this post was submitted on 16 Apr 2024
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My GPU is gone (sopuli.xyz)
submitted 6 months ago* (last edited 6 months ago) by thomasdouwes@sopuli.xyz to c/archlinux@lemmy.ml
 

I have an optimus laptop, and after the update to KDE6 optimus-manager stopped working. I needed a second display, and all my display outputs are on the Nvdia GPU, so I needed to switch. I tried many different X11 configs, envycontrol then more X11 configs, but I couldn't get it working right, it would only be the internal display or the external one, not both. after a few hours I gave up and tried optimus-manager again. This time I checked the error log and it was failing to load the nvidia module, I tried loading it manually but I got a "No such device" error, which is where the title of the post comes in. My GPU has disappeared from linux, it won't show up in lspci, lshw, nvidia-smi, or anything else it should. The only reference to the thing in dmesg I can find are :

[    0.216410] pci 0000:01:00.0: [10de:1ba1] type 00 class 0x030000
[    0.216419] pci 0000:01:00.0: reg 0x10: [mem 0xde000000-0xdeffffff]
[    0.216427] pci 0000:01:00.0: reg 0x14: [mem 0xc0000000-0xcfffffff 64bit pref]
[    0.216435] pci 0000:01:00.0: reg 0x1c: [mem 0xd0000000-0xd1ffffff 64bit pref]
[    0.216440] pci 0000:01:00.0: reg 0x24: [io  0xe000-0xe07f]
[    0.216445] pci 0000:01:00.0: reg 0x30: [mem 0xdf000000-0xdf07ffff pref]
[    0.216460] pci 0000:01:00.0: Enabling HDA controller
[    0.257300] pci 0000:01:00.0: vgaarb: bridge control possible
[    0.257300] pci 0000:01:00.0: vgaarb: VGA device added: decodes=io+mem,owns=none,locks=none
[    0.270521] pci 0000:01:00.1: D0 power state depends on 0000:01:00.0

and then nothing, it doesn't even seem to try to load the nvidia module. I tried booting into windows and it shows up there fine, so the GPU didn't randomly die.
As far as I can tell I've rolled back everything I did in my histfile until it stopped working, The only thing I could think is I upgraded my kernel to (6.7.9) from (6.6.10), could that have caused it? I also tried adding pcie_port_pm=off to the kernel params from the archwiki, but still nothing. I'm just at a loss here, anyone have any ideas?

EDIT: I'm using the nvidia-dkms package
EDIT2: one kernel downgrade later and it's still not appearing, so thats not it.
EDIT3: fixed, see comments

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[–] thomasdouwes@sopuli.xyz 1 points 6 months ago (2 children)

I don't seem to have an -F on my dkms? when I ran that it without, it didn't rebuild all the DKMS modules for some reason, just bbswitch and evdi

[–] taaz@biglemmowski.win 2 points 6 months ago* (last edited 6 months ago)

ah the -F might be wrong then actually, I was playing with custom kernels recently and my dkms is a mess, wouldn't worry about that option

[–] thomasdouwes@sopuli.xyz 1 points 6 months ago

dkms status doesn't even list half of my DKMS modules for some reason