Latest update went awfully wrong

Help
1

Update a few hours earlier, rebooted, seeing the new fancy SDDM background, login in… and BOOOM! That’s how KDE greets me ever since:

UberCrash
UberCrash3440×1440 420 KB

Please heeeeeeeelp!!!

I have an NVIDIA 4090 GPU with proprietary drivers (I was on version 570), so initially I suspected the proprietary nvidia drivers and Wayland. Tried X11. Still same issue. Install drivers 580; same issue. Uninstalled the proprietary drivers and tried my luck on nouveau. Still same.

I can use Alt+F2 to bring up krunner and start some programs like konsole, spectacle, which is how I took the above screenshot, and firefox, which is how I am making this post right now, but I have limited time before the next crash happens and I am kicked back to the SDDM login page! I managed to send some automatic reports, although I have no idea where these end up to.

I found the bunch of packages from the latest update in /var/log/apt, and I did an apt-get clean and apt-get install –reinstall <packages>, just to ensure that I go not corrupted package. Still the same problem.

Here is a sample stack trace that I copy pasted from the output of journalctl -p err:

Process 35438 (plasmashell) of user 1000 dumped core.

Module libgomp.so.1 from deb gcc-14-14.2.0-4ubuntu2~24.04.amd64
Module libzstd.so.1 from deb libzstd-1.5.5+dfsg2-2build1.1.amd64
Module libsystemd.so.0 from deb systemd-255.4-1ubuntu8.11.amd64
Module libudev.so.1 from deb systemd-255.4-1ubuntu8.11.amd64
Module libgcc_s.so.1 from deb gcc-14-14.2.0-4ubuntu2~24.04.amd64
Module libstdc++.so.6 from deb gcc-14-14.2.0-4ubuntu2~24.04.amd64
Stack trace of thread 35438:
#0 0x0000792b8c09eb2c __pthread_kill_implementation (libc.so.6 + 0x9eb2c)
#1 0x0000792b8c04527e __GI_raise (libc.so.6 + 0x4527e)
#2 0x0000792b8f467468 _ZN6KCrash19defaultCrashHandlerEi (libKF6Crash.so.6 + 0x9468)
#3 0x0000792b8c045330 __restore_rt (libc.so.6 + 0x45330)
#4 0x0000792b8f18f8dd n/a (libPlasmaActivities.so.7 + 0x1e8dd)
#5 0x0000792b8f18fb88 n/a (libPlasmaActivities.so.7 + 0x1eb88)
#6 0x0000792b8cc77e7d _ZNK20QFutureInterfaceBase15runContinuationEv (libQt6Core.so.6 + 0x477e7d)
#7 0x0000792b8cb46e39 n/a (libQt6Core.so.6 + 0x346e39)
#8 0x0000792b8d844321 ZN23QDBusPendingCallWatcher8finishedEPS (libQt6DBus.so.6 + 0x93321)
#9 0x0000792b8cb39540 _ZN7QObject5eventEP6QEvent (libQt6Core.so.6 + 0x339540)
#10 0x0000792b8ecc7dcd _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt6Widgets.so.6 + 0x2c7dcd)
#11 0x0000792b8cae59c0 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt6Core.so.6 + 0x2e59c0)
#12 0x0000792b8caebafb _ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData (libQt6Core.so.6 + 0x2ebafb)
#13 0x0000792b8cd5f6ef n/a (libQt6Core.so.6 + 0x55f6ef)
#14 0x0000792b8b3595c5 n/a (libglib-2.0.so.0 + 0x5d5c5)
#15 0x0000792b8b3b8737 n/a (libglib-2.0.so.0 + 0xbc737)
#16 0x0000792b8b358a63 g_main_context_iteration (libglib-2.0.so.0 + 0x5ca63)
#17 0x0000792b8cd5cb2f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x55cb2f)
#18 0x0000792b8caedadb _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x2edadb)
#19 0x0000792b8cae817f _ZN16QCoreApplication4execEv (libQt6Core.so.6 + 0x2e817f)
#20 0x00005ec260406aa8 n/a (plasmashell + 0x3daa8)
#21 0x0000792b8c02a1ca __libc_start_call_main (libc.so.6 + 0x2a1ca)
#22 0x0000792b8c02a28b __libc_start_main_impl (libc.so.6 + 0x2a28b)
#23 0x00005ec260406be5 n/a (plasmashell + 0x3dbe5)

