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#1 2026-11-06 02:56:32

LucinaRCH
Member
Registered: 2026-11-06
Posts: 5

Wayland unable to launch after a fumble with system update.

Hey, first post here.. Ashamed to have made such a dumb mistake, but I updated my system with pacman without ensuring that the dependencies were taken care of first. 
This is the log from system journal : https://pastebin.com/dPHd4Na4
This is the log from plasma : https://pastebin.com/iuSRygqS
I apologize again for having to ask, but I beg for help.. Thank you for reading. -Snive

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#2 2026-11-06 05:44:26

ismailarilik
Member
From: Turkey
Registered: 2023-04-10
Posts: 16
Website

Re: Wayland unable to launch after a fumble with system update.

Could you please share your logs via another pastebin service such as one listed here. Also look at here. In short, this pastebin is blocked in my country. =/

https://www.ismailarilik.com

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#3 2026-11-06 08:08:02

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 78,828

Re: Wayland unable to launch after a fumble with system update.

It's also incomplete and likely copypasted from a pager

sudo journalctl -b | nc termbin.com 9999

There's however a barrage of 

Nov 05 19:45:56 snivez systemd[1105]: plasma-plasmashell.service: Scheduled restart job, restart counter is at 2.
Nov 05 19:45:56 snivez systemd[1105]: Starting KDE Plasma Workspace...
Nov 05 19:45:56 snivez drkonqi-coredump-gui[4507]: Invalid URI ""
Nov 05 19:45:56 snivez drkonqi-coredump-gui[4507]: This application doesn't seem to be from KDE. Refusing to report to KDE infrastructure!
Nov 05 19:45:56 snivez systemd[1105]: Started KDE Plasma Workspace.
Nov 05 19:45:57 snivez plasmashell[4800]: Member enabled of the object DeclarativeDropArea overrides a member of the base object. Consider renaming it or adding final or override specifier
Nov 05 19:45:57 snivez systemd[1]: Starting Cleanup of Temporary Directories...
Nov 05 19:45:57 snivez systemd[1]: systemd-tmpfiles-clean.service: Deactivated successfully.
Nov 05 19:45:57 snivez systemd[1]: Finished Cleanup of Temporary Directories.
Nov 05 19:45:57 snivez plasmashell[4800]: QQmlComponent: Component is not ready
Nov 05 19:45:57 snivez plasmashell[4800]: KCrash: Application 'plasmashell' crashing... crashRecursionCounter = 2
Nov 05 19:45:57 snivez systemd-coredump[4841]: Process 4800 (plasmashell) of user 1000 terminated abnormally with signal 11/SEGV, processing...
Nov 05 19:45:57 snivez systemd[1]: Started Process Core Dump (PID 4841/UID 0).
Nov 05 19:45:57 snivez systemd[1]: Started Pass systemd-coredump journal entries to relevant user for potential DrKonqi handling.
Nov 05 19:45:58 snivez systemd-coredump[4842]: [?] Process 4800 (plasmashell) of user 1000 dumped core.

