On Thu, 2022-11-10 at 14:58 +0100, daggs wrote: > > 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
I haven't changed the default settings. poc _______________________________________________ vfio-users mailing list vfio-users@redhat.com https://listman.redhat.com/mailman/listinfo/vfio-users