Not a disk issue, but looks instead like an issue with power management on that thunderbolt root port at 0000:80:1b.4. See this thread for proxmox-specific writeup: https://forum.proxmox.com/threads/kernel-7-0-x-regression-acs-violation-on-pcie-port-80-1b-4-causes-vm-freeze-—-arrow-lake-thunderbolt-5-intel-arc-b50-passthrough.184312/
And here for more: https://github.com/minisforum-docs/MS-02-Ultra/issues/10
Looks like you can resolve it for now by either reverting to 6.17.x kernel or creating a udev rule for the device.





You don’t, is the short answer. Especially when the thing from github is unmaintained and unsupported on the current version of qubes:
If you’re just using qubes for funsies though and safety/security doesn’t really matter, the qubes docs provide a very hacky method for copying files to dom0 (prefaced with a long “you really shouldn’t do this” warning): https://doc.qubes-os.org/en/latest/user/how-to-guides/how-to-copy-from-dom0.html#copying-to-dom0