appears that the radeon driver is the offending party because after the issue of the FGLRX 12.9 driver everything seems to work ok again. even on kernel version 3.5. thank you amd driver team.
** Project changed: linux-kernel-headers => libdrm (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libdrm in Ubuntu. https://bugs.launchpad.net/bugs/1050350 Title: a-10 4600m boots to black screen unless nomodeset option in grub with kernel newer than 3.2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libdrm/+bug/1050350/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

