What version do you talk about ? The nvidia driver is: modinfo nvidia filename: /lib/modules/3.10.0-1062.4.1.el7.x86_64/extra/nvidia.ko.xz alias: char-major-195-* version: 418.87.01
> Le 13 nov. 2019 à 16:04, Kenneth Weade <kwe...@pcpcdirect.com> a écrit : > > Ovirt 4.3 only works with new 8.2 drivers from nvidia for some reason. We > ran into the same issue. 9.3/9.4 to be released later this month. > > Kenneth Weade > > From: Fabrice Bacchella <fabrice.bacche...@icloud.com> > Sent: Wednesday, November 13, 2019 4:21 AM > To: users > Subject: [ovirt-users] Tesla P4 and /sys/class/mdev_bus/ > > I have a Tesla P4 installed on a HPE ProLiant DL360 Gen10 on a CentOS 7.7. > The setup was running fine since at least February. I made a successful > upgrade from oVirt 4.2 to 4.3 and CentOS 7.6 to CentOS 7.7. I was using in > oVirt in a pass-througth setting. > > I made a minor upgrade a few days ago. And since the VM is unable to see the > Tesla P4. I think that the main problem is with mdev. vdsm-client Host > hostdevListByCaps | grep mdev return nothing. There is no directory > /sys/class/mdev_bus. > I tried a full modload: modprobe nvidia_vgpu_vfio nvidia vfio_mdev mdev > vfio_iommu_type1 vfio nvidia nvidia-modeset nvidia-drm nvidia-uvm vfio-pci. > But it does nothing. > > Why did my kernel think the P4 is not mdev-compatible any more ? How can I > check that ? I think it break when upgrading my kernel from > kernel-3.10.0-1062.1.2.el7.x86_64 to kernel-3.10.0-1062.4.1.el7.x86_64. > > I tried with both the nouveau driver and the nvidia driver.
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