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#1 2019-08-30 13:25:43

ayhon
Member
Registered: 2019-06-10
Posts: 2

Nouveau problems when shutting down laptop

Hello.
I recently did an install of Arch Linux (Plasma with i3 as WM, SDDM as DM, rEFInd as a bootloader from a previous Manjaro installation) in my laptop which has two drivers, intel and nVidia (MX 150) ones.

When trying optimus-manager, switching to nVidia with optimus-manager --switch nvidia, saw this new error on the screen, preventing the laptop from powering off. The problem persisted after I tried simply powering it off.

[2506.547765] nouveau 0000:01:00.0: tmr: stalled at ffffffffffffffff
[2506.550834] nouveau 0000:01:00.0: tmr: stalled at ffffffffffffffff

When booting back into Arch, I saw this new error:

[2506.342162] nouveau 0000:01:00.0: DRM: Pointer to TMDS table invalid

I saw this post on this forum that seemed to have the same problem as me, but when I added the kernel parameter modprobe.blacklist=nouveau, the problem remained unsolved.

I didn't plan to use nouveau as my nVidia drivers, but the propietary nvidia one. I installed mesa for intel.
The output of lscpi -k | grep -A 2 -E "(VGA|3D)" is:

[ayhon@zlit ~]$ lspci -k | grep -A 2 -E "(VGA|3D)"
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 620 (rev 07)
        Subsystem: Xiaomi UHD Graphics 620
        Kernel driver in use: i915
--
01:00.0 3D controller: NVIDIA Corporation GP108M [GeForce MX150] (rev a1)
        Subsystem: Xiaomi GP108M [GeForce MX150]
        Kernel driver in use: nouveau

even after I blacklisted nouveau.

I can't seem to be able to uninstall nouveau with sudo pacman -R xf86-video-nvidia or sudo pacman -R nouveau.

Last edited by ayhon (2019-08-30 13:32:36)

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#2 2019-08-30 13:29:48

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 7,256

Re: Nouveau problems when shutting down laptop

Install bbswitch instead and configure optimus-manager to use bbswitch for turning off the nvidia card. You should also install the nvidia driver if you intend to use it.

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#3 2019-08-30 13:36:43

ayhon
Member
Registered: 2019-06-10
Posts: 2

Re: Nouveau problems when shutting down laptop

I did install the nvidia driver, but after installing optimus-manager from the AUR it fell back to nouveau.

I'll look into bbswitch, thanks for the info

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#4 2019-08-30 13:38:02

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 7,256

Re: Nouveau problems when shutting down laptop

Yes optimus-manager will by default load the noveau module in order to disable the graphics chip, on more modern ones, nouveau usually has a slew of other compatibility issues, while bbswitch does a relatively straight forward disablement of the GPU. There's an option you can configure in optimus-manager so that it prefers bbswitch over nouveau for this purpose.

Last edited by V1del (2019-08-30 13:38:17)

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