Thanks for your report. Can you please add the logs from when your screen is white? So reproduce the white screen, switch to the console, and run: xrandr --verbose :0 > xrandr.white.txt cp /var/log/Xorg.0.log Xorg.0.log.white.txt and attach these two files.
** Summary changed: - White Screen instead of desktop after 10.10 update (ATI Mobility Radeon 7500 card) + [KMS] White Screen instead of desktop after 10.10 update (ATI Mobility Radeon 7500 card) -- [KMS] White Screen instead of desktop after 10.10 update (ATI Mobility Radeon 7500 card) https://bugs.launchpad.net/bugs/655099 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