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Fig Nuttin 8 Dec, 2024 @ 6:16pm
Screen flickering / flashing on Linux
https://vimeo.com/manage/videos/1037305306

Please see the above linked example. This issue occurs when I am doing anything that updates the screen fragments. Moving around / opening menus / changing UIs all result in frequent screen flickering/flashing of white or previously viewed screens (like it's displaying something in a buffer).

I have troubleshooted things like running the game without Steam overlay, reinstalling the game, reinstalling GPU drivers (Nvidia 560.35.03 for RTX 3070), Steam, and even the OS itself, and I have the same problem. This issue does not occur on Windows on the same machine. This issue has happened for roughly a year now since the most recent time I tried to play this. I am currently on the default game version. I do not have any mods.

I have seen other people complaining about maybe the same issue here: https://www.reddit.com/r/cavesofqud/comments/1gd8znr/blinking_or_graphical_glitches_on_linux/
A developer of this app has marked a post as the answer to the topic above.
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Originally posted by AlphaBeard:
Try the -force-vulkan command line argument.
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Showing 1-6 of 6 comments
Fig Nuttin 8 Dec, 2024 @ 6:20pm 
I know that I just posted this but I also came across a solution.

Running the game using Proton Experimental mode fixes this issue for me.
#1
A developer of this app has indicated that this post answers the original topic.
AlphaBeard  [developer] 8 Dec, 2024 @ 6:27pm 
Try the -force-vulkan command line argument.
#2
Fig Nuttin 8 Dec, 2024 @ 6:34pm 
Originally posted by AlphaBeard:
Try the -force-vulkan command line argument.

Reverting the compatibility settings and using this argument also fixes the issue.
#3
autopr3z 24 Mar @ 9:57am 
I was experiencing the same issue, and like op, I made sure that "Force the use of a specific Steam Play compatibility tool" was unchecked under "Compatibility" in the game's preferences in Steam. Then, under the "General" tab, I wrote

%command% -force-vulkan

in the Launch Options.
#4
RynnZ 24 May @ 4:29pm 
"-force-vulkan" also fixed the issue for me! I was ready to give up... Perhaps that should be the default Linux setting?
#5
AlphaBeard  [developer] 24 May @ 6:12pm 
Originally posted by RynnZ:
"-force-vulkan" also fixed the issue for me! I was ready to give up... Perhaps that should be the default Linux setting?

It would just make the other half of users have the opposite problem haha.
#6
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Caves of Qud > Bug Reports & Troubleshooting > Topic Details
Date Posted: 8 Dec, 2024 @ 6:16pm
Posts: 6

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