Hello, I just updated my system last night with the latest updates that were available in Discover. Now Discover is advising me that there are more updates but crashes about 10 seconds after opening, every time. I ran it in a console and got the following, both before and after rebooting:

Code: Select all

me@mine:~$ plasma-discover
adding empty sources model QStandardItemModel(0x55e447f7c380)
no packages for "org.kde.plasma.quicklaunch"
no packages for "org.kde.plasma.systemloadviewer"
no packages for "org.kde.plasma.showActivityManager"
no packages for "org.kde.plasma.grouping"
no packages for "org.olivevideoeditor.Olive"
no packages for "org.kde.plasma.diskquota"
no packages for "org.kde.plasma.timer"
no packages for "org.kde.kscreen"
no packages for "org.kde.plasma.appmenu"
no packages for "im.riot.webapp"
no packages for "org.kde.plasma.kimpanel"
no packages for "org.cockpit_project.cockpit"
invalid kns backend! "/usr/share/knsrcfiles/ksysguard.knsrc" because: "Config group not found! Check your KNS3 installation."
took really long to fetch PackageKitBackend(0x55e4477d9dd0)
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = plasma-discover path = /usr/bin pid = 7254
KCrash: Arguments: /usr/bin/plasma-discover
KCrash: Attempting to start /usr/lib/x86_64-linux-gnu/libexec/drkonqi from kdeinit
sock_file=/run/user/1000/kdeinit5__0
QSocketNotifier: Invalid socket 39 and type 'Read', disabling...
QSocketNotifier: Invalid socket 47 and type 'Read', disabling...
QSocketNotifier: Invalid socket 60 and type 'Read', disabling...
QSocketNotifier: Invalid socket 63 and type 'Read', disabling...
QSocketNotifier: Invalid socket 58 and type 'Read', disabling...
QSocketNotifier: Invalid socket 38 and type 'Read', disabling...
QSocketNotifier: Invalid socket 61 and type 'Read', disabling...
QSocketNotifier: Invalid socket 59 and type 'Read', disabling...
QSocketNotifier: Invalid socket 35 and type 'Read', disabling...
QSocketNotifier: Invalid socket 64 and type 'Read', disabling...
QSocketNotifier: Invalid socket 8 and type 'Read', disabling...
QSocketNotifier: Invalid socket 29 and type 'Read', disabling...
QSocketNotifier: Invalid socket 23 and type 'Read', disabling...
QSocketNotifier: Invalid socket 45 and type 'Read', disabling...
QSocketNotifier: Invalid socket 43 and type 'Read', disabling...
QSocketNotifier: Invalid socket 46 and type 'Read', disabling...

[1]+  Stopped                 plasma-discover

I then used pkcon to apply the updates it was notifying me about, which was the new 5.0.0-29 kernel. After applying that my system wouldn't even boot up to the login screen, so I reverted back to 5.0.0-27 and purged 5.0.0-29.

Discover continues to crash every time i try and use it.

Any idea why this is happening?

Thanks.

It seems to have resolved itself. How or why, I can't say.

Hi

I am also getting problems with Discover having just performed a clean Neon install. I can launch Discover but if I click on "Applications", "Application Addons", or "Plasma Addons" then it crashes. Also if there are any Flatpak updates then it also seems to crash. Here are my console logs:

