You mention you still experience issues even if you boot back into the previously working 2.6.27-7 kernel, this would seem to then indicate that it was one of the other 244 updates you pulled in that is likely causing this regression and not the kernel. Seems related to xorg. Please attach your /var/log/Xorg.0.log .
You mention you still experience issues even if you boot back into the previously working 2.6.27-7 kernel, this would seem to then indicate that it was one of the other 244 updates you pulled in that is likely causing this regression and not the kernel. Seems related to xorg. Please attach your /var/log/Xorg.0.log .