Intel iGPU and nvidia dGPU on dell g7 7588
intel (igpu) connected do integrated monitor and a external typec output, and
dGPU (nvidia) with an external gpu
My system is
Linux 7588 5.13.0-39-generic #44~20.04.1-Ubuntu SMP Thu Mar 24 16:43:35 UTC
2022 x86_64 x86_64 x86_64 GNU/Linux
nvidia,
/etc/default/grub
>> i915.force_probe=pci:v8086d4C9Asv*sd*bc03sc*i* (this is my i915
>> driver module alias)
but, you can get PCI Device ID, with lspci -nnk command
>> i915.force_probe=PCI_Device_ID (no BusID)
update-grub
/etc/environment
>> export LIBGL_DRI2_DISABLE=true
>> export
Just for future reference on the Nvidia Forum, this problem is mentioned in:
https://forums.developer.nvidia.com/t/support-external-displays-in-render-offload-mode/107046/7
This make the whole On-Demand option impossible to use for me, and I was
seeing forward to it so much.
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After some more research I found out that this is actually due to an
unimpelmented feature in Nvidia's drivers.
On this model of laptop, the video output ports all connect directly to
the discrete Nvidia GPU, and Nvidia's drivers do not yet support the GPU
being used as a sink from the integrated
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers-435 (Ubuntu)
Status: New => Confirmed
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** Also affects: nvidia-graphics-drivers (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1849214
Title:
"nvidia on-demand" mode does not support
apport information
** Tags added: apport-collected
** Description changed:
In a recent driver, Nvidia finally added Linux support for render
offload, where most graphics are rendered on the CPU-onboard GPU and
only certain applications are rendered on the discrete Nvidia GPU. I
know
