On Thu, Dec 28, 2023 at 4:49 PM Timothy Pearson
[off-list ref] wrote:

Hrmm, potentially related, I'm getting a kernel oops when I try to hot unplug the entire PCIe switch from the PHB4:

IIRC there's hard to fix races in the pci core around removal of pci
slot devices. Maybe someone fixed those since I tried last, but I'd
just avoid doing that if I were you.