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authorChristian Krinitsin <mail@krinitsin.com>2025-05-30 16:52:07 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-05-30 16:52:17 +0200
commit9260319e7411ff8281700a532caa436f40120ec4 (patch)
tree2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues_text/target_missing/host_missing/accel_missing/2068
parent225caa38269323af1bfc2daadff5ec8bd930747f (diff)
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+Regression: 8.1.3 -> 8.2.0 breaks virtio vga driver
+Description of problem:
+I have a number of emulated arch linuxes using the same x11/kde configuration. After updating from 8.1.3 to 8.2.0, they all broke in the following way:
+- screen tearing/artifacts seen from bios up until sddm
+- sddm is possibly affected
+- kde/x11 has so many artifacts that its unusable. if i attempt to write in a console window, i can only see parts of what ive written if i attempt to gently resize the bottom of the window. clicking the menu item will only render the menu 1/6 times and only partly. however if I click where I remember the shutdown button to be, the system shuts down immediately, so thi seems to be purely a graphics issue.
+- starting with -vga qxl fixes all issues.
+Steps to reproduce:
+1. make new qemu, install arch/kde
+2. boot said qemu with -vga virtio option
+3. observe issue from the moment it boots
+Additional information:
+Using nVidia card and drivers on host.
+
+Removing x86-video-vesa on the guest system seemed to significant improve performance. There are still many artifacts but its almost usable with this driver removed.