Nouveau - Oct 2017 - [Bug 103132] New: GTX 1060 6GB corrupts screen drawing in Kconsole and other apps

https://bugs.freedesktop.org/show_bug.cgi?id=103132

            Bug ID: 103132
           Summary: GTX 1060 6GB corrupts screen drawing in Kconsole and
                    other apps
           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: barry at barrys-emacs.org
        QA Contact: xorg-team at lists.x.org

Created attachment 134723
  --> https://bugs.freedesktop.org/attachment.cgi?id=134723&action=edit
dmesg output

After updating to fedora kernel 4.12.5-300 from 4.11.11-300 screen is drawn
with
corrupt areas.

For example login using KDE and start a new Konsole and start typing at the
bash prompt to see the problem.

Text is not drawn cleanly, it is overlayed with blobs that come and go.

Also seen in PyQt apps and firefix.

Problem is still present in 4.13.4-200.fc26.x86_64.

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barry at barrys-emacs.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|GTX 1060 6GB corrupts       |GTX 1060 6GB corrupts
                   |screen drawing in Kconsole  |screen drawing in Konsole
                   |and other apps              |and other apps

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On Saturday, 7 October 2017 11:20:03 BST bugzilla-daemon at freedesktop.org 
wrote:
> https://bugs.freedesktop.org/show_bug.cgi?id=103132
> 
> barry at barrys-emacs.org changed:
> 
>            What    |Removed                     |Added
>
----------------------------------------------------------------------------
> Summary|GTX 1060 6GB corrupts       |GTX 1060 6GB corrupts
>                    |screen drawing in Kconsole
  |screen drawing in Konsole
>                    |and other apps              |and other apps
Is there any experiment I can run to help debug this?

Barry

https://bugs.freedesktop.org/show_bug.cgi?id=103132

--- Comment #1 from barry at barrys-emacs.org ---
On Saturday, 7 October 2017 11:20:03 BST bugzilla-daemon at freedesktop.org 
wrote:
> https://bugs.freedesktop.org/show_bug.cgi?id=103132
> 
> barry at barrys-emacs.org changed:
> 
>            What    |Removed                     |Added
>
----------------------------------------------------------------------------
> Summary|GTX 1060 6GB corrupts       |GTX 1060 6GB corrupts
>                    |screen drawing in Kconsole
  |screen drawing in Konsole
>                    |and other apps              |and other apps
Is there any experiment I can run to help debug this?

Barry

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--- Comment #2 from Ilia Mirkin <imirkin at alum.mit.edu> ---
My guess is that the difference is due to enablement of acceleration? Not sure
if that's when GP106 happened though. You could boot with nouveau.noaccel=1
to
disable it.

I've recently fixed a bug in mesa introduced in 17.2 which could maybe cause
some of these issues. What version of mesa are you using? [commit
b20bccbcacc6170cfc4f18332491131df5bac811 upstream.]

"Overlayed with blobs" generally means either texture corruption or
...
something else.

Are you using the 'modesetting' DDX? If so, I strongly recommend using
the
'nouveau' one.

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--- Comment #3 from barry at barrys-emacs.org ---
nouveau.noaccel=1 seems to fix the problem.

But your "modesetting" DDX comment made me dig into the Xorg config.
I was using the modesetting DDX and added the following config:

$ cat /etc/X11/xorg.conf.d/20-nouveau.conf 
Section "Device"
    Identifier "Nvidia card"
    Driver "nouveau"
EndSection

That also seems to fix the problem.

I'm saying "seems" because I have not done a lot of testing.

I will update this bug once I have made sure this is "user error" (no
nouveau
config).

Oh and mesa is at 17.2.2-2.fc26.x86_64.

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--- Comment #4 from barry at barrys-emacs.org ---
The problems are all gone.

Please chalk this up to user error
- did not configure Xorg to use the nouveau driver.

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--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to barry from comment #4)
> The problems are all gone.
> 
> Please chalk this up to user error
> - did not configure Xorg to use the nouveau driver.
More like "distro error" -- "listened to the cacophony of people
saying
modesetting is the way to go".

The real issue is that there's some issue in the GL, hence the display
issues.
Now they will be limited to applications that use GL [which sadly is "a
lot"
these days].

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--- Comment #6 from barry at barrys-emacs.org ---
I raised this with fedora:

https://bugzilla.redhat.com/show_bug.cgi?id=1483037

and have updated to comment that the wrong driver is might be used by default.

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--- Comment #7 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 #8 from Martin Peres <martin.peres at free.fr> ---
(In reply to caguduzexi from comment #7)
> 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
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED

--- Comment #9 from Martin Peres <martin.peres at free.fr> ---
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