Following the suggestion from Smurphy I've added the 'Option "ForceEnablePipeA"' line in the xorg.conf . This evening the screen had the alert window below:
Ubuntu is Running in low-graphics mode The following error was encountered. You may need to update your configuration to solve this. (EE) intel(0): underrun on pipe B! the next few windows enabled me to save a backup log, that I attach here, and to revert the modification to xorg.conf . Maybe this info can put a little sparkle of light on this trouble? ** Attachment added: "failsafeX-backup-081117183316.tar" http://launchpadlibrarian.net/19738752/failsafeX-backup-081117183316.tar -- lockup on mac mini 945GM [8086:27a2] https://bugs.launchpad.net/bugs/218334 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
