9   0:12.45 xine
>
> Rebooting back to 2.6.25.14-108 halved the CPU usage and made graphics work
> again.  (In general it seems as if in 2.6.26.3 the kernel was slow overall
> but it's difficult to prove.)
>
> Running RadeonHD on AMD Sempron.  I couldn't find any bugs like this so I
> filed it here:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=462180
>
> Anyone else see something like this or have workaround or ideas for the
> cause?
>
> --
> Pekka Savola                 "You each name yourselves king, yet the
> Netcore Oy                    kingdom bleeds."
> Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings
>
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>



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