I read you Phoronix comment while updating my own copy from 14.04. Personal update went fine while using almost same card (HD 5750.) but was already using radeon driver.
>From what I gather you were using catalyst before update. Any idea if radeon driver worked with older version? X with disabled KMS isn't supported. Your X logs essentially are from trying this. Something to try; Add "modprobe.blacklist=radeon" to GRUB command line. >From terminal; sudo modprobe radeon ; sleep 1 ; dmesg > dmesg.log If no errors startx. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1568429 Title: Radeon won't work with KMS enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1568429/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
