Comment 29 for bug 144077

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Jerone Young (jerone) wrote : Re: [gutsy] Regression - "Desktop effects could not be enabled" on ATI Mobility Radeon

I see the exact same problem on my Thinkpad T41p with ATI Mobility Fire GL T2. The problem appears to be the radeon drm kernel module has errors when it's loading. So no 3D acceleration what so ever works.