I assume it is a problem in the QXL driver of the kernel used by Ubuntu
24.04.
nornetpp@hansa:~$ sudo lshw -c video
*-display
description: VGA compatible controller
product: QXL paravirtual graphic card
vendor: Red Hat, Inc.
physical id: 1
bus info: pci@0000:00:01.0
logical name: /dev/fb0
version: 05
width: 32 bits
clock: 33MHz
capabilities: vga_controller bus_master rom fb
configuration: depth=32 driver=qxl latency=0 resolution=1024,768
resources: irq:21 memory:80000000-83ffffff memory:84000000-85ffffff
memory:87244000-87245fff ioport:7120(size=32) memory:c0000-dffff
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https://bugs.launchpad.net/bugs/2065153
Title:
Ubuntu 24.04 VM guest console freezes after some hours
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