Code: Select all

nharvey@neon-xps13:~$ plasma-discover
adding empty sources model QStandardItemModel(0x5631be3262e0)
no packages for "org.kde.plasma.quicklaunch"
no packages for "org.kde.plasma.systemloadviewer"
no packages for "org.kde.plasma.showActivityManager"
no packages for "org.kde.plasma.grouping"
no packages for "org.kde.plasma.diskquota"
no packages for "org.kde.plasma.timer"
no packages for "org.kde.kscreen"
no packages for "org.kde.plasma.appmenu"
no packages for "im.riot.webapp"
no packages for "org.kde.plasma.kimpanel"
no packages for "org.cockpit_project.cockpit"
invalid kns backend! "/usr/share/knsrcfiles/ksysguard.knsrc" because: "Config group not found! Check your KNS3 installation."
no org.audacityteam.Audacity.Codecs
Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.audacityteam.Audacity.Codecs.desktop"
no org.freedesktop.Platform.GL.default
Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.GL.default.desktop"
no org.freedesktop.Platform.VAAPI.Intel
Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.VAAPI.Intel.desktop"
no org.freedesktop.Platform.VAAPI.Intel
Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.VAAPI.Intel.desktop"
no org.freedesktop.Platform.VAAPI.Intel
Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.VAAPI.Intel.desktop"
no org.freedesktop.Platform.html5-codecs
Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.html5-codecs.desktop"
no org.freedesktop.Platform.html5-codecs
Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.html5-codecs.desktop"
no org.freedesktop.Platform.openh264
Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.openh264.desktop"
no org.freedesktop.Platform
Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.desktop"
took really long to fetch PackageKitBackend(0x5631bcae0240)
took really long to fetch KNSBackend(0x5631bd27ab60, name = "/usr/share/knsrcfiles/sddmtheme.knsrc")
took really long to fetch KNSBackend(0x5631bf25a290, name = "/usr/share/knsrcfiles/ksplash.knsrc")
took really long to fetch KNSBackend(0x5631bf25b250, name = "/usr/share/knsrcfiles/konsole.knsrc")
took really long to fetch KNSBackend(0x5631bddfdfe0, name = "/usr/share/knsrcfiles/plasma-themes.knsrc")
took really long to fetch KNSBackend(0x5631bddfe760, name = "/usr/share/knsrcfiles/kwineffect.knsrc")
took really long to fetch KNSBackend(0x5631bedec730, name = "/usr/share/knsrcfiles/kwinscripts.knsrc")
took really long to fetch KNSBackend(0x5631bedf09f0, name = "/usr/share/knsrcfiles/emoticons.knsrc")
took really long to fetch KNSBackend(0x5631be565b70, name = "/usr/share/knsrcfiles/comic.knsrc")
took really long to fetch KNSBackend(0x5631bedeb850, name = "/usr/share/knsrcfiles/icons.knsrc")
took really long to fetch KNSBackend(0x5631bf061c00, name = "/usr/share/knsrcfiles/cgctheme.knsrc")
took really long to fetch KNSBackend(0x5631bede87a0, name = "/usr/share/knsrcfiles/window-decorations.knsrc")
took really long to fetch KNSBackend(0x5631bede7550, name = "/usr/share/knsrcfiles/xcursor.knsrc")
took really long to fetch KNSBackend(0x5631bf067a50, name = "/usr/share/knsrcfiles/wallpaper.knsrc")
took really long to fetch KNSBackend(0x5631bf12a1f0, name = "/usr/share/knsrcfiles/discover_ktexteditor_codesnippets_core.knsrc")
took really long to fetch KNSBackend(0x5631bf12af50, name = "/usr/share/knsrcfiles/lookandfeel.knsrc")
took really long to fetch KNSBackend(0x5631bf130fd0, name = "/usr/share/knsrcfiles/wallpaperplugin.knsrc")
took really long to fetch KNSBackend(0x5631bf1f07e0, name = "/usr/share/knsrcfiles/cgcgtk3.knsrc")
took really long to fetch KNSBackend(0x5631bf1efe10, name = "/usr/share/knsrcfiles/kwinswitcher.knsrc")
took really long to fetch KNSBackend(0x5631bf1e8410, name = "/usr/share/knsrcfiles/colorschemes.knsrc")
took really long to fetch KNSBackend(0x5631bf1ee300, name = "/usr/share/knsrcfiles/aurorae.knsrc")
took really long to fetch KNSBackend(0x5631bf130d90, name = "/usr/share/knsrcfiles/plasmoids.knsrc")
qrc:/qml/ApplicationsListPage.qml:144:16: QML ResourcesProxyModel: Binding loop detected for property "sortOrder"
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = plasma-discover path = /usr/bin pid = 9704
KCrash: Arguments: /usr/bin/plasma-discover
KCrash: Attempting to start /usr/lib/x86_64-linux-gnu/libexec/drkonqi from kdeinit
sock_file=/run/user/1000/kdeinit5__0

[1]+  Stopped                 plasma-discover


Mace68 wrote:It seems to have resolved itself. How or why, I can't say.

So, avoid answering if you are not gonna help!

It's back to crashing again unfortunately.

Once again, resolved. I issued

Code: Select all

sudo pkcon update

and there was an updated nvidia driver available. I allowed the update, rebooted, now Discover seems to be operating again. In my experience, it seems to only crash when there are updates available.

Mace68 wrote:Once again, resolved. I issued

Code: Select all

sudo pkcon update

and there was an updated nvidia driver available. I allowed the update, rebooted, now Discover seems to be operating again. In my experience, it seems to only crash when there are updates available.

It didn't work for me. I fully update the system and then Discover start to crash anytime i click on "application" or any other option on the top side bar.
Run "sudo pkcon update" just confirm the fact my system is updated but Discover keeps crashing.

