Same issue with a MSI A88XME35 with latest BIOS (V30.6) in Ubuntu 16.04.3 LTS kernel 4.4.0-112-generic #135-Ubuntu.
Only nomodeset with free driver, or radeon.dpm=0 with proprietary driver prevent boot loop -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1309578 Title: Ubuntu 14.04 suddenly reboots when booting from Live USB AMD A8 6600k To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1309578/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs