Nouveau - Oct 2017 - [Bug 103382] New: Flickering / Artifacts on TTY with GTX 1060

https://bugs.freedesktop.org/show_bug.cgi?id=103382

            Bug ID: 103382
           Summary: Flickering / Artifacts on TTY with GTX 1060
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: lukas at lwsabota.com
        QA Contact: xorg-team at lists.x.org

Created attachment 134957
  --> https://bugs.freedesktop.org/attachment.cgi?id=134957&action=edit
dmesg output

I have been unable to get a working TTY when using nouveau on my GTX 1060.  I
have been booting straight to TTY and the TTY flickers and blacks every few
seconds.  When my Ultrawide monitor is detected as the primary monitor, I also
see colored artifacts on the screen.  However, when I launch sway or a
compositor, the flickering/artifacting mostly stops, but the compositor seems
to be unstable.

I am testing with Arch Linux 64bit with Linux kernel 4.13.7, package version
"1.0.15-2" for extra/xf86-video-nouveau which is current with Arch
Linux extra
at the moment.

I have attached the EDID information for both of my monitors obtained via /sys.
 I have also attached `dmesg` output from booting into nouveau and running into
this issue.

Here is a link to the VBIOS that I have copied from /sys:
https://xannode.com/vbios.rom

Monitors connected via DisplayPort:
Samsung U28E590D 28-Inch UHD LED-Lit Monitor
LG Ultrawide Monitor

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--- Comment #1 from Lukas Sabota <lukas at lwsabota.com> ---
Created attachment 134958
  --> https://bugs.freedesktop.org/attachment.cgi?id=134958&action=edit
EDID for Samsung monitor

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--- Comment #2 from Lukas Sabota <lukas at lwsabota.com> ---
Created attachment 134959
  --> https://bugs.freedesktop.org/attachment.cgi?id=134959&action=edit
EDID for LG Ultrawide monitor

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--- Comment #3 from Lukas Sabota <lukas at lwsabota.com> ---
Created attachment 134960
  --> https://bugs.freedesktop.org/attachment.cgi?id=134960&action=edit
VBIOS

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--- Comment #4 from Ilia Mirkin <imirkin at alum.mit.edu> ---
One interesting part here:

[    7.578995] nouveau 0000:01:00.0: disp: 0x00006465[0]:
INIT_GENERIC_CONDITON: unknown 0x07
[    8.057232] nouveau 0000:01:00.0: disp: outp 01:0006:0f84: link rate
unsupported by sink

which happens every few seconds. Probably related.

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--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Created attachment 134961
  --> https://bugs.freedesktop.org/attachment.cgi?id=134961&action=edit
decoded edids

Ran the EDIDs through the latest edid-decode.

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--- Comment #6 from Lukas Sabota <lukas at lwsabota.com> ---
Created attachment 134962
  --> https://bugs.freedesktop.org/attachment.cgi?id=134962&action=edit
dmesg with debugging enabled

I booted again with nouveau and additional kernel parameters to provide more
verbose dmesg output.

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--- Comment #7 from Lukas Sabota <lukas at lwsabota.com> ---
Created attachment 134963
  --> https://bugs.freedesktop.org/attachment.cgi?id=134963&action=edit
Verbose dmesg output:  Booting with only LG Ultrawide

On this run, I only had the LG Ultrawide monitor physically connected to the
machine.  After the bootloader and a few (5-10) early console output lines, I
lost video signal to the monitor.

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--- Comment #8 from Lukas Sabota <lukas at lwsabota.com> ---
Created attachment 134964
  --> https://bugs.freedesktop.org/attachment.cgi?id=134964&action=edit
Verbose dmesg output: Booting only with Samsung 4K

In this test, I booted with only the Samsung 4K monitor attached.  There was no
flickering or artifacting in tty and no visible problems in sway.

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--- Comment #9 from caguduzexi at sharklasers.com ---
I wont recommend using/keeping the GP106 (GTX 1060). It cant ever run with free
software:
https://www.theregister.co.uk/2015/04/15/nvidia_gtx_900_linux_driver_roadbloack/
https://www.phoronix.com/scan.php?page=news_item&px=Nouveau-XDC2017
https://www.phoronix.com/scan.php?page=news_item&px=Nouveau-XDC2016-NVIDIA

Sell this crappy GP102 card away and go away from nvidia. Nvidia died with the
780ti card. Its the last end-user card that can be used normaly. Everything
else is in some countries even a legal problem. Because the manufacturer
(nvidia) blocks the users from beeing able to boot the software they want on
THEIR hardware - happyly illegal in some countries. Hopefully some layer would
sue the heck out of nvidia so that they would have to release the private
signing key or close their doors.
Blocking the freedom of the users on such way should not be accepted by anyone.

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--- Comment #10 from Martin Peres <martin.peres at free.fr> ---
(In reply to caguduzexi from comment #9)
> I wont recommend using/keeping the GP106 (GTX 1060). It cant ever run with
> free software:
> https://www.theregister.co.uk/2015/04/15/
> nvidia_gtx_900_linux_driver_roadbloack/
> https://www.phoronix.com/scan.php?page=news_item&px=Nouveau-XDC2017
>
https://www.phoronix.com/scan.php?page=news_item&px=Nouveau-XDC2016-NVIDIA
> 
> Sell this crappy GP102 card away and go away from nvidia. Nvidia died with
> the 780ti card. Its the last end-user card that can be used normaly.
> Everything else is in some countries even a legal problem. Because the
> manufacturer (nvidia) blocks the users from beeing able to boot the
software
> they want on THEIR hardware - happyly illegal in some countries. Hopefully
> some layer would sue the heck out of nvidia so that they would have to
> release the private signing key or close their doors.
> Blocking the freedom of the users on such way should not be accepted by
> anyone.
User banned

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Martin Peres <martin.peres at free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #11 from Martin Peres <martin.peres at free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/376.

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