I try to report the bug but unless you are a pro-linux user is almost impossible for a newbie to get at least 3 stars. No chance here to be useful for the developers.

https://bugs.kde.org/buglist.cgi?compon ... lution=---

There are already a few

Mace68 wrote:In my experience, it seems to only crash when there are updates available.

I had the same problem as you guys. Updates were available, but could not install them because of the crashing issue.

I forgot that I had installed Synaptic Package Manager a week ago, so I used that to update the system. Updates were installed successfully and no more crashing.

I just need to wait for the next batch of updates to see if the problem has been resolved.

If someone knows how to install Synaptic using the Konsole, then that will help you all in the meantime, or use sudo pkcon update

It is also happening to me.

sudo pkcon update

is that enough to keep updated my system until discovery is fixed?

zoodany wrote:Discover start to crash anytime I click on "application" or any other option on the top side bar.

Zoodany, I just tried this and you are correct.

When I clicked "Applications", "Application Addons" or "Plasma Addons" below the search bar in Discover, I still get a crash !

manolotexaco wrote:It is also happening to me.

sudo pkcon update

is that enough to keep updated my system until discovery is fixed?

Yes, it should be.

Same here started after the updates a couple days ago.

Code: Select all

$ inxi -bM
System:    Host: Bueller Kernel: 5.0.19-19.05.27.amdgpu.ubuntu x86_64 bits: 64 Desktop: KDE Plasma 5.16.5
           Distro: KDE neon User Edition 5.16
Machine:   Device: desktop Mobo: ASUSTeK model: CROSSHAIR V FORMULA-Z v: Rev 1.xx serial: N/A
           UEFI: American Megatrends v: 2201 date: 03/23/2015
CPU:       8 core AMD FX-8350 Eight-Core (-MCP-) speed/max: 1404/4000 MHz
Graphics:  Card: Advanced Micro Devices [AMD/ATI] Fiji [Radeon R9 FURY / NANO Series]
           Display Server: x11 (X.Org 1.20.4 ) driver: amdgpu Resolution: 1920x1080@144.00hz
           OpenGL: renderer: AMD Radeon R9 Fury Series (FIJI, DRM 3.32.0, 5.0.19-19.05.27.amdgpu.ubuntu, LLVM 9.0.0)
           version: 4.5 Mesa 19.3.0-devel (git-88b8922 2019-09-20 bionic-oibaf-ppa)
Network:   Card: Intel 82583V Gigabit Network Connection driver: e1000e
Drives:    HDD Total Size: 384.1GB (29.0% used)
Info:      Processes: 329 Uptime: 4:02 Memory: 3472.3/11970.9MB Client: Shell (bash) inxi: 2.3.56


