Arch Linux

seth

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From: Won't reply 2 private help req

Registered: 2012-09-03

Posts: 75,277

Re: I have a problem with my gpu and arch linux

That's the simpledrm device - is this w/ a "nomodeset" boot? (that's pointless - we're using ssh to look at the broken system)

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PhilSzczeblinski

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Registered: 2025-07-18

Posts: 29

Re: I have a problem with my gpu and arch linux

Oh yeah sorry I forgot about that

PhilSzczeblinski

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Registered: 2025-07-18

Posts: 29

Re: I have a problem with my gpu and arch linux

/sys/class/drm/card1
/sys/class/drm/card1/edid: No such file or directory
=================
/sys/class/drm/card1-DP-1
EDID of '/sys/class/drm/card1-DP-1/edid' was empty.
=================
/sys/class/drm/card1-DP-2
EDID of '/sys/class/drm/card1-DP-2/edid' was empty.
=================
/sys/class/drm/card1-DP-3
EDID of '/sys/class/drm/card1-DP-3/edid' was empty.
=================
/sys/class/drm/card1-HDMI-A-1
EDID of '/sys/class/drm/card1-HDMI-A-1/edid' was empty.
=================

This is what it outputted this time

seth

Member

From: Won't reply 2 private help req

Registered: 2012-09-03

Posts: 75,277

Re: I have a problem with my gpu and arch linux

Great. No EDID. Likely why amdgpu thinks there's no output.

With  a little luck https://github.com/linuxhw/EDID/blob/ma … ADABB78D4D is your monitor.
http://0x0.st/8nNj.bin is the binary of that, try to inject that:  https://wiki.archlinux.org/title/Kernel … s_and_EDID

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PhilSzczeblinski

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Registered: 2025-07-18

Posts: 29

Re: I have a problem with my gpu and arch linux

Unfortunately I tried doing this but it still doesn't work. I might've done something wrong but I'm not sure. Anyways here's the system journal for that boot http://0x0.st/8nbo.txt

PhilSzczeblinski

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Registered: 2025-07-18

Posts: 29

Re: I have a problem with my gpu and arch linux

I think I know what might be going on

Last edited by PhilSzczeblinski (2025-07-21 18:04:31)

PhilSzczeblinski

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Registered: 2025-07-18

Posts: 29

Re: I have a problem with my gpu and arch linux

Still it's not working but I feel like this is going into the right path. This is the boot http://0x0.st/8ncr.txt

seth

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From: Won't reply 2 private help req

Registered: 2012-09-03

Posts: 75,277

Re: I have a problem with my gpu and arch linux

http://0x0.st/8nbo.txt still has

Jul 21 19:34:09 archlinux kernel: amdgpu 0000:08:00.0: [drm] Cannot find any crtc or sizes

http://0x0.st/8ncr.txt stops w/ the journal sync after the initramfs (so you might have rebooted that w/ the power button)

I think I know what might be going on …  I feel like this is going into the right path

"namely"?

Do you have more luck w/ forcing the output to be enabled?
https://wiki.archlinux.org/title/Kernel … cing_modes

Have you tried the other monitor?

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PhilSzczeblinski

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Registered: 2025-07-18

Posts: 29

Re: I have a problem with my gpu and arch linux

Yeah I think I'll try the other monitor because this is just annoying

PhilSzczeblinski

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Registered: 2025-07-18

Posts: 29

Re: I have a problem with my gpu and arch linux

So the problem all along was the monitor
I didn't expect that but thank you so so much for helping I'd never figure it out

seth

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From: Won't reply 2 private help req

Registered: 2012-09-03

Posts: 75,277

Re: I have a problem with my gpu and arch linux

Well, yeah - sort of.
The monitor clearly works before KMS - is it attached via HDMI or DisplayPort?

Injecting the edid btw. failed because "drm.25ADABB78D4D.txt=edid/8nNj.bin" is complete nonsense.
You could fix that and try again.

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PhilSzczeblinski

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Registered: 2025-07-18

Posts: 29

Re: I have a problem with my gpu and arch linux

I tried doing it correctly using "edid_firmware" but it still doesn't work. Should I also change the bin thing? And also its attached via hdmi

Last edited by PhilSzczeblinski (2025-07-22 07:18:59)

seth

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From: Won't reply 2 private help req

Registered: 2012-09-03

Posts: 75,277

Re: I have a problem with my gpu and arch linux

Can we see the "corretly using" journal?

cat /proc/cmdline
ls -l /usr/lib/firmware/

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PhilSzczeblinski

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Registered: 2025-07-18

Posts: 29

Re: I have a problem with my gpu and arch linux

BOOT_IMAGE=/vmlinuz-linux root=UUID=fda422e7-287e-4a26-89c2-bf1da4887a1e rw loglevel=3 quiet drm.edid_firmware=edid/8nNj.bin this is from the cat command

PhilSzczeblinski

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Registered: 2025-07-18

Posts: 29

Re: I have a problem with my gpu and arch linux

And im gonna send the other on in a second

PhilSzczeblinski

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Registered: 2025-07-18

Posts: 29

Re: I have a problem with my gpu and arch linux

But how should I send it. It's a lot of text

Last edited by PhilSzczeblinski (2025-07-22 12:52:37)

seth

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From: Won't reply 2 private help req

Registered: 2012-09-03

Posts: 75,277

Re: I have a problem with my gpu and arch linux

ls -l /usr/lib/firmware/edid

But you can pipe everything into 0x0.st

ls -l /usr/lib/firmware/edid | curl -F 'file=@-' 0x0.st

Also your journal, please.

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PhilSzczeblinski

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Registered: 2025-07-18

Posts: 29

Re: I have a problem with my gpu and arch linux

Thanks and also here it is http://0x0.st/8n1V.txt

Lone_Wolf

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From: Netherlands, Europe

Registered: 2005-10-04

Posts: 14,967

Re: I have a problem with my gpu and arch linux

Moderator Note
PhilSzczeblinski, please edit a post if no one has responded yet instead of creating a new one.

If you want a post deleted , use the report button.

Last edited by Lone_Wolf (2025-07-22 13:29:22)

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seth

Member

From: Won't reply 2 private help req

Registered: 2012-09-03

Posts: 75,277

Re: I have a problem with my gpu and arch linux

-rw-r--r-- 1 phil users 6215 Jul 21 19:15 25ADABB78D4D.txt

What is that?
You're supposed to put the binary EDID into that location and reference it as "drm.edid_firmware=edid/8nNj.bin" and in case you've amdgpu in the initramfs, you'll also have to add the edid  to the FILES array in your mkinitcpio.conf and regenerate the initramfs.
See https://wiki.archlinux.org/title/Kernel … s_and_EDID again.

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PhilSzczeblinski

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Registered: 2025-07-18

Posts: 29

Re: I have a problem with my gpu and arch linux

If you want a post deleted , use the report button.

Thanks for saying that because I didn't know that

Last edited by PhilSzczeblinski (2025-07-22 13:53:44)

PhilSzczeblinski

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Registered: 2025-07-18

Posts: 29

Re: I have a problem with my gpu and arch linux

I completely misunderstood that. I'm gonna fix it later

tekstryder

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Registered: 2013-02-14

Posts: 516

Re: I have a problem with my gpu and arch linux

Moderator Note
PhilSzczeblinski, please edit a post if no one has responded yet instead of creating a new one.

I completely misunderstood

Please stop multi-posting, as you were asked to in #44.