On 8/25/22 16:53, DERUMIER, Alexandre wrote:
> root@pve2:~# qm start 101
> ignoring mediated device with multifunction device
ok, it's simply that indeed I have specify a multifunction path "0000:02".
I think it should better/safe to die here, instead to simply warn and
continue.
i agree die'ing here is better, for the mapped case we could do that now,
but for the old case of a pciid we can't (for backwards compat) until 8.0
[snip]
maybe not related, but after that, stop/start are not working anymore
root@pve2:~# qm stop 101
PCI device mapping invalid (hardware probably changed): 'mdev'
configured but should not be
root@pve2:~# qm start 101
PCI device mapping invalid (hardware probably changed): 'mdev'
configured but should not be
i had this also happen here once, when we do 'normal' pci passthrough
we reset the devices (via sysfs) and it seems the nvidia driver/card
does not like that and does not enable the mediated devices until
a reboot ....
the code then sees a hardware/feature mismatch and refuses to start.
this is done to prevent a start with passthrough on hardware change,
i.e. if someone adds/removes a device and suddenly
the device at path X is not the same anymore)
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