GDB

Code: Select all

gdb plasma-discover
GNU gdb (Ubuntu 8.1-0ubuntu3) 8.1.0.20180409-git
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from plasma-discover...Reading symbols from /usr/lib/debug/.build-id/fc/5dbb5889066a0e46f3104784a591182c73d029.debug...done.
done.
(gdb) run
Starting program: /usr/bin/plasma-discover
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffe2dcf700 (LWP 25579)]
[New Thread 0x7fffdaf02700 (LWP 25580)]
[New Thread 0x7fffd9cf1700 (LWP 25581)]
[New Thread 0x7fffc5872700 (LWP 25582)]
[New Thread 0x7fffc482f700 (LWP 25583)]
[New Thread 0x7fffbffff700 (LWP 25584)]
[New Thread 0x7fffbf7fe700 (LWP 25585)]
[New Thread 0x7fffbeffd700 (LWP 25586)]
[New Thread 0x7fffbe7fc700 (LWP 25587)]
[New Thread 0x7fffbdffb700 (LWP 25588)]
[New Thread 0x7fffbd7fa700 (LWP 25589)]
[New Thread 0x7fffbcff9700 (LWP 25590)]
[New Thread 0x7fff9bfff700 (LWP 25591)]
[New Thread 0x7fff9b7fe700 (LWP 25592)]
[New Thread 0x7fff9affd700 (LWP 25593)]
[New Thread 0x7fff9a7fc700 (LWP 25594)]
[New Thread 0x7fff99ffb700 (LWP 25595)]
[New Thread 0x7fff997fa700 (LWP 25596)]
[New Thread 0x7fff98ff9700 (LWP 25597)]
[Thread 0x7fff98ff9700 (LWP 25597) exited]
[New Thread 0x7fff98ff9700 (LWP 25600)]
[Thread 0x7fff98ff9700 (LWP 25600) exited]
[New Thread 0x7fff98ff9700 (LWP 25601)]
[New Thread 0x7fff74255700 (LWP 25602)]
[New Thread 0x7fff73a54700 (LWP 25603)]
invalid kns backend! "/usr/share/knsrcfiles/ksysguard.knsrc" because: "Config group not found! Check your KNS3 installation."
[New Thread 0x7fff72987700 (LWP 25604)]
[New Thread 0x7fff61fae700 (LWP 25605)]
[New Thread 0x7fff617ad700 (LWP 25606)]
[New Thread 0x7fff60da9700 (LWP 25607)]
adding empty sources model QStandardItemModel(0x55555644e340)
no packages for "org.kde.plasma.quicklaunch"
no packages for "org.kde.plasma.systemloadviewer"
no packages for "org.kde.plasma.showActivityManager"
no packages for "org.kde.plasma.grouping"
no packages for "org.kde.plasma.diskquota"
no packages for "org.kde.plasma.timer"
no packages for "org.kde.kscreen"
no packages for "org.kde.plasma.appmenu"
no packages for "im.riot.webapp"
no packages for "org.kde.plasma.kimpanel"
no packages for "org.cockpit_project.cockpit"
[New Thread 0x7fff72186700 (LWP 25611)]
[New Thread 0x7fff71985700 (LWP 25613)]
[New Thread 0x7fff63fff700 (LWP 25614)]
[New Thread 0x7fff631fe700 (LWP 25615)]
[New Thread 0x7fff629fd700 (LWP 25616)]
[New Thread 0x7fff33dc0700 (LWP 25617)]
[New Thread 0x7fff335bf700 (LWP 25618)]
[New Thread 0x7fff32dbe700 (LWP 25619)]
[New Thread 0x7fff31f29700 (LWP 25620)]
[New Thread 0x7fff31728700 (LWP 25621)]
[New Thread 0x7fff30f27700 (LWP 25622)]
[New Thread 0x7fff23fff700 (LWP 25623)]
[New Thread 0x7fff237fe700 (LWP 25624)]
[New Thread 0x7fff22ffd700 (LWP 25625)]
[New Thread 0x7fff22134700 (LWP 25626)]
[New Thread 0x7fff21933700 (LWP 25627)]
[New Thread 0x7fff21132700 (LWP 25628)]
[New Thread 0x7fff20931700 (LWP 25629)]
[New Thread 0x7ffefbfff700 (LWP 25630)]
[New Thread 0x7ffefb7fe700 (LWP 25634)]
[New Thread 0x7ffefaffd700 (LWP 25635)]
[New Thread 0x7ffefa7fc700 (LWP 25636)]
[New Thread 0x7ffef9ffb700 (LWP 25637)]
[New Thread 0x7ffef97fa700 (LWP 25638)]
[New Thread 0x7ffef8ff9700 (LWP 25639)]
[New Thread 0x7ffee7fff700 (LWP 25640)]
