Ubuntu
linux package

  1. Bug #541501
  2. Comment #29

Comment 29 for bug 541501

Revision history for this message
Bryce Harrington (bryce) wrote : Re: [lucid] [LENOVO T60] external screen display shows "shivering", horizontal refresh offset

I think it's likely that the modeline is just slightly off.

Boot without KMS (radeon.modeset=0) and capture an Xorg.0.log, then boot with KMS on. We should compare the calculated modelines shown in each log for the activated resolution to see if there's any differences.