oVirt nVidia vGPU driver questions
I'm on oVirt 4.2.6. 1) If I have a Tesla P4 (Pascal) GPU (non-GRID), do I use nVidia vGPU driver for RHEL KVM 6.2 or the Linux KVM vGPU 6.2 driver? 2) If I have a Grid K1 or K2, I assume the correct driver would be GRID 4.7? 3) Must the vGPU driver be installed on the host & in the vm? 4) Must the vGPU driver be installed first before I can run "yum -y install vdsm-hook-vfio-mdev”
On 11 Sep 2018, at 13:39, femi adegoke <ovirt@fateknollogee.com> wrote:
I'm on oVirt 4.2.6.
1) If I have a Tesla P4 (Pascal) GPU (non-GRID), do I use nVidia vGPU driver for RHEL KVM 6.2 or the Linux KVM vGPU 6.2 driver?
itf it’s not a GRID-capable card then you can only use GPU Passthrough (the whole card) to the guest That doesn’t require any drivers, just a proper PCI pasthrough capability and enablement in Host edit dialog (and some kernel cmdline changes depending on your hw). It has nothing to do with mdev/vGPU then.
2) If I have a Grid K1 or K2, I assume the correct driver would be GRID 4.7?
not sure what are the latest, whatever is on nvidia site as latest available should work
3) Must the vGPU driver be installed on the host & in the vm?
for vGPU yes. Make sure you install the host one on host and guest driver to the guest. it’s easy to mix it up.
4) Must the vGPU driver be installed first before I can run "yum -y install vdsm-hook-vfio-mdev”
no hooks required as of 4.2.6. Just skip that part Thanks, michal
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5) When will there be proper support for the newer non-GRID GPU's? 6) GPU passthrough: where can we find info on "proper PCI pasthrough capability and enablement in Host edit dialog (and some kernel cmdline changes depending on your hw)"? On Sep 11 2018, at 4:54 am, Michal Skrivanek <michal.skrivanek@redhat.com> wrote:
On 11 Sep 2018, at 13:39, femi adegoke <ovirt@fateknollogee.com> wrote: I'm on oVirt 4.2.6. 1) If I have a Tesla P4 (Pascal) GPU (non-GRID), do I use nVidia vGPU driver for RHEL KVM 6.2 or the Linux KVM vGPU 6.2 driver? itf it’s not a GRID-capable card then you can only use GPU Passthrough (the whole card) to the guest That doesn’t require any drivers, just a proper PCI pasthrough capability and enablement in Host edit dialog (and some kernel cmdline changes depending on your hw). It has nothing to do with mdev/vGPU then.
2) If I have a Grid K1 or K2, I assume the correct driver would be GRID 4.7? not sure what are the latest, whatever is on nvidia site as latest available should work
3) Must the vGPU driver be installed on the host & in the vm? for vGPU yes. Make sure you install the host one on host and guest driver to the guest. it’s easy to mix it up.
4) Must the vGPU driver be installed first before I can run "yum -y install vdsm-hook-vfio-mdev” no hooks required as of 4.2.6. Just skip that part Thanks, michal
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Maybe you can shed some light on this: https://lists.ovirt.org/archives/list/users@ovirt.org/thread/6HRVV57BT7XWXIO... On Sep 11 2018, at 5:03 am, femi adegoke <oVirt@fateknollogee.com> wrote:
5) When will there be proper support for the newer non-GRID GPU's? 6) GPU passthrough: where can we find info on "proper PCI pasthrough capability and enablement in Host edit dialog (and some kernel cmdline changes depending on your hw)"?
On Sep 11 2018, at 4:54 am, Michal Skrivanek <michal.skrivanek@redhat.com> wrote:
On 11 Sep 2018, at 13:39, femi adegoke <ovirt@fateknollogee.com> wrote: I'm on oVirt 4.2.6. 1) If I have a Tesla P4 (Pascal) GPU (non-GRID), do I use nVidia vGPU driver for RHEL KVM 6.2 or the Linux KVM vGPU 6.2 driver? itf it’s not a GRID-capable card then you can only use GPU Passthrough (the whole card) to the guest That doesn’t require any drivers, just a proper PCI pasthrough capability and enablement in Host edit dialog (and some kernel cmdline changes depending on your hw). It has nothing to do with mdev/vGPU then.
2) If I have a Grid K1 or K2, I assume the correct driver would be GRID 4.7? not sure what are the latest, whatever is on nvidia site as latest available should work
3) Must the vGPU driver be installed on the host & in the vm? for vGPU yes. Make sure you install the host one on host and guest driver to the guest. it’s easy to mix it up.
4) Must the vGPU driver be installed first before I can run "yum -y install vdsm-hook-vfio-mdev” no hooks required as of 4.2.6. Just skip that part Thanks, michal
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Are the current Tesla P4 and P40 GPUs considered non-GRID? Will these cards support vGPU?
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