Comment 24 for bug 156824
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a60fb26
(Get the code!)
Forwarding this bug report from a Ubuntu user:
HW: HP Compaq TC4200 - a tablet that uses mostly Intel hardware, a Broadcom wired ethernet (it works), and a Texas Instruments card reader.
When I come back to it after I've closed the lid (Under Power Management Preferences I have it set to "When laptop lid is closed: Blank screen", the default), the poor thing becomes possessed:
* The cursor jumps around insanely when I move the mouse.
* Everything becomes painfully sluggish and unusable.
* Sometimes windows I'm working with go dark and unresponsive (Compiz effect, though I have this same issue if I turn off desktop effects, so it's probably not Compiz related)
* top shows that Xorg is hogging up between 40% and 70% of CPU cycles.
* I can't get a Ctrl-Alt-F1-F6 consoles to come up (They flash onscreen for a split second and then the screen goes black, sometimes with a white arrow cursor frozen on it somewhere...).
* When I do a Ctrl-Alt-Backspace to reset the X server, I notice the characters "^@" start appearing across the screen.
* A Ctrl-Alt-Backspace doesn't fix the problem.
* Sometimes the X server resets itself with no outside influence (behaves like I'd hit Ctrl-Alt-Backspace)
* Sometimes/
I only recently figured out that the problem seemed to happen after I closed the lid and opened it back up.
I've tried changing the "When laptop lid is closed" settings,
and have even gone so far as to re-installing in case it was a problem
cause by going through the update process rather than doing a clean
install. All to no avail."
Also tried setting Option "ForceEnablePipeA" "true" but it made no difference, so the usual pipe-A quirk solution doesn't seem applicable here.
(Maybe is this a kernel/ACPI bug rather than X?)
xorg.conf: http://
Xorg.0.log: http://
Xorg.0.log.old: http://
dsdt: http://
dmesg: http://