Stack trace of thread 35457:
#0 0x0000792b8c11b4fd __GI___poll (libc.so.6 + 0x11b4fd)
#1 0x0000792b8d9282a6 n/a (libQt6WaylandClient.so.6 + 0xbc2a6)
#2 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#3 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#4 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35449:
#0 0x0000792b8c11b4fd __GI___poll (libc.so.6 + 0x11b4fd)
#1 0x0000792b8b3b868e n/a (libglib-2.0.so.0 + 0xbc68e)
#2 0x0000792b8b358a63 g_main_context_iteration (libglib-2.0.so.0 + 0x5ca63)
#3 0x0000792b8cd5cb2f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x55cb2f)
#4 0x0000792b8caedadb _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x2edadb)
#5 0x0000792b8cbe9597 _ZN7QThread4execEv (libQt6Core.so.6 + 0x3e9597)
#6 0x0000792b8d7fcbdd n/a (libQt6DBus.so.6 + 0x4bbdd)
#7 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#8 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#9 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35538:
#0 0x0000792b8c11b4fd __GI___poll (libc.so.6 + 0x11b4fd)
#1 0x0000792b8b3b868e n/a (libglib-2.0.so.0 + 0xbc68e)
#2 0x0000792b8b358a63 g_main_context_iteration (libglib-2.0.so.0 + 0x5ca63)
#3 0x0000792b8cd5cb2f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x55cb2f)
#4 0x0000792b8caedadb _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x2edadb)
#5 0x0000792b8cbe9597 _ZN7QThread4execEv (libQt6Core.so.6 + 0x3e9597)
#6 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#7 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#8 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35542:
#0 0x0000792b8c11b4fd __GI___poll (libc.so.6 + 0x11b4fd)
#1 0x0000792b8b3b868e n/a (libglib-2.0.so.0 + 0xbc68e)
#2 0x0000792b8b358a63 g_main_context_iteration (libglib-2.0.so.0 + 0x5ca63)
#3 0x0000792b8cd5cb2f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x55cb2f)
#4 0x0000792b8caedadb _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x2edadb)
#5 0x0000792b8cbe9597 _ZN7QThread4execEv (libQt6Core.so.6 + 0x3e9597)
#6 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#7 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#8 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35458:
#0 0x0000792b8c11b4fd __GI___poll (libc.so.6 + 0x11b4fd)
#1 0x0000792b8d9282a6 n/a (libQt6WaylandClient.so.6 + 0xbc2a6)
#2 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#3 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#4 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35539:
#0 0x0000792b8c11b4fd __GI___poll (libc.so.6 + 0x11b4fd)
#1 0x0000792b8b3b868e n/a (libglib-2.0.so.0 + 0xbc68e)
#2 0x0000792b8b358a63 g_main_context_iteration (libglib-2.0.so.0 + 0x5ca63)
#3 0x0000792b8cd5cb2f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x55cb2f)
#4 0x0000792b8caedadb _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x2edadb)
#5 0x0000792b8cbe9597 _ZN7QThread4execEv (libQt6Core.so.6 + 0x3e9597)
#6 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#7 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#8 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35810:
#0 0x0000792b8c098d71 __futex_abstimed_wait_common64 (libc.so.6 + 0x98d71)
#1 0x0000792b8c09b7ed __pthread_cond_wait_common (libc.so.6 + 0x9b7ed)
#2 0x0000792b8cc78b7c _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt6Core.so.6 + 0x478b7c)
#3 0x0000792b8e41708d n/a (libQt6Quick.so.6 + 0x41708d)
#4 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#5 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#6 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35569:
#0 0x0000792b8c098d71 __futex_abstimed_wait_common64 (libc.so.6 + 0x98d71)
#1 0x0000792b8c09bc8e __pthread_cond_wait_common (libc.so.6 + 0x9bc8e)
#2 0x0000792b8cc78aec _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt6Core.so.6 + 0x478aec)
#3 0x0000792b8cc72cf6 n/a (libQt6Core.so.6 + 0x472cf6)
#4 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#5 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#6 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35809:
