The reason of this issue was that the update manager removed the xserver unduly (the bug was there not in xorg).
I am very sorry, I have not been deliberate enough and I have not realized this mistake unless I checked the date of the log files. This bug report is invalid! -- [g41] Blank screen after upgrade and reboot [Ubuntu 10.10alpha1 ] https://bugs.launchpad.net/bugs/592044 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
