in all of the following bugs, xorg either crashes or hangs, and ctl-alt- Fn either doesn't respond (ie loss of ability to change virtual terminal from the keyboard) or in Bug #1290797 the text gets switched but not the mouse cursor function.
Bug #1757299 xorg hangs Bug #1744429 xorg sometimes freezes up while playing either vlc or youtube Bug #1645485 very old display driver bug? Bug #1290797 longstanding display driver bug elicited by xscreensaver or lightdm or chvt i have xdiagnose installed in bionic, ready for the next occurrence. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1290797 Title: longstanding display driver bug elicited by xscreensaver or lightdm or chvt Status in xorg package in Ubuntu: Expired Bug description: i've been hitting this bug since natty or earlier. today, as per usual, the evidence of the bug is that chvt no longer functions normally. in today's case, two instances of xorg had been running, both crashed, xorg would not relaunch (immediately crashed again)(tho no trouble launching Xvnc), after the xorg crashes ctl-alt-F7 shows: "The system is running in low-graphics mode", ctl-alt-F8 shows all black, and the clear clue, ctl-alt-F1 shows the text you would expect to see there, but at the same time the mouse cursor is still being displayed and responding to mouse movement as if we were still looking at ctl-alt-F[78]! same for ctl-alt-F[2-6]. when i hit this same bug on other days, the behaviour of ctl-alt-Fn will be peculiar in unique bizarre ways. i tried to submit this bug via ubuntu-bug (in 2 or 3 "screen" windows, then killed them all, then tried one more time), then zipped up the apport log, the Xorg logs, the single /var/crash/*Xorg* i found, and a process list. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1290797/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

