https://bugs.kde.org/show_bug.cgi?id=477643
--- Comment #1 from Matt Fagnani ---
When I selected full-screen mode from the top menu in GNOME Boxes QEMU/KVM VMs
using Plasma 5.27.80 on Wayland with
Fedora-KDE-Live-x86_64-Rawhide-20231127.n.0.iso and
Fedora-KDE-Live-x86_64-Rawhide-20231129.n.0.iso, and then I exited full-screen
mode, Plasma froze. The journal when Plasma froze in this way repeatedly showed
the same errors "kwin_wayland_drm: Page flip failed: No space left on device"
and "kwin_wayland_drm: Presentation failed! No space left on device". When I
selected full-screen mode again, Plasma wasn't frozen any longer and programs I
had clicked on while it was frozen changed or appeared. df showed what appears
to be enough free space on the VM's partitions.
This problem didn't happen when I booted those images in virt-manager QEMU/KVM
VMs with the same settings. In GNOME Boxes QEMU/KVM VMs using Plasma 5.27.9 on
Wayland with Fedora-KDE-Live-x86_64-Rawhide-20231125.n.0.iso and earlier, the
resolution of Plasma appeared to change automatically to fit the window when
Plasma appeared right after the splash screen disappeared. There might be some
problem with the way Plasma 5.27.80's resolution changed in the GNOME Boxes VMs
which didn't happen in virt-manager.
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