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Hi! I observed the exact same issue with Ubuntu 22.04 as the VM guest. In my case, this low value of max-threads had the effect that certain parallel computation backends such as Matlab's parpool / parcluster feature failed to start up a large number of parallel workers. Disabling memory hotplug...

Hi wolfgang, Please see below: proxmox-ve: 6.0-2 (running kernel: 5.0.21-1-pve) pve-manager: 6.0-7 (running version: 6.0-7/28984024) pve-kernel-helper: 6.0-8 pve-kernel-5.0: 6.0-7 pve-kernel-5.0.21-1-pve: 5.0.21-2 pve-kernel-5.0.18-1-pve: 5.0.18-3 pve-kernel-5.0.15-1-pve: 5.0.15-1 ceph...

Hi, I have enabled the proxmox firewall on all levels (datacenter, proxmox host, VM, VM network adapter) and configured a rule on the VM level that drops all SSH packets (I know that traffic from the proxmox hosts should remain open, but I'll worry about that later). However, this rule has no...

I had the issue that my Ubuntu 18.04 VMs (based on the Ubuntu cloud image) were not applying cloud-init network config. I'm not entirely sure if this is related to the problem discussed in this thread, but I just wanted to post my solution: By looking at /var/log/cloud-init.log I figured out...

Thanks for your suggestions! I tried running it with a monitor plugged in, but this makes no difference. I also tried the latest Centos 7 instead of Ubuntu 18.04 as the guest OS, but that works even less: nvidia-smi can't get a device handle in Centos. In the Ubuntu guest I played around with a...

Hi Dominik, I finally found the time to work on my passthrough issue. No solution so far, I'm afraid. To answer your questions: Yes, I'm running Linux (Ubuntu 18.04) as the guest, with all packages up-to-date. I installed the same Ubuntu onto a USB stick and booted the host machine from the...

Thanks, dcsapak, for your very helpful suggestions. Based on them, I dug deeper and realized that the issues I was seeing were actually not due to the presence or absence of the virtual VGA card -- I have them regardless of that. There's something wrong in my passthrough config: On the...

Hi! I have a server with an NVIDIA Titan V GPU. I've been successful in setting up GPU passthrough by following the recipe in the PVE wiki: I can see and use the GPU in my VM. I'd like to use this GPU for math computations only, there is no monitor attached. I would also like to allow users to...