[vfio-users] KMS and vfio modules: vfio fail if active with nvidia

Blank Field ihatethisfield at gmail.com
Sat Jul 23 23:17:05 UTC 2016


On Jul 24, 2016 2:10 AM, "sL1pKn07 SpinFlo" <sl1pkn07 at gmail.com> wrote:
> linux   /boot/vmlinuz-linux
> root=UUID=1b76a96e-0c70-49c5-a90b-c5308f969a2f rw  intel_iommu=on
> nvidia-drm.modeset=1
>
> how select one specific card in kms?

Search for kernel parameter options. Also, if nvidia-drm is a module, you
can do modinfo to find out all parameters.
Also keeping the first gpu busy before KMS shoots out may help. Though KMS
drivers usually don't care about other device users, most of them just grab
the needed mmio space just like vesafb does.
And what would totally help is swapping the cards in the pci-e slots.
Or not using the KMS at all, but i see that you need it, so it's not an
option for you.
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