I don't remember exactly, but I had quite the same issues with fglrx on my 4870x2 at some moment. I've just switched to opensource driver and enjoyed faster compositing that I had with fglrx:)
-- Best regards, Valentin Pavlyuchenko 2010/6/1 Seb <[email protected]>: > On Mon, 31 May 2010 15:58:50 -0500, > Seb <[email protected]> wrote: > > [...] > > Doing "awk '/Composite/' /var/log/Xorg.0.log" I see: > > ---<--------------------cut here---------------start------------------->--- > (**) Extension "Composite" is enabled > (II) fglrx(0): Sync: Separate Composite > (II) fglrx(0): Composite extension is not loaded > (II) fglrx(1): Composite extension is not loaded > ---<--------------------cut here---------------end--------------------->--- > > which suggests the extension is being unloaded at some point, and the > lines above the third line above are: > > ---<--------------------cut here---------------start------------------->--- > (II) fglrx(0): GLESX is enabled > (II) LoadModule: "amdxmm" > (II) Loading /usr/lib/xorg/modules/amdxmm.so > (II) Module amdxmm: vendor="X.Org Foundation" > compiled for 1.7.1, module version = 1.0.0 > (II) Loading extension AMDXVOPL > (II) fglrx(0): Composite extension is not loaded > ---<--------------------cut here---------------end--------------------->--- > > Any tips? > > -- > Seb > > > -- > To UNSUBSCRIBE, email to [email protected] > with a subject of "unsubscribe". Trouble? Contact [email protected] > Archive: http://lists.debian.org/[email protected] > > -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]