#0 0x0000792b8c11b4fd __GI___poll (libc.so.6 + 0x11b4fd)
#1 0x0000792b8b3b868e n/a (libglib-2.0.so.0 + 0xbc68e)
#2 0x0000792b8b358a63 g_main_context_iteration (libglib-2.0.so.0 + 0x5ca63)
#3 0x0000792b8cd5cb2f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x55cb2f)
#4 0x0000792b8caedadb _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x2edadb)
#5 0x0000792b8cbe9597 _ZN7QThread4execEv (libQt6Core.so.6 + 0x3e9597)
#6 0x0000792b8e4c50f2 n/a (libQt6Quick.so.6 + 0x4c50f2)
#7 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#8 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#9 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35568:
#0 0x0000792b8c098d71 __futex_abstimed_wait_common64 (libc.so.6 + 0x98d71)
#1 0x0000792b8c09bc8e __pthread_cond_wait_common (libc.so.6 + 0x9bc8e)
#2 0x0000792b8cc78aec _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt6Core.so.6 + 0x478aec)
#3 0x0000792b8cc72cf6 n/a (libQt6Core.so.6 + 0x472cf6)
#4 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#5 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#6 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35842:
#0 0x0000792b8c098d71 __futex_abstimed_wait_common64 (libc.so.6 + 0x98d71)
#1 0x0000792b8c09bc8e __pthread_cond_wait_common (libc.so.6 + 0x9bc8e)
#2 0x0000792b8cc78aec _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt6Core.so.6 + 0x478aec)
#3 0x0000792b8cc72cf6 n/a (libQt6Core.so.6 + 0x472cf6)
#4 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#5 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#6 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35814:
#0 0x0000792b8c098d71 __futex_abstimed_wait_common64 (libc.so.6 + 0x98d71)
#1 0x0000792b8c09bc8e __pthread_cond_wait_common (libc.so.6 + 0x9bc8e)
#2 0x0000792b8cc78aec _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt6Core.so.6 + 0x478aec)
#3 0x0000792b8cc72cf6 n/a (libQt6Core.so.6 + 0x472cf6)
#4 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#5 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#6 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35812:
#0 0x0000792b8c098d71 __futex_abstimed_wait_common64 (libc.so.6 + 0x98d71)
#1 0x0000792b8c09bc8e __pthread_cond_wait_common (libc.so.6 + 0x9bc8e)
#2 0x0000792b8cc78aec _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt6Core.so.6 + 0x478aec)
#3 0x0000792b8cc72cf6 n/a (libQt6Core.so.6 + 0x472cf6)
#4 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#5 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#6 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35470:
#0 0x0000792b8c098d71 __futex_abstimed_wait_common64 (libc.so.6 + 0x98d71)
#1 0x0000792b8c09b7ed __pthread_cond_wait_common (libc.so.6 + 0x9b7ed)
#2 0x0000792b75b9359d n/a (libgallium-25.0.7-0ubuntu0.24.04.2.so + 0x59359d)
#3 0x0000792b75b6054b n/a (libgallium-25.0.7-0ubuntu0.24.04.2.so + 0x56054b)
#4 0x0000792b75b934cc n/a (libgallium-25.0.7-0ubuntu0.24.04.2.so + 0x5934cc)
#5 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#6 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35841:
#0 0x0000792b8c098d71 __futex_abstimed_wait_common64 (libc.so.6 + 0x98d71)
#1 0x0000792b8c09bc8e __pthread_cond_wait_common (libc.so.6 + 0x9bc8e)
#2 0x0000792b8cc78aec _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt6Core.so.6 + 0x478aec)
#3 0x0000792b8cc72cf6 n/a (libQt6Core.so.6 + 0x472cf6)
#4 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#5 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#6 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35843:
#0 0x0000792b8c098d71 __futex_abstimed_wait_common64 (libc.so.6 + 0x98d71)
#1 0x0000792b8c09bc8e __pthread_cond_wait_common (libc.so.6 + 0x9bc8e)
#2 0x0000792b8cc78aec _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt6Core.so.6 + 0x478aec)
#3 0x0000792b8cc72cf6 n/a (libQt6Core.so.6 + 0x472cf6)
#4 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#5 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#6 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)

