Following debugging on IRC it seems that the issue is not kernel version dependant. Plymouth is no using the drm renderer by default. It appears to not be correctly taking account of bits-per-pixed for older framebuffers. Moving to plymouth.
** Package changed: linux (Ubuntu) => plymouth (Ubuntu) -- Lucid: garbled video at boot on radeon 7xxx cards https://bugs.launchpad.net/bugs/564471 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs