Graphical Glitches on IBM Thinkpad T40

Bug #1201630 reported by Stefan Schmidt on 2013-07-15
This bug affects 1 person
Affects Status Importance Assigned to Milestone

Bug Description

A variety of graphical glitches shows up during regular usage. I've made a short video showing the glitches and extracted some screenshots. In the video you can see that the dock is invisible at first and that the menus at the top of the screen don't open. At about 1:50 I restart gala via ssh which then shows the dock and the menus at the top. Then I launch several applications to demonstrate the graphical glitches.



Stefan Schmidt (loopkid) wrote :
Stefan Schmidt (loopkid) wrote :
Stefan Schmidt (loopkid) wrote :
Stefan Schmidt (loopkid) wrote :
Stefan Schmidt (loopkid) wrote :
Stefan Schmidt (loopkid) wrote :
description: updated
Stefan Schmidt (loopkid) on 2013-07-16
description: updated
tags: added: luna
tags: added: ibm t40 thinkpad
tags: added: glitches
description: updated
Cody Garver (codygarver) wrote :

This looks like AMD/ATI driver issues. Try it without proprietary drivers.

Changed in gala:
status: New → Incomplete
Changed in elementaryos:
status: New → Incomplete
Stefan Schmidt (loopkid) wrote :

To my understanding the open source radeon driver is being used, see Xorg.0.log for details:

Cameron Norman (cameronnemo) wrote :

Hmm. Possibly try with the 3.2 kernel if it is easy to do?

Stefan Schmidt (loopkid) wrote :

If I remember correctly luna gets delivered with a 3.2 kernel. I upgraded to a 3.9 kernel, but that didn't improve the situation.

Stefan Schmidt (loopkid) on 2013-08-10
summary: - Graphical Glitches on IBM ThinkPad T40
+ Graphical Glitches on IBM Thinkpad T40
Stefan Schmidt (loopkid) wrote :

I reported the bug to the xorg folks but no luck so far:

Stefan Schmidt (loopkid) wrote :

As a workaround I replaced gala with xfwm4 which resolves most of the glitches without introducing too many new display errors. Plank icons don't bounce and the shadows on slingshot and the top menu are just flat black instead of soft gradients but at least the system is stable and usable.

Daniel Fore (danrabbit) on 2015-05-02
no longer affects: elementaryos
Changed in gala:
status: Incomplete → Invalid
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