[New Thread 0x7ffee77fe700 (LWP 25641)]
[Thread 0x7fff22ffd700 (LWP 25625) exited]
[Thread 0x7fff20931700 (LWP 25629) exited]
[Thread 0x7fff21132700 (LWP 25628) exited]
[Thread 0x7fff21933700 (LWP 25627) exited]
took really long to fetch FlatpakBackend(0x5555564317c0)
[Thread 0x7fff237fe700 (LWP 25624) exited]
took really long to fetch KNSBackend(0x555556468b30, name = "/usr/share/knsrcfiles/kfontinst.knsrc")
took really long to fetch KNSBackend(0x555556536730, name = "/usr/share/knsrcfiles/kwineffect.knsrc")
took really long to fetch KNSBackend(0x555556537250, name = "/usr/share/knsrcfiles/lookandfeel.knsrc")
took really long to fetch KNSBackend(0x555556469f10, name = "/usr/share/knsrcfiles/colorschemes.knsrc")
took really long to fetch KNSBackend(0x555556547e10, name = "/usr/share/knsrcfiles/discover_ktexteditor_codesnippets_core.knsrc")
[Thread 0x7fff22134700 (LWP 25626) exited]
[Thread 0x7ffefbfff700 (LWP 25630) exited]
[Thread 0x7fff335bf700 (LWP 25618) exited]
[Thread 0x7fff629fd700 (LWP 25616) exited]
[Thread 0x7ffef97fa700 (LWP 25638) exited]
[Thread 0x7ffefa7fc700 (LWP 25636) exited]
[Thread 0x7ffef8ff9700 (LWP 25639) exited]
took really long to fetch KNSBackend(0x555556478230, name = "/usr/share/knsrcfiles/plasma-themes.knsrc")
took really long to fetch KNSBackend(0x555556478f10, name = "/usr/share/knsrcfiles/ksplash.knsrc")
took really long to fetch KNSBackend(0x555556477bf0, name = "/usr/share/knsrcfiles/emoticons.knsrc")
took really long to fetch KNSBackend(0x5555565583f0, name = "/usr/share/knsrcfiles/cgctheme.knsrc")
took really long to fetch KNSBackend(0x55555653f8a0, name = "/usr/share/knsrcfiles/kwinswitcher.knsrc")
took really long to fetch KNSBackend(0x555556551db0, name = "/usr/share/knsrcfiles/sddmtheme.knsrc")
took really long to fetch KNSBackend(0x555556554bb0, name = "/usr/share/knsrcfiles/icons.knsrc")
took really long to fetch KNSBackend(0x555556549c10, name = "/usr/share/knsrcfiles/wallpaperplugin.knsrc")
took really long to fetch KNSBackend(0x555556557370, name = "/usr/share/knsrcfiles/konsole.knsrc")
took really long to fetch KNSBackend(0x555556555270, name = "/usr/share/knsrcfiles/xcursor.knsrc")
took really long to fetch KNSBackend(0x555556560fb0, name = "/usr/share/knsrcfiles/aurorae.knsrc")
took really long to fetch KNSBackend(0x55555655b2d0, name = "/usr/share/knsrcfiles/cgcgtk3.knsrc")
took really long to fetch KNSBackend(0x555556555750, name = "/usr/share/knsrcfiles/kwinscripts.knsrc")
took really long to fetch KNSBackend(0x55555655fde0, name = "/usr/share/knsrcfiles/comic.knsrc")
took really long to fetch KNSBackend(0x555556568270, name = "/usr/share/knsrcfiles/wallpaper.knsrc")
took really long to fetch KNSBackend(0x55555656a500, name = "/usr/share/knsrcfiles/window-decorations.knsrc")
took really long to fetch KNSBackend(0x55555654b650, name = "/usr/share/knsrcfiles/plasmoids.knsrc")
took really long to fetch PackageKitBackend(0x555556466f10)
[Thread 0x7ffee77fe700 (LWP 25641) exited]
[Thread 0x7ffee7fff700 (LWP 25640) exited]
[Thread 0x7ffefb7fe700 (LWP 25634) exited]
[Thread 0x7ffef9ffb700 (LWP 25637) exited]
no org.kde.Platform.Locale
could not find updated resource org.kde.Platform.Locale 825

