[Nouveau] [INVALID_ARG] mthd 0414

[dmanye]

On 18/11/21 16:13, Karol Herbst wrote:
> 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'm using vga cables. when the bug appears i can confirm with other 
computer that is not a cable/monitor problema. should i try other 
connector when the bug appears in case it chooses other output by 
mistake...?

thanks.

>
>> 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.
>>
>>