[Nouveau] [INVALID_ARG] mthd 0414

[Karol Herbst]

On Thu, Nov 18, 2021 at 2:59 PM dmanye <dmanye at urv.cat> wrote:
>
> hello,
>
> i have a problem and i think that it is in the nouveau driver. i hope
> you can help me...
>
> i have 20 identical computers with debian bullseye (11) installed (only
> "official" debian packages). sometimes some of them boot but the screen
> is remains in black. if i connect remotely i can see that the X session
> starts as expected (i have set a lightdm autologin). restarting lightdm
> does not help, but rebooting the computer solves the problem but it
> reappears here and there (when i boot all the computers, between 0 and 2
> usually get the black screen).
>

What kind of connector are you using? I have a gk208B GPU here so I
could see if I hit this bug if I just reboot often enough on 5.10

> i've noticed that this three lines appear always in dmesg when it fails:
>
> [    4.090415] nouveau 0000:07:00.0: disp: chid 0 stat 00004414 reason 4
> [INVALID_ARG] mthd 0414 data 00000000 code 00000001
> [    4.090430] nouveau 0000:07:00.0: disp: chid 0 stat 10004418 reason 4
> [INVALID_ARG] mthd 0418 data 00000000 code 00000001
> [    4.090445] nouveau 0000:07:00.0: disp: chid 0 stat 10004424 reason 4
> [INVALID_ARG] mthd 0424 data 00000000 code 00000001
>
> i can solve it without rebooting by unloading and loading again the
> nouveau driver
>
> kernel version is 5.10.46-4
>
> nouveau driver debian package is 1:1.0.17-1
>
> i attach dmesg log in case it could help.
>
> please don't hesitate to ask for more info if you need it.
>
> thank you in advance.
>
>