> On Thu, 2022-11-10 at 18:48 +0500, Roman Mamedov wrote: > > On Thu, 10 Nov 2022 13:43:56 +0000 > > Patrick O'Callaghan <p...@usb.ve> wrote: > > > > > I've just replaced an old Nvidia card with a newer AMD RX580 and am > > > attempting to reconfigure my Windows VM. However I don't see the > > > new > > > card getting its own IOMMU group: > > > > > > $ ls /sys/kernel/iommu_groups > > > $ > > > > Looks like you don't have any IOMMU groups at all. Was GPU > > passthrough working > > before, on this exact system? Without OS reinstalls, kernel upgrades > > and > > without resetting the BIOS settings to defaults? > > > > Passthrough was working with the Nvidia card, which did have its own > IOMMU group. However it's been some time (months) since I last used it, > so it's possible that something else has changed as I do update my > system frequently (using Fedora dnf from standard repos). > > Other than the GPU, all the hardware is identical, and I haven't > touched any BIOS settings. > > poc >
maybe the GPU swap caused the bios to revert to default settings, I suggest verifying it _______________________________________________ vfio-users mailing list vfio-users@redhat.com https://listman.redhat.com/mailman/listinfo/vfio-users