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[GH-ISSUE #1686] Every switch between screens adds 3 vgaarb lines to kernel log on 5.18.2 #1244

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opened 2026-05-05 07:39:04 -06:00 by gitea-mirror · 1 comment

gitea-mirror commented

2026-05-05 07:39:04 -06:00

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Originally created by @shr-project on GitHub (Jun 8, 2022).
Original GitHub issue: https://github.com/debauchee/barrier/issues/1686

What happened?

Not sure if this was introduced by kernel upgrade or something else, but now I'm seeing 3 lines like this:

[100201.620118] vgaarb: client 0x000000004922175e called 'target'
[100201.620133] vgaarb: PCI:0000:01:00.0 ==> 0000:01:00.0 pdev 00000000a00d7fc2
[100201.620136] vgaarb: vgadev 0000000016033818

Every time I move my mouse cursor between screens, barrier server is using Gentoo with 5.18.2 and the client is Ubuntu with 5.15.0 and the lines are added to dmesg when the cursor returns from client to server.

Everything still works, it just spams the kernel log, I'll try to disable vgaarb, just wanted to share it if someone else also notices this behavior.

Version

v2.4.0

Git commit hash (if applicable)

No response

If applicable, where did you install Barrier from?

Gentoo portage.

What OSes are you seeing the problem on? (Check all that apply)

Linux

What OS versions are you using?

Gentoo and Ubuntu 22.04

Relevant log output

No response

Any other information

No response

Originally created by @shr-project on GitHub (Jun 8, 2022). Original GitHub issue: https://github.com/debauchee/barrier/issues/1686 ### What happened? Not sure if this was introduced by kernel upgrade or something else, but now I'm seeing 3 lines like this: ``` [100201.620118] vgaarb: client 0x000000004922175e called 'target' [100201.620133] vgaarb: PCI:0000:01:00.0 ==> 0000:01:00.0 pdev 00000000a00d7fc2 [100201.620136] vgaarb: vgadev 0000000016033818 ``` Every time I move my mouse cursor between screens, barrier server is using Gentoo with 5.18.2 and the client is Ubuntu with 5.15.0 and the lines are added to dmesg when the cursor returns from client to server. Everything still works, it just spams the kernel log, I'll try to disable vgaarb, just wanted to share it if someone else also notices this behavior. ### Version v2.4.0 ### Git commit hash (if applicable) _No response_ ### If applicable, where did you install Barrier from? Gentoo portage. ### What OSes are you seeing the problem on? (Check all that apply) Linux ### What OS versions are you using? Gentoo and Ubuntu 22.04 ### Relevant log output _No response_ ### Any other information _No response_

gitea-mirror commented

2026-05-05 07:39:06 -06:00

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@shr-project commented on GitHub (Jun 8, 2022):

https://lore.kernel.org/all/20220224224753.297579-8-helgaas@kernel.org/ might be related

@shr-project commented on GitHub (Jun 8, 2022): https://lore.kernel.org/all/20220224224753.297579-8-helgaas@kernel.org/ might be related

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