#[Solved] Dual GPU & Tri Monitor not working, Nobara 41 Linux

1 messages · Page 1 of 1 (latest)

errant thistle
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I am currently trying to switch to Nobara (a fedora based Linux distoro) after using it for a while on my laptop, but after I installed it on my desktop I noticed that my two side monitors that are plugged into my secondary gpu where connected and detected but would only show a black screen and my cursor (if I moved it to that screen) but nothing else. In addition I could also get the sound from the GPU. The driver are up to date and both gpus can use that driver version, any ideas on how to fix this?

true plume
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Are you using Wayland or X11?

errant thistle
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I believe x11 currently is there a good method to check?

true plume
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loginctl show-session $(awk '/tty/ {print $1}' <(loginctl)) -p Type | awk -F= '{print $2}'
errant thistle
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I was wrong, it is currently running wayland

true plume
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Try to check if running with X11 fixes it

wheat vapor
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Since Wayland implementation will differ between DEs -- since this setup failed, I'm willing to bet it's GNOME, or at least one of the GPUs is Nvidia

errant thistle
errant thistle
wheat vapor
errant thistle
wheat vapor
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Hmm

wheat vapor
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I'm thinking it simply doesn't like outputting through multiple GPUs, though I have no idea why the cursor would show up in that case...

errant thistle
errant thistle
wheat vapor
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Soo yeah, it doesn't like outputting over 2 GPUs
Basically, the 3060 is running the Wayland compositor, but it refuses to tell the 1660 what it composites

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The cursor is somewhat above that (Mystery × Magic, I guess), so that renders right before output

errant thistle
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Hmmm okay, would switching to X11 potentially fix this?

wheat vapor
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Potentially yes
But Wayland is the one with all the goodies nowadays

errant thistle
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Yeah.....

wheat vapor
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...that is, if Nobara even ships X11

errant thistle
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I don't think it does.....

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As I don't see one

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Yeah no, Nobara 41 and higher do not ship with x11 packages

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Hm I think then for when I run Linux I will either have to plug all 3 into the 3060 or just use one display

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Thank you for your help!

wheat vapor
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Yup, no problem

errant thistle
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[Solved] Dual GPU & Tri Monitor not working, Nobara 41 Linux

ripe current
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rocky linux , linux mint have same exact issue

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this is NVIDIA controlling Who gets a NEW Blackwell gpu

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insane that there is no standard display control panel for your 10000's of nvidia gpus?

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I call fowl play by Nvidia

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MONOPOLY is a sick game

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There is one user I know who claims that he has no issues running a different distro for nvidia gpus