[kde] [Bug 461094] New: Graphics and some graphics card functionality broken after computer is put to sleep for a long period of time.

[kaiser]

https://bugs.kde.org/show_bug.cgi?id=461094

            Bug ID: 461094
           Summary: Graphics and some graphics card functionality broken
                    after computer is put to sleep for a long period of
                    time.
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: lolgogarty at gmail.com
  Target Milestone: ---

Created attachment 153249
  --> https://bugs.kde.org/attachment.cgi?id=153249&action=edit
It is a screenshot of my Steam client that is suffering from this bug, it also
has a pop-up error from OBS that says I cannot use the NVENC encoding on my
graphics card (this is resolved by a reboot)

When my desktop is put to sleep for a long period (by  pressing ctrl + l then
pressing the sleep button in SDDM), It will often make the wallpaper background
nothing but a bunch of bands of different colors, this also happens to the
desktop, although the desktop can simply be "fixed" by clicking around.

Some applications also suffer because of this, the Steam client becomes a mess,
everything becomes different colors similar to the lock screen and desktop, but
even after clicking around to "fix" this, Steam will then continue to only
render videos on pages, everything else being black, for example on profiles or
store pages, this carries onto the steam overlay as well, and some drop-down
menus at the top of the steam client or the friends list, they will just become
black boxes with no text or buttons visible.

Some graphics card functionality also becomes unusable until reboot, for
example when this happens sometimes I cannot use any NVENC encoding in OBS, it
reports an unknown error and to check if my video drivers are up-to-date (they
are).

Besides that, sometimes the browser just becomes completely black as well,
clicking around after a long sleep fixes this as well, but this can re-occur
when opening a game in full-screen for example.

Most other applications from what I can see, are not impacted, for example
Discord doesn't suffer any of these issues despite me running it with GPU
acceleration enabled.

I suspect the issue lies somewhere with how the GPU is "woken up"? for a lack
of a better term, despite this, I do *not* notice any performance issues in
games after a long sleep.

STEPS TO REPRODUCE
1.  lock screen for a long period of time, over night
2.  wake up computer, login


OBSERVED RESULT
color bands everywhere, applications not working correctly, unable to encode
streams.


EXPECTED RESULT
A normal desktop experience with working applications


SOFTWARE/OS VERSIONS
Linux: Void Linux with kernel version 5.19.16_1
KDE Plasma Version: 5.26.0
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.5

ADDITIONAL INFORMATION

I tested out  some other DE's and WM's including Gnome, XFCE4 and Fluxbox over
the period of a few days each at the minimum, and none of them had any of these
issues.

Image of the issue happening is attached.
Thanks.

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