Thread 1 "plasma-discover" received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
(gdb) thread apply all backtrace

Thread 49 (Thread 0x7ffefaffd700 (LWP 25635)):
#0  0x00007ffff2be9839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fffed0df89a in g_cond_wait_until () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fffed06c571 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fffed06cb2c in g_async_queue_timeout_pop () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fffed0c1c3e in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fffed0c1195 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fffef97a6db in start_thread (arg=0x7ffefaffd700) at pthread_create.c:463
#7  0x00007ffff2bef88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 40 (Thread 0x7fff23fff700 (LWP 25623)):
#0  0x00007fffef980ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fff23ffeaa0, expected=0, futex_word=0x555557fb4c04)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fffef980ed9 in __pthread_cond_wait_common (abstime=0x7fff23ffeb60, mutex=0x555557fb4bb0, cond=0x555557fb4bd8) at pthread_cond_wait.c:533
#2  0x00007fffef980ed9 in __pthread_cond_timedwait (cond=0x555557fb4bd8, mutex=0x555557fb4bb0, abstime=0x7fff23ffeb60) at pthread_cond_wait.c:667
#3  0x00007ffff32f6d36 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (this=0x555557fb4bb0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  0x00007ffff32f6d36 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x555557fb4bb0) at thread/qwaitcondition_unix.cpp:144
#5  0x00007ffff32f6d36 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x555556431fa0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007ffff32f7096 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x555557fb4a70, mutex=mutex@entry=0x555556431fa0, time=<optimized out>)
    at thread/qwaitcondition_unix.cpp:209
#7  0x00007ffff32f4740 in QThreadPoolThread::run() (this=0x555557fb4a60) at thread/qthreadpool.cpp:139
#8  0x00007ffff32efc72 in QThreadPrivate::start(void*) (arg=0x555557fb4a60) at thread/qthread_unix.cpp:361
#9  0x00007fffef97a6db in start_thread (arg=0x7fff23fff700) at pthread_create.c:463
#10 0x00007ffff2bef88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 39 (Thread 0x7fff30f27700 (LWP 25622)):
#0  0x00007fffef980ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fff30f26aa0, expected=0, futex_word=0x555557fb3ce0)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fffef980ed9 in __pthread_cond_wait_common (abstime=0x7fff30f26b60, mutex=0x555557fb3c90, cond=0x555557fb3cb8) at pthread_cond_wait.c:533
#2  0x00007fffef980ed9 in __pthread_cond_timedwait (cond=0x555557fb3cb8, mutex=0x555557fb3c90, abstime=0x7fff30f26b60) at pthread_cond_wait.c:667
#3  0x00007ffff32f6d36 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (this=0x555557fb3c90, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  0x00007ffff32f6d36 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x555557fb3c90) at thread/qwaitcondition_unix.cpp:144
#5  0x00007ffff32f6d36 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x555556431fa0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007ffff32f7096 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x555557fb3b50, mutex=mutex@entry=0x555556431fa0, time=<optimized out>)
    at thread/qwaitcondition_unix.cpp:209
#7  0x00007ffff32f4740 in QThreadPoolThread::run() (this=0x555557fb3b40) at thread/qthreadpool.cpp:139
#8  0x00007ffff32efc72 in QThreadPrivate::start(void*) (arg=0x555557fb3b40) at thread/qthread_unix.cpp:361
#9  0x00007fffef97a6db in start_thread (arg=0x7fff30f27700) at pthread_create.c:463
#10 0x00007ffff2bef88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 38 (Thread 0x7fff31728700 (LWP 25621)):
---Type <return> to continue, or q <return> to quit---
#0  0x00007fffef980ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fff31727aa0, expected=0, futex_word=0x555557fb2dc4)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fffef980ed9 in __pthread_cond_wait_common (abstime=0x7fff31727b60, mutex=0x555557fb2d70, cond=0x555557fb2d98) at pthread_cond_wait.c:533
#2  0x00007fffef980ed9 in __pthread_cond_timedwait (cond=0x555557fb2d98, mutex=0x555557fb2d70, abstime=0x7fff31727b60) at pthread_cond_wait.c:667
#3  0x00007ffff32f6d36 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (this=0x555557fb2d70, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  0x00007ffff32f6d36 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x555557fb2d70) at thread/qwaitcondition_unix.cpp:144
#5  0x00007ffff32f6d36 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x555556431fa0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007ffff32f7096 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x555557fb2c30, mutex=mutex@entry=0x555556431fa0, time=<optimized out>)
    at thread/qwaitcondition_unix.cpp:209
#7  0x00007ffff32f4740 in QThreadPoolThread::run() (this=0x555557fb2c20) at thread/qthreadpool.cpp:139
#8  0x00007ffff32efc72 in QThreadPrivate::start(void*) (arg=0x555557fb2c20) at thread/qthread_unix.cpp:361
#9  0x00007fffef97a6db in start_thread (arg=0x7fff31728700) at pthread_create.c:463
#10 0x00007ffff2bef88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 37 (Thread 0x7fff31f29700 (LWP 25620)):
#0  0x00007fffef980ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fff31f28aa0, expected=0, futex_word=0x555557fb1da0)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fffef980ed9 in __pthread_cond_wait_common (abstime=0x7fff31f28b60, mutex=0x555557fb1d50, cond=0x555557fb1d78) at pthread_cond_wait.c:533
