I have this bug, reported as duplicate bug #557814.
I have found that the screen shivering is still present in:
$ uname -a
Linux s-desktop 2.6.34-020634rc6-generic #020634rc6 SMP Fri Apr 30 09:08:46 UTC 2010 x86_64 GNU/Linux
with an r350 -ati driver (more info is at the linked bug report).
I have this bug, reported as duplicate bug #557814.
I have found that the screen shivering is still present in: 020634rc6- generic #020634rc6 SMP Fri Apr 30 09:08:46 UTC 2010 x86_64 GNU/Linux
$ uname -a
Linux s-desktop 2.6.34-
with an r350 -ati driver (more info is at the linked bug report).