Public bug reported:
When I suspend either of my two ThinkPad X220's under Xubuntu, they fail
to properly wake up about 1 in 15-25 times. What happens is very strange
though, and I believe that it sheds light on the problem, which I need
some help deciphering:
When I open the lid after suspend and it fails to wake up, I get an LCD
with a black screen (powered on, backlight on, but nothing displayed).
However, the computer operates 100% normally. That is, I can type my
password to unlock the screensaver that SHOULD be displayed, hit return,
then start typing commands (I always have a Terminal open), and they
happen! For example, I can type "sudo reboot" followed by my password,
and the computer reboots! The machine also responds, for example, to
SysRq + REISUB, or anything else that it would normally respond to. It'd
just that there is no display at all...Just a black screen.
I'm on kernel 3.0.0-13
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/915730
Title:
Resume From Suspend on ThinkPad X220 Spotty
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