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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues_text/target_missing/host_missing/accel_missing/2231 | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.tar.gz qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/2231')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_missing/2231 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/2231 b/gitlab/issues_text/target_missing/host_missing/accel_missing/2231 new file mode 100644 index 000000000..8cf78950d --- /dev/null +++ b/gitlab/issues_text/target_missing/host_missing/accel_missing/2231 @@ -0,0 +1,14 @@ +GNOME/Mutter - Wayland Fractional Scaling Breaks VM Resolution +Description of problem: +VMs are rendered at a higher resolution than the pixel count of their window, seemingly because mutter is upscaling for fractional scaling. +Steps to reproduce: +1. Enable GNOME Mutter experimental fractional scaling +2. Launch VM +Additional information: +This only occurs when wayland fractional scaling is enabled, not when text is scaled. Since GNOME/mutter accomplishes fractional scaling by upscaling, I think the VM is being told its window has a higher resolution than it actually has, so it is rendering the VM at a higher resolution, which is then displayed at the display's real resolution. + +In the screenshot below, my resolution is 2256 x 1504 and I have set fractional scaling to 125%. It is worth noting (2256 / 1.25) / 3606 is approximately 0.5. + + + +I apologize if the report is unsatisfactory. I will provide more detail if instructed. I tried reporting to GNOME Boxes and Virt-manager, which both use QEMU, but it seems the problem is upstream. |