[Nouveau] new GP107

[James]

On 2018-12-09 12:41 a.m., Ilia Mirkin wrote:
> On Sun, Dec 9, 2018 at 12:24 AM James <bjlockie at lockie.ca> wrote:
>
>> # dmesg | grep -i nouveau
>>> [    2.171473] fb: switching to nouveaufb from VESA VGA
>>> [    2.171595] nouveau 0000:01:00.0: NVIDIA GP107 (137000a1)
>>> [    2.286501] nouveau 0000:01:00.0: bios: version 86.07.39.80.5e
>>> [    2.287672] nouveau 0000:01:00.0: fb: 2048 MiB GDDR5
>>> [    3.573113] nouveau 0000:01:00.0: DRM: VRAM: 2048 MiB
>>> [    3.573114] nouveau 0000:01:00.0: DRM: GART: 536870912 MiB
>>> [    3.573116] nouveau 0000:01:00.0: DRM: BIT table 'A' not found
>>> [    3.573117] nouveau 0000:01:00.0: DRM: BIT table 'L' not found
>>> [    3.573119] nouveau 0000:01:00.0: DRM: TMDS table version 2.0
>>> [    3.573120] nouveau 0000:01:00.0: DRM: DCB version 4.1
>>> [    3.573121] nouveau 0000:01:00.0: DRM: DCB outp 00: 01000f42 04620030
>>> [    3.573123] nouveau 0000:01:00.0: DRM: DCB outp 01: 02011f62 04620010
>>> [    3.573124] nouveau 0000:01:00.0: DRM: DCB outp 02: 02822f76 04600020
>>> [    3.573125] nouveau 0000:01:00.0: DRM: DCB outp 03: 02022f72 04620020
>>> [    3.573126] nouveau 0000:01:00.0: DRM: DCB conn 00: 00001031
>>> [    3.573127] nouveau 0000:01:00.0: DRM: DCB conn 01: 00010161
>>> [    3.573128] nouveau 0000:01:00.0: DRM: DCB conn 02: 00020246
>>> [    3.844431] nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies
>>> [    3.983733] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 122124 [ IBUS ]
>>> [    4.091733] nouveau 0000:01:00.0: DRM: allocated 1920x1200 fb: 0x200000, bo (____ptrval____)
>>> [    4.160682] fbcon: nouveaufb (fb0) is primary device
>>> [    4.160758] nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device
>>> [    4.192044] [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on minor 0
>>
>> # tail /var/log/Xorg.0.log
>>> [  2798.820] (EE) glamor0: GL error: GL_OUT_OF_MEMORY in glTexSubImage
>>> [  2798.820] (WW) glamor: Failed to allocate 11x8 FBO due to GL_OUT_OF_MEMORY.
>>> [  2798.820] (WW) glamor: Expect reduced performance.
>>
>> Is this a bug?
> 
> Something's failing bigtime - GL can't allocate a texture or other
> buffer. Not really enough info here, but perhaps something interesting
> in dmesg after this happens. I'd recommend using xf86-video-nouveau
> though, instead of modesetting, since it doesn't involve trying to use
> GL all the time.
> 
>    -ilia

What has lubuntu done?

# apt install xf86-video-nouveau
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package xf86-video-nouveau

# apt-cache search xf86-video-nouveau
xserver-xorg-video-nouveau - X.Org X server -- Nouveau display driver

# apt install xserver-xorg-video-nouveau
Reading package lists... Done
Building dependency tree
Reading state information... Done
xserver-xorg-video-nouveau is already the newest version (1:1.0.15-3).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.


https://nouveau.freedesktop.org/wiki/
> Little hope of reclocking becoming available for GM20x and newer GPUs as firmware now needs to be signed by NVIDIA to have the necessary access.
Is that why I get this:
# cat /sys/kernel/debug/dri/0/pstate cat: 
/sys/kernel/debug/dri/0/pstate: No such device

Can I see the current clocking with nouveau?
Everything should at least be readable.