Hello, Upgrading from Ubuntu 20.04 LTS to Ubuntu 22.04 LTS you upgraded the kernel from version 5.4 to 5.17.
A similar issue ("[GT216][Linux 5.16.4] Long stalls in
dma_fence_default_wait") has been reported here for the Nvidia GT216:
see here [1] for the report and for the workaround and kernel patch.
HTH
[1] https://gitlab.freedesktop.org/drm/nouveau/-/issues/156
