https://bugs.kde.org/show_bug.cgi?id=402827
kde@grau.net changed:
What|Removed |Added
Resolution|WAITINGFORINFO |FIXED
Status|NEEDSINFO
https://bugs.kde.org/show_bug.cgi?id=402827
--- Comment #28 from JordanL ---
I can't reproduce it (since returning to Plasma Wayland with 5.22.5), however I
did replace my monitors with new ones which have far fewer issues with this
sort of thing than my previous ones.
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kde@grau.net changed:
What|Removed |Added
Resolution|--- |WAITINGFORINFO
Status|REOPENED
https://bugs.kde.org/show_bug.cgi?id=402827
Anthony Messina changed:
What|Removed |Added
CC||amess...@messinet.com
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k...@disguised.io changed:
What|Removed |Added
CC||k...@disguised.io
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--- Comment #26 from Rainer Finke ---
Since Plasma 5.19 beta I can turn off and on the monitor with the power button
without any crash of kwin. Seems like there is a fix that helped at least on my
system.
Operating System: Arch Linux
KDE Plasma
https://bugs.kde.org/show_bug.cgi?id=402827
Rainer Finke changed:
What|Removed |Added
Version|5.16.90 |5.18.0
--- Comment #25 from Rainer Finke ---
https://bugs.kde.org/show_bug.cgi?id=402827
Stijn Tintel changed:
What|Removed |Added
Status|RESOLVED|REOPENED
Resolution|FIXED
https://bugs.kde.org/show_bug.cgi?id=402827
Roman Gilg changed:
What|Removed |Added
Status|REPORTED|RESOLVED
Resolution|---
https://bugs.kde.org/show_bug.cgi?id=402827
Jasmin Buchert changed:
What|Removed |Added
CC||jbuchert+kdeb...@gmail.com
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Rainer Finke changed:
What|Removed |Added
Version|5.15.90 |5.16.90
--- Comment #22 from Rainer Finke ---
https://bugs.kde.org/show_bug.cgi?id=402827
Rainer Finke changed:
What|Removed |Added
Version|5.15.0 |5.15.90
--- Comment #21 from Rainer Finke ---
https://bugs.kde.org/show_bug.cgi?id=402827
JordanL changed:
What|Removed |Added
Version|5.14.4 |5.15.0
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--- Comment #20 from JordanL ---
Just retested on Arch with Plasma 5.15.0, KDE frameworks 5.55.0, Qt 5.12.1,
same hardware as before.
Bug is still present, when monitors turn off due to power saving. kwin_wayland
dumps core.
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--- Comment #19 from Rainer Finke ---
The segfault is happening only when turning the monitor on. It seems like kwin
doesn't get the monitor, at least not fast enough. The referenced bug report
contains my segfault, but I will test again at the
https://bugs.kde.org/show_bug.cgi?id=402827
--- Comment #18 from JordanL ---
Well that's progress at least, I might be able to use the Wayland session full
time if so. Could you get the backtrace from the segfault when you turn the
monitor off? In case it's different?
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--- Comment #17 from Rainer Finke ---
After the upgrade to Plasma 5.15 beta kwin doesn't segfault anymore, if the
monitor is turned off via the power settings after e.g. 5 minutes. I can then
just continue to work with the Plasma session on wayland
https://bugs.kde.org/show_bug.cgi?id=402827
Martin Flöser changed:
What|Removed |Added
CC||m...@rainer-finke.de
--- Comment #16 from
https://bugs.kde.org/show_bug.cgi?id=402827
--- Comment #15 from Martin Flöser ---
It's still the same. Backtraces are top to bottom
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--- Comment #14 from JordanL ---
"svn patch" would't play ball, so I manually applied the patch to 5.14.4 and
rebuilt. The issue still occurs. The backtrace is different though, so I think
this is progress. The backtrace differs from #8 onwards as far
https://bugs.kde.org/show_bug.cgi?id=402827
--- Comment #13 from JordanL ---
I'll attempt to test this patch, any info you can point me to to help me
rebuild kwin with it? Worst case I could manually apply the changes in the src
and rebuild but I'm sure there's a quicker way!
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--- Comment #12 from Martin Flöser ---
a shot in the blue patch: https://phabricator.kde.org/D17985
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--- Comment #11 from Martin Flöser ---
My theory is that no screens are temporarily connected and we try to render.
>From what I can see in the code is that we possibly don't handle the situation
correctly. It looks like we don't allow the count to go
https://bugs.kde.org/show_bug.cgi?id=402827
Martin Flöser changed:
What|Removed |Added
Status|NEEDSINFO |REPORTED
Component|wayland-generic
https://bugs.kde.org/show_bug.cgi?id=402827
--- Comment #9 from JordanL ---
Attached a new log, "Log of all threads before raise is called".
This is a backtrace of all kwin threads at the point it called raise(). I
believe thread 1 is the thread that is relevant here:
Thread 1 (Thread
https://bugs.kde.org/show_bug.cgi?id=402827
--- Comment #8 from JordanL ---
Created attachment 117283
--> https://bugs.kde.org/attachment.cgi?id=117283=edit
Log of all threads before raise is called
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--- Comment #7 from JordanL ---
Debugger log after rebuilding glibc with debug:
Continuing.
[Detaching after fork from child process 1548]
Thread 1 "kwin_wayland" received signal SIGABRT, Aborted.
__GI_raise (sig=sig@entry=6) at
https://bugs.kde.org/show_bug.cgi?id=402827
--- Comment #6 from JordanL ---
I worked out how to attach the debugger while kwin_wayland is still running. It
throws SIGABRT when calling raise() in /usr/lib/libc.so.6 - so I will now
rebuild glibc with debug symbols and see if that gets me anywhere.
https://bugs.kde.org/show_bug.cgi?id=402827
--- Comment #5 from JordanL ---
Created attachment 117281
--> https://bugs.kde.org/attachment.cgi?id=117281=edit
New log after rebuilding kwin and mesa with debug symbols
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--- Comment #4 from JordanL ---
Sorry, even after installing kwin and mesa built with debug symbols, I get no
backtrace and have no idea where to go next. I've attached the latest log I get
(log4.txt).
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--- Comment #3 from JordanL ---
Seems I also need to rebuild kwin with debug symbols (makes sense!). Think I'm
close to having the backtrace now.
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--- Comment #2 from JordanL ---
Any idea which (if any) packages I need to rebuild with debug symbols? It looks
like I need to rebuild mesa but I'm not 100% sure.
$ pacman -Qo /usr/lib/libgbm.so.1.0.0
/usr/lib/libgbm.so.1.0.0 is owned by mesa 18.3.1-1
https://bugs.kde.org/show_bug.cgi?id=402827
Martin Flöser changed:
What|Removed |Added
Resolution|--- |BACKTRACE
Status|REPORTED
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