https://bugs.kde.org/show_bug.cgi?id=361019

Aicko Yves Schumann <ay.schum...@gmail.com> changed:

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                 CC|                            |ay.schum...@gmail.com

--- Comment #1 from Aicko Yves Schumann <ay.schum...@gmail.com> ---
I am seeing the same bug of random freezes which require a complete reboot. It
seems that this bug is troubling many other users, too. At the moment Plasma 5
is not at all usable and it should not be labeled "stable release". Don't get
me wrong, I love KDE and I appreciate the hard work that goes into its
development, but that this bug is still being ignored after months of hundreds
of bug reports by many different users is very concerning. I wished KDE
developers would go back to making KDE stable first before adding shiny
features that are nice gimmicks but do not really add value. I expect these
types of errors only in factory versions, but once a package is deemed to be a
"stable release", i.e. supposedly making it "production-system ready", severe
bugs that take down the whole system about 20 times a day should really not
longer exist. 

For me:
Reproducibility: ALWAYS
Easiest ways to reproduce:
No. 1: Lock screen, get a coffee, and once you are back, you cannot longer log
in. Locking the screen and immediately logging in again seems to work, though.
The key is leaving the system "dormant" for a few minutes.
No. 2: You do not even have to lock the screen. Just do nothing for a few
minutes and the system freezes up.

Maybe it has something to do with some power saving settings? The problem in
question seems to be related to kwin, however, deactivating composition or
using other backends does not solve the problem in my case.

Version Summary:
Plasma 5 Version 5.5.5
Using:
KDE Frameworks 5.19.0
Qt 5.5.1 (built against 5.5.1)
The xcb windowing system
Breeze decorations

Should be relabeled "Factory", because it is not usable. Major versions should
only be advanced once fundamental bugs are sorted out. KDE 5.5 suggests a
mature version, but this bug is haunting KDE since 5.0.

Please note, as of Xlog the X server is not crashing! It really is some
combination of sddm and KDE/kwin. 
Hardware: NVIDIA 980Ti, newest proprietary driver -- NVIDIA-Linux-x86_64-361.28 
(sorry, but nouveau does not cut it in my line of work).
TTY1, for instance, works and running 
DISPLAY=:0 kwin_x11 --replace
unfreezes until the next freeze.

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