#2  0x00007fffef980ed9 in __pthread_cond_timedwait (cond=0x555557fb1d78, mutex=0x555557fb1d50, abstime=0x7fff31f28b60) at pthread_cond_wait.c:667
#3  0x00007ffff32f6d36 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (this=0x555557fb1d50, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  0x00007ffff32f6d36 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x555557fb1d50) at thread/qwaitcondition_unix.cpp:144
#5  0x00007ffff32f6d36 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x555556431fa0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007ffff32f7096 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x555557fb14a0, mutex=mutex@entry=0x555556431fa0, time=<optimized out>)
    at thread/qwaitcondition_unix.cpp:209
#7  0x00007ffff32f4740 in QThreadPoolThread::run() (this=0x555557fb1490) at thread/qthreadpool.cpp:139
#8  0x00007ffff32efc72 in QThreadPrivate::start(void*) (arg=0x555557fb1490) at thread/qthread_unix.cpp:361
#9  0x00007fffef97a6db in start_thread (arg=0x7fff31f29700) at pthread_create.c:463
#10 0x00007ffff2bef88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 36 (Thread 0x7fff32dbe700 (LWP 25619)):
#0  0x00007fffef980ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fff32dbdaa0, expected=0, futex_word=0x555557fb0e14)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fffef980ed9 in __pthread_cond_wait_common (abstime=0x7fff32dbdb60, mutex=0x555557fb0dc0, cond=0x555557fb0de8) at pthread_cond_wait.c:533
#2  0x00007fffef980ed9 in __pthread_cond_timedwait (cond=0x555557fb0de8, mutex=0x555557fb0dc0, abstime=0x7fff32dbdb60) at pthread_cond_wait.c:667
#3  0x00007ffff32f6d36 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (this=0x555557fb0dc0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  0x00007ffff32f6d36 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x555557fb0dc0) at thread/qwaitcondition_unix.cpp:144
#5  0x00007ffff32f6d36 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x555556431fa0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007ffff32f7096 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x555557fb0c80, mutex=mutex@entry=0x555556431fa0, time=<optimized out>)
    at thread/qwaitcondition_unix.cpp:209
#7  0x00007ffff32f4740 in QThreadPoolThread::run() (this=0x555557fb0c70) at thread/qthreadpool.cpp:139
#8  0x00007ffff32efc72 in QThreadPrivate::start(void*) (arg=0x555557fb0c70) at thread/qthread_unix.cpp:361
#9  0x00007fffef97a6db in start_thread (arg=0x7fff32dbe700) at pthread_create.c:463
---Type <return> to continue, or q <return> to quit---
#10 0x00007ffff2bef88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 34 (Thread 0x7fff33dc0700 (LWP 25617)):
#0  0x00007fffef980ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fff33dbfaa0, expected=0, futex_word=0x555557faea14)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fffef980ed9 in __pthread_cond_wait_common (abstime=0x7fff33dbfb60, mutex=0x555557fae9c0, cond=0x555557fae9e8) at pthread_cond_wait.c:533
#2  0x00007fffef980ed9 in __pthread_cond_timedwait (cond=0x555557fae9e8, mutex=0x555557fae9c0, abstime=0x7fff33dbfb60) at pthread_cond_wait.c:667
#3  0x00007ffff32f6d36 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (this=0x555557fae9c0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  0x00007ffff32f6d36 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x555557fae9c0) at thread/qwaitcondition_unix.cpp:144
#5  0x00007ffff32f6d36 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x555556431fa0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007ffff32f7096 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x555557faddd0, mutex=mutex@entry=0x555556431fa0, time=<optimized out>)
    at thread/qwaitcondition_unix.cpp:209
#7  0x00007ffff32f4740 in QThreadPoolThread::run() (this=0x555557faddc0) at thread/qthreadpool.cpp:139
#8  0x00007ffff32efc72 in QThreadPrivate::start(void*) (arg=0x555557faddc0) at thread/qthread_unix.cpp:361
#9  0x00007fffef97a6db in start_thread (arg=0x7fff33dc0700) at pthread_create.c:463
#10 0x00007ffff2bef88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 32 (Thread 0x7fff631fe700 (LWP 25615)):
#0  0x00007fffef980ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fff631fdaa0, expected=0, futex_word=0x555557fad884)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fffef980ed9 in __pthread_cond_wait_common (abstime=0x7fff631fdb60, mutex=0x555557fad830, cond=0x555557fad858) at pthread_cond_wait.c:533
#2  0x00007fffef980ed9 in __pthread_cond_timedwait (cond=0x555557fad858, mutex=0x555557fad830, abstime=0x7fff631fdb60) at pthread_cond_wait.c:667
#3  0x00007ffff32f6d36 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (this=0x555557fad830, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  0x00007ffff32f6d36 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x555557fad830) at thread/qwaitcondition_unix.cpp:144
#5  0x00007ffff32f6d36 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x555556431fa0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007ffff32f7096 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x555557facc40, mutex=mutex@entry=0x555556431fa0, time=<optimized out>)
    at thread/qwaitcondition_unix.cpp:209
#7  0x00007ffff32f4740 in QThreadPoolThread::run() (this=0x555557facc30) at thread/qthreadpool.cpp:139
#8  0x00007ffff32efc72 in QThreadPrivate::start(void*) (arg=0x555557facc30) at thread/qthread_unix.cpp:361
