I have a similar problem on a Lenovo ThinkPad T400s. If I unplug the
machine while it's asleep, it just freezes outright on resume. I can
see the login screen, but the mouse and keyboard don't function, and the
I bar (text entry cursor) is not blinking per usual.
The resolution described in
I should also say that on my T60 I see the behavior that everyone else
describes (computer suspends itself immediately after resuming).
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Computer suspends or freezes immediately after resuming if power is unplugged
while suspended
https://bugs.launchpad.net/bugs/425411
You received this bug
