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Re: Dual GPU dual display support in Debian?

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Linux-Fan <Ma_Sys.ma@web.de> writes:

> Anssi Saari writes:
>
>> I was wondering, since I didn't really find anything definite via Google
>> but is dual GPU dual display actually a supported configuration in
>> Debian 11?
>
> I would be interested in knowing about that, too.

I wonder if this is a kernel space problem or user space or both? So
does it work in Arch Linux because the Nvidia drivers and Linux kernel
are much newer? Or is there some user space component too that matters?

>> So basically for a while I ran this kind of setup:

> I believe it might be easier to fix the problem by attaching all
> displays to the NVidia GPU. Here are some hints about what you might
> check to make the NVidia GPU work under Debian 11:

Thanks, but a hint to you and Felix: "for a while I ran..." indicates
something happening in the past which has now ended. I have no current
issues for basic use. I haven't actually tried to do accelerated video
encode with the new video card which I count as advanced use but I need
it so rarely it hasn't come up.

> https://forums.developer.nvidia.com/t/linux-460-driver-kubuntu-20-04-rtx-3070-not-booting/171085

I think that specific issue was fixed earlier, at least I remember
reading a long thread that was specifically related to DP outputs and
from last spring.

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Thread

Dual GPU dual display support in Debian? Anssi Saari <as@sci.fi> - 2021-09-15 09:20 +0200
  Re: Dual GPU dual display support in Debian? Felix Miata <mrmazda@earthlink.net> - 2021-09-15 09:50 +0200
  Re: Dual GPU dual display support in Debian? Linux-Fan <Ma_Sys.ma@web.de> - 2021-09-15 12:00 +0200
    Re: Dual GPU dual display support in Debian? Anssi Saari <as@sci.fi> - 2021-09-15 13:30 +0200
      Re: Dual GPU dual display support in Debian? Linux-Fan <Ma_Sys.ma@web.de> - 2021-09-15 16:30 +0200

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