Stack trace of thread 35832:
#0 0x0000792b8c098d71 __futex_abstimed_wait_common64 (libc.so.6 + 0x98d71)
#1 0x0000792b8c09bc8e __pthread_cond_wait_common (libc.so.6 + 0x9bc8e)
#2 0x0000792b8cc78aec _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt6Core.so.6 + 0x478aec)
#3 0x0000792b8cc72cf6 n/a (libQt6Core.so.6 + 0x472cf6)
#4 0x0000792b8cc6b380 n/a (libQt6Core.so.6 + 0x46b380)
#5 0x0000792b8c09caa4 start_thread (libc.so.6 + 0x9caa4)
#6 0x0000792b8c129c6c __clone3 (libc.so.6 + 0x129c6c)
ELF object binary architecture: AMD x86-64

1 Like
2

Does it help to install plasma-activities and reboot?

3

Unfortunately it did not help :frowning:

4

please update again and should be fixed

1 Like
5

That’s a tough one. Still same problem after the latest set of updates.

6

Just managed to resolve this after spending several hours.

No need to go into all the details, but long story short, I created a new user, logged in, and it worked. After a few more attempts with the old user I managed to get some good stack traces and post a bug report in https://bugs.kde.org/show_bug.cgi?id=510925. After looking at the stack traces more carefully, I noticed these lines that point to some database error handling in the code:

#15 0x0000772f5b85d7d4 in qt_assert_x (where=where@entry=0x772f54ccf733 “Uils::exec”, what=, file=file@entry=0x772f54cd0dc0 “./src/service/plugins/sqlite/Utils.h”, line=line@entry=53) at /usr/src/qt6-base-6.9.2-0zneon+24.04+noble+release+build121/src/corelib/global/qassert.cpp:114
#16 0x0000772f54cb354e in Utils::exec(Common::Database&, Utils::ErrorHandling, QSqlQuery&) [clone .isra.0] (eh=, query=…, database=) at /usr/src/kactivitymanagerd-6.5.0-0zneon+24.04+noble+release+build42/src/service/plugins/sqlite/Utils.h:53

then I tried cd ~/.local/share/kactivitymanagerd and mv resources resources-backup. Reboot and everything works!

After this tenure, I also found a bug that has been raised 7 years back: https://bugs.kde.org/show_bug.cgi?id=389441 and I would absolutely agree with the title of this one: kactivitymanagerd does not handle DB corruption properly. That’s too big of an impact if absolutely nothing works when something goes wrong with the DB! I was so close to a re-installation with the way my system was failing (I basically reinstalled all the neon package with some dpkg/aptitude commands), but even if I did a full re-installation, I would still face the same problem as I store my home directory on a different partition so that I don’t lose my personal settings in case of a reinstallation.

1 Like
7

I can report another occurrence of this issue on a completely different system. A friend that is using KDE Neon updated a few minutes earlier and called me for “help”. His system would not start and was showing him many “crash handler windows”. Sounded suspiciously similar. I asked him to type the command mv ~/.local/share/kactivitymanagerd/resources ~/.local/share/kactivitymanagerd/resources-backup and reboot. After the reboot his system is working again. The exact same issue on two different systems right after upgrading KDE Neon makes it a “suspicious coincidence”; It seems like there is some issue with the latest packaging/upgrade process.

9

Good catch. The lesson of the day is, “always check a clean account before trashing an install”. :wink:

Old configs seem to be the source of many headaches.