#9  0x00007fffef97a6db in start_thread (arg=0x7fff631fe700) at pthread_create.c:463
#10 0x00007ffff2bef88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 31 (Thread 0x7fff63fff700 (LWP 25614)):
#0  0x00007fffef9809f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555558369110) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fffef9809f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x5555583690c0, cond=0x5555583690e8) at pthread_cond_wait.c:502
#2  0x00007fffef9809f3 in __pthread_cond_wait (cond=0x5555583690e8, mutex=0x5555583690c0) at pthread_cond_wait.c:655
#3  0x00007ffff32f6dbb in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x5555583690c0) at thread/qwaitcondition_unix.cpp:146
#4  0x00007ffff32f6dbb in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x5555583b5b50, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007ffff32f70c9 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x5555583b5b58, mutex=mutex@entry=0x5555583b5b50, time=time@entry=18446744073709551615)
    at thread/qwaitcondition_unix.cpp:208
#6  0x00007ffff698d6f8 in QSGRenderThreadEventQueue::takeEvent(bool) (wait=true, this=0x5555583b5b48) at scenegraph/qsgthreadedrenderloop.cpp:245
#7  0x00007ffff698d6f8 in QSGRenderThread::processEventsAndWaitForMore() (this=this@entry=0x5555583b5ad0) at scenegraph/qsgthreadedrenderloop.cpp:710
---Type <return> to continue, or q <return> to quit---kill
#8  0x00007ffff698db2a in QSGRenderThread::run() (this=0x5555583b5ad0) at scenegraph/qsgthreadedrenderloop.cpp:739
#9  0x00007ffff32efc72 in QThreadPrivate::start(void*) (arg=0x5555583b5ad0) at thread/qthread_unix.cpp:361
#10 0x00007fffef97a6db in start_thread (arg=0x7fff63fff700) at pthread_create.c:463
#11 0x00007ffff2bef88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 30 (Thread 0x7fff71985700 (LWP 25613)):
#0  0x00007fffef9809f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5555583764fc) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007fffef9809f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x5555583764a8, cond=0x5555583764d0) at pthread_cond_wait.c:502
#2  0x00007fffef9809f3 in __pthread_cond_wait (cond=0x5555583764d0, mutex=0x5555583764a8) at pthread_cond_wait.c:655
#3  0x00007fffcb59d84b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007fffcb59d167 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007fffef97a6db in start_thread (arg=0x7fff71985700) at pthread_create.c:463
#6  0x00007ffff2bef88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 29 (Thread 0x7fff72186700 (LWP 25611)):
#0  0x00007ffff2be2bf9 in __GI___poll (fds=0x7fff54003fb0, nfds=4, timeout=134852) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffed0995c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fffed0996dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff3525daf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fff2c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#4  0x00007ffff34c703a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fff72185c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#5  0x00007ffff32ee4ca in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:531
#6  0x00007ffff32efc72 in QThreadPrivate::start(void*) (arg=0x555557fe0650) at thread/qthread_unix.cpp:361
#7  0x00007fffef97a6db in start_thread (arg=0x7fff72186700) at pthread_create.c:463
#8  0x00007ffff2bef88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 28 (Thread 0x7fff60da9700 (LWP 25607)):
#0  0x00007fffef980ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fff60da8aa0, expected=0, futex_word=0x7fff5c007594)
    at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007fffef980ed9 in __pthread_cond_wait_common (abstime=0x7fff60da8b60, mutex=0x7fff5c007540, cond=0x7fff5c007568) at pthread_cond_wait.c:533
#2  0x00007fffef980ed9 in __pthread_cond_timedwait (cond=0x7fff5c007568, mutex=0x7fff5c007540, abstime=0x7fff60da8b60) at pthread_cond_wait.c:667
#3  0x00007ffff32f6d36 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (this=0x7fff5c007540, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  0x00007ffff32f6d36 in QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x7fff5c007540) at thread/qwaitcondition_unix.cpp:144
#5  0x00007ffff32f6d36 in QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x7fff5c005510, deadline=...) at thread/qwaitcondition_unix.cpp:225
#6  0x00007ffff32f7096 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x7fff5c007210, mutex=mutex@entry=0x7fff5c005510, time=<optimized out>)
    at thread/qwaitcondition_unix.cpp:209
#7  0x00007ffff32f4740 in QThreadPoolThread::run() (this=0x7fff5c007200) at thread/qthreadpool.cpp:139
#8  0x00007ffff32efc72 in QThreadPrivate::start(void*) (arg=0x7fff5c007200) at thread/qthread_unix.cpp:361
#9  0x00007fffef97a6db in start_thread (arg=0x7fff60da9700) at pthread_create.c:463
#10 0x00007ffff2bef88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 27 (Thread 0x7fff617ad700 (LWP 25606)):
#0  0x00007fffef980ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fff617acaa0, expected=0, futex_word=0x7fff5c005a20)
---Type <return> to continue, or q <return> to quit---q
 at ../sysdeps/unix/sysv/linux/fuQuit
(gdb) kill
Kill the program being debugged? (y or n) y
(gdb) quit


https://bugs.kde.org/show_bug.cgi?id=411286

Someone marked this as solved, but it is still crashing on me. +1 for Synaptic Package Manager and a reboot. Is there a way to find out who erroneously marked it as solved? It would provide the forum with some credibility.