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I suggest making a new thread and then posting the link here. I'll try to take a look at your setup. I suggest showing the full details of your current configuration, including: grub command current kernel vfio module options any blacklisted modules dmesg output from boot onward, and tag where...

So with all my testing I have confirmed that both the old method and the new method work, as long as you don't use q35-7.1 . Old Method - Blacklist drivers, assign PCI IDs to vfio, add a bunch of kernel options, cross your fingers. This is what most blog posts and even the ProxMox wiki show...

I just changed the host from q35-7.1 to q35-7.0 and it suddenly started working. I will play with some more settings later and report what configurations work in case it helps someone else in the future.

Does buying a subscription increase the odds of getting help with this? :)

I was previously using Proxmox 6.1 and passing through my RX480 to a windows guest. It was working smoothly, except for the issue of unexpected guest shutdowns making the GPU unusable until the system did a full power cycle. I updated to Proxmox 7.3 and the windows guest stopped working. First...

@RokaKen - thank you, this is helpful. Is there any documentation to explain how I can track if the calls to increase RAM are being taken from released RAM vs. the swap available on the host? Also, is it possible to add this as a snippet in the "automatic memory management" section of the Wiki...

@Dunuin - thanks for the idea. I took a look and while the 28 GB ballooned machine is running, the host shows this: root@proxmox:~# free -m total used free shared buff/cache available Mem: 32138 31088 342 42 707...

I have a Proxmox 6.0-4 host with 32 GB of memory. I have two guest machines, each that will do work and I want to be able to share the RAM between them. Neither machine will be using 100% of the RAM at a time. So my goal is to configure each one with a Max of 28 GB of RAM, and the minimum of 4...

Thanks - but that's a bit out of my depth at this point. I look forward to when this is offered as an option to enable :).

Is it possible to get the steps to do this? I'm interested to try it and don't mind some crashing. :)