                                               Stack trace of thread 4800:
                                               #0  0x00007fcf45a9a11c n/a (libc.so.6 + 0x9a11c)
                                               #1  0x00007fcf45a3e5d0 raise (libc.so.6 + 0x3e5d0)
                                               #2  0x00007fcf48f59ee9 _ZN6KCrash19defaultCrashHandlerEi (libKF6Crash.so.6 + 0x7ee9)
                                               #3  0x00007fcf45a3e6f0 n/a (libc.so.6 + 0x3e6f0)
                                               #4  0x00007fcf487834c0 _ZN10QQuickItem13setParentItemEPS_ (libQt6Quick.so.6 + 0x1834c0)
                                               #5  0x00007fcf491bf230 _ZN11PlasmaQuick15ContainmentView9setSourceERK4QUrl (libPlasmaQuick.so.8 + 0x44230)
                                               #6  0x0000559661a8f8a6 n/a (plasmashell + 0x618a6)
                                               #7  0x0000559661aafa52 n/a (plasmashell + 0x81a52)
                                               #8  0x00007fcf463f6cc8 n/a (libQt6Core.so.6 + 0x1f6cc8)
                                               #9  0x00007fcf49092656 _ZN6Plasma6Corona25containmentUiReadyChangedEPNS_11ContainmentEb (libPlasma.so.8 + 0x38656)
                                               #10 0x00007fcf463f6cc8 n/a (libQt6Core.so.6 + 0x1f6cc8)
                                               #11 0x00007fcf49085bdb _ZN6Plasma11Containment14uiReadyChangedEb (libPlasma.so.8 + 0x2bbdb)
                                               #12 0x00007fcf490805a5 n/a (libPlasma.so.8 + 0x265a5)
                                               #13 0x00007fcf463ebe19 _ZN7QObject5eventEP6QEvent (libQt6Core.so.6 + 0x1ebe19)
                                               #14 0x00007fcf4790355f _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt6Widgets.so.6 + 0x10355f)
                                               #15 0x00007fcf463891d8 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt6Core.so.6 + 0x1891d8)
                                               #16 0x00007fcf465757b5 _ZN14QTimerInfoList14activateTimersEv (libQt6Core.so.6 + 0x3757b5)
                                               #17 0x00007fcf466c63a9 n/a (libQt6Core.so.6 + 0x4c63a9)
                                               #18 0x00007fcf44e0c75e n/a (libglib-2.0.so.0 + 0x6175e)
                                               #19 0x00007fcf44e15c50 n/a (libglib-2.0.so.0 + 0x6ac50)
                                               #20 0x00007fcf44e15db5 g_main_context_iteration (libglib-2.0.so.0 + 0x6adb5)
                                               #21 0x00007fcf466c4d22 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x4c4d22)
                                               #22 0x00007fcf46396a74 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x196a74)
                                               #23 0x00007fcf4638cfca _ZN16QCoreApplication4execEv (libQt6Core.so.6 + 0x18cfca)
                                               #24 0x0000559661a5509a n/a (plasmashell + 0x2709a)
                                               #25 0x00007fcf45a27781 n/a (libc.so.6 + 0x27781)
                                               #26 0x00007fcf45a278b9 __libc_start_main (libc.so.6 + 0x278b9)
                                               #27 0x0000559661a558c5 n/a (plasmashell + 0x278c5)

I updated my system with pacman without ensuring that the dependencies were taken care of first.

What exactly does that mean?
Please also post your pacman log (/var/log) and in doubt run "sudo pacman -Syu" and if that fails for any reason, post those errors.

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#4 2026-11-09 01:36:59

LucinaRCH
Member
Registered: 2026-11-06
Posts: 5

Re: Wayland unable to launch after a fumble with system update.

seth wrote:

It's also incomplete and likely copypasted from a pager

sudo journalctl -b | nc termbin.com 9999

There's however a barrage of 

Nov 05 19:45:56 snivez systemd[1105]: plasma-plasmashell.service: Scheduled restart job, restart counter is at 2.
Nov 05 19:45:56 snivez systemd[1105]: Starting KDE Plasma Workspace...
Nov 05 19:45:56 snivez drkonqi-coredump-gui[4507]: Invalid URI ""
Nov 05 19:45:56 snivez drkonqi-coredump-gui[4507]: This application doesn't seem to be from KDE. Refusing to report to KDE infrastructure!
Nov 05 19:45:56 snivez systemd[1105]: Started KDE Plasma Workspace.
Nov 05 19:45:57 snivez plasmashell[4800]: Member enabled of the object DeclarativeDropArea overrides a member of the base object. Consider renaming it or adding final or override specifier
Nov 05 19:45:57 snivez systemd[1]: Starting Cleanup of Temporary Directories...
Nov 05 19:45:57 snivez systemd[1]: systemd-tmpfiles-clean.service: Deactivated successfully.
Nov 05 19:45:57 snivez systemd[1]: Finished Cleanup of Temporary Directories.
Nov 05 19:45:57 snivez plasmashell[4800]: QQmlComponent: Component is not ready
Nov 05 19:45:57 snivez plasmashell[4800]: KCrash: Application 'plasmashell' crashing... crashRecursionCounter = 2
Nov 05 19:45:57 snivez systemd-coredump[4841]: Process 4800 (plasmashell) of user 1000 terminated abnormally with signal 11/SEGV, processing...
Nov 05 19:45:57 snivez systemd[1]: Started Process Core Dump (PID 4841/UID 0).
Nov 05 19:45:57 snivez systemd[1]: Started Pass systemd-coredump journal entries to relevant user for potential DrKonqi handling.
Nov 05 19:45:58 snivez systemd-coredump[4842]: [?] Process 4800 (plasmashell) of user 1000 dumped core.

