The ctrl-alt-F2 + ctrl-alt-F1 trick mentioned above is sometimes, but
not always, necessary to get the display back after a suspend-resume
cycle.
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I tested some more. After logging out and receiving the broken video mode, I
can press ctrl+alt+F2 and get a textmode login screen. If I then immediately
press ctrl+alt+F1 I get to the graphic login screen, and can login again.
Pressing ctrl+alt+F1 directly at the broken video mode does
Logout worked fine when I used Ubuntu 20.4 / nvidia driver 450.102.04 on
the same machine.
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https://bugs.launchpad.net/bugs/1926023
Title:
display broken on logout
To manage
Public bug reported:
I can login and use the system, but when I logout, the monitor complains
that it can't display the video mode. Pressing various keys and
clicking randomly doesn't help, I have to press the hard reset button to
login again.
ProblemType: Bug
DistroRelease: Ubuntu 21.04
I've been running Unity-2D for a few weeks now, and the bug did not
occur there.
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https://bugs.launchpad.net/bugs/828893
Title:
left mouse button ignored
To
xinput list | head -3 # the lines that look relevant
⎡ Virtual core pointer id=2[master pointer (3)]
⎜ ↳ Virtual core XTEST pointerid=4[slave pointer (2)]
⎜ ↳ Logitech USB RECEIVER id=10 [slave pointer (2)]
The lines from [132546.244] and forward in the attached Xorg.0.log comes
from after the bug had appeared - I plugged in another mouse, and its
left button was also unresponsive.
** Attachment added: Xorg.0.log
Timo, I have run apport-collect from the two machines were I've seen the
problem.
Will try to run unity-2d for a while and see if it happens there too.
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apport information
** Attachment added: Dependencies.txt
https://bugs.launchpad.net/bugs/828893/+attachment/2362742/+files/Dependencies.txt
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apport information
** Tags added: apport-collected ubuntu
** Description changed:
After a random amount of time, the left mouse button gets ignored, regardless
of where one tries to click. The other mouse buttons still work. It does not
seem to be connected to any particular application. I
The left mouse button became unresponsive today, so I ran evtest as hinted
above.
That program does detect my clicks on the left mouse button, even though
nothing else in the system does.
evtest /dev/input/event4
When pressing the left mouse button:
Event: time 1315039419.170692, type 4
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