Nouveau - Sep 2018 - [Bug 107780] New: Screen is periodically replaced with image of screen from some time since boot

https://bugs.freedesktop.org/show_bug.cgi?id=107780

            Bug ID: 107780
           Summary: Screen is periodically replaced with image of screen
                    from some time since boot
           Product: Mesa
           Version: 18.1
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: z.figura12 at gmail.com
        QA Contact: nouveau at lists.freedesktop.org

Created attachment 141406
  --> https://bugs.freedesktop.org/attachment.cgi?id=141406&action=edit
dmesg output

Sorry for the somewhat strange title, it's kind of hard to describe this
bug.

Every few seconds, simply while normally using the desktop, the entire contents
of the screen will be replaced by the contents, as they were apparently
captured at some fixed point since boot. That is, it is as if at some point the
contents of the screen will be captured, and thereafter swapped to the screen
every few seconds. The screen is wholly and cleanly replaced, i.e. there are
none of the usual signs of "garbage". Parts of the screen will update
as
normally, if they are triggered to be repainted, but the rest of the screen
will contain this old image.

It's not clear to me what triggers this. Sometimes it will start almost
immediately after starting an X session, sometimes it will take a long time to
start happening. The frequency may similarly vary—to generalize, I'd
estimate
about every 5-15 seconds.

Regardless, the fact that it happens every few seconds makes the computer
extremely frustrating to use.

I've actually experienced this bug since a fairly long time ago, probably on
the order of a couple years. My solution to it then was just to install the
Nvidia binary driver, which did not present me with this problem. However, my
priorities have changed, and now I would really quite like to fix this bug and
be able to use the Nouveau driver. I've tried to follow all of the
instructions
for bug reporting; please let me know if there's any information I'm
missing,
or extra logs or testing that I can provide. Knowing that developer resources
are scarce I'm even willing to try to debug this myself, if nudged in the
right
direction.

zeb at terabithia:~$ inxi -SG --display :0
System:    Host: terabithia Kernel: 4.9.124-3-MANJARO x86_64 bits: 64 Desktop:
Xfce Distro: Manjaro Linux 
Graphics:  Device-1: NVIDIA GM107 [GeForce GTX 750] driver: nouveau v: kernel 
           Display: x11 server: X.Org 1.20.1 driver: nouveau resolution:
1280x1024~75Hz, 1366x768~60Hz 
           OpenGL: renderer: NV117 v: 4.3 Mesa 18.1.6

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https://bugs.freedesktop.org/show_bug.cgi?id=107780

--- Comment #1 from Zebediah Figura <z.figura12 at gmail.com> ---
Created attachment 141407
  --> https://bugs.freedesktop.org/attachment.cgi?id=141407&action=edit
X server log

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https://bugs.freedesktop.org/show_bug.cgi?id=107780

Zebediah Figura <z.figura12 at gmail.com> changed:

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

--- Comment #2 from Zebediah Figura <z.figura12 at gmail.com> ---
Recently switched back from blob again and I don't seem to get this anymore,
so
tentatively marking as fixed.

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