I'm running GNOME 3 in Debian Jessie...
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$ gnome-shell --version
GNOME Shell 3.12.2
$ cat /etc/issue
Debian GNU/Linux 8 \n \l
On a ThinkPad X60 with a SSD.
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$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
My screen freezes periodically.
- By freeze, I mean that the mouse can still move, but everything else behind it is frozen entirely
- I can switch to a terminal with CTRL+ALT+F1, it's ... I guess... X or gnome-shell or something that's frozen? Not the whole OS though
- These freezes last anywhere between 5 or 10 seconds and 3-5 minutes
- I can't predict when they will occur, but often, after a suspend/resume, they will start occuring much more frequently. Also, they often happen after I enter my password and press ENTER on the lock screen after a resume from suspend. But not exclusively -- they can happen at any other time when I'm doing pretty much anything in GNOME...
Things I've Tried...
- When frozen, I've tried to CTRL+ALT+F1, login, and run gnome-shell --replace... which doesn't seem to help...
[*[When frozen, I can successfully CTRL+ALT+F1 and run `service gdm restart`... with the obvious downside of losing everything I have open. But the screen responds immediately and I can log back in to GNOME
- I tried running `Xorg -configure` to generate an /etc/X11/xorg.conf file to edit, but received an error about not being able to generate configuration for multiple screens or something (I can retry and provide the exact error if this is a useful direction to try)
I have no idea what's wrong... is it the gnome-shell freezing? Is it X? Is it a problem with the X driver I'm using?
What other information should I provide on this problem?
Can anyone suggest potential solutions or things I should try or test for?
Thanks very much,