The keyword "i915ovmfrom upd" is a reminder that:

If "OVM" in your topic stands for (Open Virtual Machine Firmware) or general Oversubscription Management , the i915 driver behaves uniquely.

cat /proc/meminfo | grep -i "gtt\|gfx" cat /sys/kernel/debug/dri/0/i915_gem_objects # if debugfs mounted

Also ensure your version is >= 22.3.0, as earlier versions had broken dri2 buffer exchange logic when dealing with overlay planes.

Then reconfigure your VM to use UPT via:

Here, -16 is EBUSY or -ETIMEDOUT . The driver waited for the GPU to finish an overlay update, but the hardware never responded.

: Running sudo update-initramfs -u after an update ensures the latest kernel is properly configured with the available drivers.

: Combines values with standard VAT fields to satisfy auditing criteria within a singular document stream.

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