Public bug reported:
This is NOT the same issue as is currently being reported with the
Ubuntu screensaver where the cursor is visible. Resume from disk works
properly. System is up-to-date. I can tell the system is running
otherwise after resume. If I switch consoles CTRL F1, etc, the screen
goes black for a second again and back to the white screen, same if I
press the laptop lid button to shut the screen off / on.
The white screen doesn't seem to be drawn by software. After a couple
of seconds of the pure white all four corners of the screen darken a
bit, towards the center.
If I go to a console and blindly login, and stop kdm, the boot splash
comes on and then I go back to the active console and the console is
restored. The other consoles show corrupt characters, or the background
blinks. I can restart X at this point and it shows up properly.
I tried booting with a older kernel and the issue still occurs, I also
tested with compiz disabled. This leads me to believe this is related
to the xserver. Also for $hits and giggles I tested in Gnome with the
same result. I briefly tested with the ATI driver via "Restricted
Driver Manager" and got the opposite, a black screen after resume. I
also tried changing many settings in /etc/default/acpi-support without
success.
Output of lspci -vvvnn is attached.
** Affects: ubuntu
Importance: Undecided
Status: New
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regression hardy xserver radeon resume from mem on compaq nc6230 white screen
https://bugs.launchpad.net/bugs/219896
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