                                               Stack trace of thread 4800:
                                               #0  0x00007fcf45a9a11c n/a (libc.so.6 + 0x9a11c)
                                               #1  0x00007fcf45a3e5d0 raise (libc.so.6 + 0x3e5d0)
                                               #2  0x00007fcf48f59ee9 _ZN6KCrash19defaultCrashHandlerEi (libKF6Crash.so.6 + 0x7ee9)
                                               #3  0x00007fcf45a3e6f0 n/a (libc.so.6 + 0x3e6f0)
                                               #4  0x00007fcf487834c0 _ZN10QQuickItem13setParentItemEPS_ (libQt6Quick.so.6 + 0x1834c0)
                                               #5  0x00007fcf491bf230 _ZN11PlasmaQuick15ContainmentView9setSourceERK4QUrl (libPlasmaQuick.so.8 + 0x44230)
                                               #6  0x0000559661a8f8a6 n/a (plasmashell + 0x618a6)
                                               #7  0x0000559661aafa52 n/a (plasmashell + 0x81a52)
                                               #8  0x00007fcf463f6cc8 n/a (libQt6Core.so.6 + 0x1f6cc8)
                                               #9  0x00007fcf49092656 _ZN6Plasma6Corona25containmentUiReadyChangedEPNS_11ContainmentEb (libPlasma.so.8 + 0x38656)
                                               #10 0x00007fcf463f6cc8 n/a (libQt6Core.so.6 + 0x1f6cc8)
                                               #11 0x00007fcf49085bdb _ZN6Plasma11Containment14uiReadyChangedEb (libPlasma.so.8 + 0x2bbdb)
                                               #12 0x00007fcf490805a5 n/a (libPlasma.so.8 + 0x265a5)
                                               #13 0x00007fcf463ebe19 _ZN7QObject5eventEP6QEvent (libQt6Core.so.6 + 0x1ebe19)
                                               #14 0x00007fcf4790355f _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt6Widgets.so.6 + 0x10355f)
                                               #15 0x00007fcf463891d8 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt6Core.so.6 + 0x1891d8)
                                               #16 0x00007fcf465757b5 _ZN14QTimerInfoList14activateTimersEv (libQt6Core.so.6 + 0x3757b5)
                                               #17 0x00007fcf466c63a9 n/a (libQt6Core.so.6 + 0x4c63a9)
                                               #18 0x00007fcf44e0c75e n/a (libglib-2.0.so.0 + 0x6175e)
                                               #19 0x00007fcf44e15c50 n/a (libglib-2.0.so.0 + 0x6ac50)
                                               #20 0x00007fcf44e15db5 g_main_context_iteration (libglib-2.0.so.0 + 0x6adb5)
                                               #21 0x00007fcf466c4d22 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x4c4d22)
                                               #22 0x00007fcf46396a74 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x196a74)
                                               #23 0x00007fcf4638cfca _ZN16QCoreApplication4execEv (libQt6Core.so.6 + 0x18cfca)
                                               #24 0x0000559661a5509a n/a (plasmashell + 0x2709a)
                                               #25 0x00007fcf45a27781 n/a (libc.so.6 + 0x27781)
                                               #26 0x00007fcf45a278b9 __libc_start_main (libc.so.6 + 0x278b9)
                                               #27 0x0000559661a558c5 n/a (plasmashell + 0x278c5)

I updated my system with pacman without ensuring that the dependencies were taken care of first.

What exactly does that mean?
Please also post your pacman log (/var/log) and in doubt run "sudo pacman -Syu" and if that fails for any reason, post those errors.

By "not ensuring the dependencies were taken care of" i mean i did not uninstall any programs to update core system utilities. Here's the pacman log, uploaded to a different service than pastebin.

https://termbin.com/d5he
https://termbin.com/rnqd

thank you again for looking at these.. I apologize for the delay in my messaging.

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#5 2026-11-09 01:57:46

killertofus
Member
Registered: 2025-02-10
Posts: 278

Re: Wayland unable to launch after a fumble with system update.

why do you need to uninstall programs to update core packages?

