Proxmox crashes at shutdown with newer Kernel

Feb 1, 2024
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Hello,
I have a Proxmox server running at Hetzner. This is an EX43 server, i.e. an Intel model. It has a community license.
Unfortunately the server crashes and gets stuck on reboot / shutdown if a newer kernel than 6.5.11-7-pve is used. Here is the KVM output:

image1.jpeg

From my point of view it seems to have something to do with the Energy-Efficient Cores. However, I cannot localize the error yet, because it only happens during a reboot / shutdown and not during boot. The errors I have been able to find so far are more related to operation or booting, but there are no problems there. However, operation is not possible in a meaningful way, as a reboot is also necessary for updates, for example. I would be very grateful for any help.