You should try to install a previous version: 5.13.19-6-pve
Look also this other post: https://forum.proxmox.com/threads/kernel-bug-cpu-soft-lockup.110059/
I see these messages
Jul 05 11:56:26 host3 kernel: x86/split lock detection: #AC: kvm/797055 took a split_lock trap at address: 0xfffff80016761edd
as well, but I don't notice any storage or connectivity issue (VM's storage is located on local disks).
Should I be concerned about these messages?
Since the upgrade to kernel 5.15.x, due to issue like these,
https://forum.proxmox.com/threads/kernel-bug-cpu-soft-lockup.110059/
https://forum.proxmox.com/threads/proxmox-7-watchdog-hard-lockup-cpu.111725/
I would like to try to install and boot the 5.13 kernel.
apt install pve-kernel-5.13...
Try to perform an fstrim insidie the VM with 10tb disk.
But I suspect that this is due to zfs block size and/or how data replication works on raidz1, that is a bit complicated to explain for me (write amplification and so on).
Ok. I can confirm that it is related to CGroupv2.
Oct 22 14:32:16 proxmox pve-lxc-hook-lxc-pre-start[291859]: CT 10001 does not support running in a pure cgroupv2 environment
Already discussed here...
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