[Nouveau] Nouveau on Ubuntu 20.04 LTS

Fri Oct 1 19:58:17 UTC 2021

On Fri, Oct 1, 2021 at 3:40 PM Ilia Mirkin <imirkin at alum.mit.edu> wrote:

> On Fri, Oct 1, 2021 at 3:36 PM Jerry Geis <jerry.geis at gmail.com> wrote:
> >
> >
> >
> > On Fri, Oct 1, 2021 at 3:27 PM Jerry Geis <jerry.geis at gmail.com> wrote:
> >>
> >>
> >>
> >> On Fri, Oct 1, 2021 at 3:20 PM Ilia Mirkin <imirkin at alum.mit.edu>
> wrote:
> >>>
> >>> On Fri, Oct 1, 2021 at 3:17 PM Jerry Geis <jerry.geis at gmail.com>
> wrote:
> >>> > On Fri, Oct 1, 2021 at 3:06 PM Ilia Mirkin <imirkin at alum.mit.edu>
> wrote:
> >>> >>
> >>> >> On Fri, Oct 1, 2021 at 3:00 PM Jerry Geis <jerry.geis at gmail.com>
> wrote:
> >>> >> > lsmod | grep nouveau
> >>> >> >
> >>> >> > What dont I have ?
> >>> >>
> >>> >> nouveau :)
> >>> >>
> >>> >> Other than that, you got everything...
> >>> >>
> >>> >> Check dmesg for errors.
> >>> >>
> >>> >> Cheers,
> >>> >>
> >>> >>   -ilia
> >>> >
> >>> >
> >>> > I see this:
> >>> > Oct  1 15:11:21 mediaport57 /usr/lib/gdm3/gdm-x-session[1546]: (==)
> Matched nouveau as autoconfigured driver 0
> >>>
> >>> This is not dmesg. This is some log file. Please look in dmesg.
> >>>
> >>> > Oct  1 15:11:23 mediaport57 /usr/lib/gdm3/gdm-x-session[1546]: (**)
> VESA(0): Using "Shadow Framebuffer"
> >>>
> >>> X is using the VESA driver because nouveau (nor any other DRM driver)
> is loaded.
> >>>
> >>> >
> >>> > So it seems like its loading .... but perhaps its not happy ????
> >>> >
> >>> > What do I do  ?
> >>>
> >>> Check dmesg for why nouveau didn't load.
> >>>
> >>>   -ilia
> >>
> >>
> >>  grep -i nouveau /var/log/dmesg
> >> [   19.934733] kernel: fb0: switching to nouveaufb from VESA VGA
> >> [   20.013197] kernel: nouveau 0000:03:00.0: vgaarb: deactivate vga
> console
> >> [   20.013415] kernel: nouveau 0000:03:00.0: NVIDIA GT218 (0a8200b1)
> >> [   20.159472] kernel: nouveau 0000:03:00.0: bios: version
> 70.18.45.00.00
> >> [   20.162603] kernel: nouveau 0000:03:00.0: fb: 512 MiB DDR3
> >> [   21.552858] kernel: nouveau 0000:03:00.0: DRM: VRAM: 512 MiB
> >> [   21.552873] kernel: nouveau 0000:03:00.0: DRM: GART: 1048576 MiB
> >> [   21.552888] kernel: nouveau 0000:03:00.0: DRM: TMDS table version 2.0
> >> [   21.552900] kernel: nouveau 0000:03:00.0: DRM: DCB version 4.0
> >> [   21.552911] kernel: nouveau 0000:03:00.0: DRM: DCB outp 00: 01000302
> 00000030
> >> [   21.552924] kernel: nouveau 0000:03:00.0: DRM: DCB outp 01: 02000300
> 00000000
> >> [   21.552937] kernel: nouveau 0000:03:00.0: DRM: DCB outp 02: 02011362
> 00020010
> >> [   21.552950] kernel: nouveau 0000:03:00.0: DRM: DCB conn 00: 00001030
> >> [   21.552961] kernel: nouveau 0000:03:00.0: DRM: DCB conn 01: 00002161
> >> [   21.568834] kernel: nouveau 0000:03:00.0: DRM: MM: using COPY for
> buffer copies
> >> [   21.645206] kernel: nouveau 0000:03:00.0: DRM: allocated 1920x1080
> fb: 0x70000, bo (____ptrval____)
> >> [   21.648681] kernel: fbcon: nouveaudrmfb (fb0) is primary device
> >> [   21.837701] kernel: nouveau 0000:03:00.0: [drm] fb0: nouveaudrmfb
> frame buffer device
> >> [   21.873290] kernel: [drm] Initialized nouveau 1.3.1 20120801 for
> 0000:03:00.0 on minor 0
>
> I was looking for you to just run "dmesg", BTW, not read a log file.
>
> >>
> >> lsmod | grep nouveau
> >> nouveau              1986560  30
> >> mxm_wmi                16384  1 nouveau
> >> i2c_algo_bit           16384  1 nouveau
> >> drm_ttm_helper         16384  1 nouveau
> >> ttm                    73728  2 drm_ttm_helper,nouveau
> >> drm_kms_helper        237568  1 nouveau
> >> drm                   548864  25
> drm_kms_helper,drm_ttm_helper,ttm,nouveau
> >> video                  53248  1 nouveau
> >> wmi                    32768  2 mxm_wmi,nouveau
> >>
> >> I took off ALL extra kernel command paramters - nothing specific to
> nouveau - and I got better results. however - video is still dropping
> frames.
>
> Perhaps you had a "nomodeset" in there? That would prevent nouveau
> from doing anything useful, although I think it'd still load in that
> case.
>
> >>
> >> So progress. but still no good.
>
> Check xorg log to make sure you see NOUVEAU lines, not modeset lines.
> If you see modeset lines, make sure you force the nouveau DDX driver
> to load. (Some distros think it's funny to prevent it from loading by
> default...)
>
> >>
> >> Jerry
> >
> >
> > I see this error:
> > nouveau 0000:03:00.0: Direct firmware load for nouveau/nva8_fuc084 failed
> >
> > I did apt-file search nva8_fuc084
> > and it did not return anything.
>
> This is for video decoding acceleration (vdpau / va-api). You can set
> this up by following the instructions at
> https://nouveau.freedesktop.org/VideoAcceleration.html . Note that
> it's hardly perfect.
>
> Cheers,
>
>   -ilia
>

These were the kernel command line items I removed.
acpi=off pci=nomsi

The machine seems happier - now - althought I no longer have sound for some
reason - but after installing the firmware - CPU % is way down.
Thanks

Jerry
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