Hey, After seven failed boots, I've managed to have a good boot : during this good boot, the disk checking had started. When the boot was unsuccessful unsuccessful, I couldn't access to a tty but the magic keys worked.
I attach the the success part of the kern.log, followed by the bad part and I attach too the entire kern.log because I'm not really sure of my cuts. The option “drm.debug=0x0e” was activated. ** Attachment added: "Part of the kern.log after a good boot" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/727620/+attachment/2135367/+files/kern_good_boot.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/727620 Title: [Radeon HD 5650 and 5470] Kernel BUG during recovery boot and in normal boot (Hybrid graphics) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
