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Old 04-26-2021, 05:14 PM   #1
SunriseJackpot
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Join Date: Apr 2021
Posts: 1
Exclamation Frequent GPU Hangs and Xorg crashes (Ubuntu 20.04 Kernel 5.8)

Dear all,

I am using a DisplayLink dock station with an external monitor, connected to my DELL latitude laptop running Ubuntu 20.04.

The external display works fine at first, but frequent freezes happen, resulting from a Xorg crash and a "GPU hang" (according to dmesg output). When this happens, all graphics are unresponsive, even though I can still see my mouse pointer move. As a result, I have to log into a tty session in order to restart my display manager, thus losing all my opened graphical applications.

This happens most frequently when the computer is doing (reasonably) intense work, such as a system backup or a zoom conference call.

Is this kind of problem known for my Ubuntu version? Is there a fix?
You will find attached a debug output from DLSupportTool, ran right after such a freeze.

Thanks a lot for your help
Attached Files
File Type: zip DLSupportTool_Output_2021-04-26T17:33:41.407987.zip (190.3 KB, 0 views)

Last edited by SunriseJackpot; 04-26-2021 at 06:03 PM.
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Old 06-11-2021, 04:56 AM   #2
Ener10
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Join Date: Jul 2019
Posts: 3
Default I have the same problem here

I have the same problem here, it seems to start after run ubuntu upgrade.


I'm at :

Distributor ID: Ubuntu
Description: Ubuntu 20.04.2 LTS
Release: 20.04
Codename: focal

Any solution ?
Thanks for advance
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docking station, freeze, gpu hang, ubuntu 20.04, xorg

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