Public bug reported: Dear Sir/Madam, After a successful installation from ubuntu-12.10-desktop-amd64.iso, I managed to boot up once. Upon SECOND reboot, the screen goes blank and it displayed the following error messages. I am not able to log in for the bug report. [drm]nouveau 0000:01:00.0:Evo Ch1 mthd 0x0080 Data 0x00000000(0x0006 0x05) [drm]nouveau 0000:01:00.0:Evo Ch1 mthd 0x0080 Data 0x00000000(0x1006 0x05) [drm]nouveau 0000:01:00.0:Failed to idle channel 1 [drm]nouveau 0000:01:00.0:Failed to idle channel 2 [drm]nouveau 0000:01:00.0:Failed to idle channel 3 [drm]nouveau 0000:01:00.0:GPU lockup-switching to software fbcom [drm]nouveau 0000:01:00.0:Failed to idle channel 1 [drm]nouveau 0000:01:00.0:Failed to idle channel 2 My notebook is Hewlett Packard Elitebook HP8560w Intel core i7-2720QM CPU@2.2GHz x8 Please advice how to make it bootable again instead of going blank screen. Regards,TH Tan
** Affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1073442 Title: Hewlett Packard Elitebook HP8560w screen goes blank upon reboot after successful installation of Ubuntu 12.10(64bit) desktop version To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1073442/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs