[vfio-users] Failed to mmap 0000:01:00.0 BAR 3. Performance may be slow

[Konrad Eisele]

>
>
> Have you checked if you have a PCI bridge connecting to your graphics card
> in
> the same IOMMU group? Or any other device?
>
> In that case you should not be able to reserve memory at all, but no harm
> checking.
>
>
Yes, I checked that.
root at server:/sys/kernel/iommu_groups# ls -la 14/devices/
total 0
drwxr-xr-x 2 root root 0 aug 20 17:23 .
drwxr-xr-x 3 root root 0 aug 20 17:23 ..
lrwxrwxrwx 1 root root 0 aug 20 17:23 0000:01:00.0 ->
../../../../devices/pci0000:00/0000:00:02.0/0000:01:00.0
lrwxrwxrwx 1 root root 0 aug 20 17:23 0000:01:00.1 ->
../../../../devices/pci0000:00/0000:00:02.0/0000:01:00.1
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