I Have Linux Perl Can i Download Gnome???

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#6 2026-11-09 01:59:18

LucinaRCH
Member
Registered: 2026-11-06
Posts: 5

Re: Wayland unable to launch after a fumble with system update.

killertofus wrote:

why do you need to uninstall programs to update core packages?

The update would fail due to dependencies not being met from certain programs, mainly due to x11 support being dropped from plasma. But, bypassing dependencies totally messed up alot of stuff..

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#7 2026-11-09 09:13:19

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 78,828

Re: Wayland unable to launch after a fumble with system update.

[2026-11-03T16:17:32-0700] [PACMAN] Running 'pacman -Syyuu'
[2026-11-03T16:17:55-0700] [PACMAN] Running 'pacman -Syyu'
[2026-11-03T16:21:42-0700] [PACMAN] Running 'pacman -S nvidia-dkms linux-headers'
[2026-11-03T19:17:00-0700] [PACMAN] Running 'pacman -Syy'
[2026-11-03T19:17:29-0700] [PACMAN] Running 'pacman -Syy'
[2026-11-03T19:19:59-0700] [PACMAN] Running 'pacman -Syy'
[2026-11-03T19:20:52-0700] [PACMAN] Running 'pacman -S linux-lts linux-lts-headers nvidia-lts'
[2026-11-03T19:21:27-0700] [PACMAN] Running 'pacman -S linux-lts linux-lts-headers nvidia-open-lts'
[2026-11-03T19:23:35-0700] [PACMAN] Running 'pacman -Scc'
[2026-11-03T19:24:40-0700] [PACMAN] Running 'pacman -S linux-lts linux-lts-headers nvidia-open-lts'
[2026-11-03T19:45:42-0700] [PACMAN] Running 'pacman -S --needed plasma-desktop plasma-framework plasma-workspace qt6-declarative qt6-wayland'
[2026-11-03T19:46:14-0700] [PACMAN] Running 'pacman -S --needed --overwrite plasma-desktop plasma-framework plasma-workspace qt6-declarative qt6-wayland'
[2026-11-03T19:46:59-0700] [PACMAN] Running 'pacman -S --overwrite plasma-desktop plasma-framework plasma-workspace qt6-declarative qt6-wayland'
[2026-11-03T19:47:50-0700] [PACMAN] Running 'pacman -S --overwrite plasma-desktop libplasma plasma-workspace qt6-declarative qt6-wayland'
[2026-11-05T18:22:13-0700] [PACMAN] Running 'pacman -Sy'

I assume this is where the problems started… do you remember why you tried the overwrite?

[2026-05-11T21:36:30-0600] [PACMAN] Running 'pacman --upgrade -- /home/snivez/.cache/paru/clone/kwin-effects-better-blur-dx/kwin-effects-better-blur-dx-2.3.0-1-x86_64.pkg.tar.zst'

get rid of that for good measure.

pacman -Qm
sudo LC_ALL=C pacman -Qkk | grep -v ', 0 altered files' | grep -v backup
sudo pacman -Syu -v --debug

This journal only has an xfce session (and no attempt to run plasma)

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#8 Today 02:11:31

LucinaRCH
Member
Registered: 2026-11-06
Posts: 5

Re: Wayland unable to launch after a fumble with system update.

seth wrote:
[2026-11-03T16:17:32-0700] [PACMAN] Running 'pacman -Syyuu'
[2026-11-03T16:17:55-0700] [PACMAN] Running 'pacman -Syyu'
[2026-11-03T16:21:42-0700] [PACMAN] Running 'pacman -S nvidia-dkms linux-headers'
[2026-11-03T19:17:00-0700] [PACMAN] Running 'pacman -Syy'
[2026-11-03T19:17:29-0700] [PACMAN] Running 'pacman -Syy'
[2026-11-03T19:19:59-0700] [PACMAN] Running 'pacman -Syy'
[2026-11-03T19:20:52-0700] [PACMAN] Running 'pacman -S linux-lts linux-lts-headers nvidia-lts'
[2026-11-03T19:21:27-0700] [PACMAN] Running 'pacman -S linux-lts linux-lts-headers nvidia-open-lts'
[2026-11-03T19:23:35-0700] [PACMAN] Running 'pacman -Scc'
[2026-11-03T19:24:40-0700] [PACMAN] Running 'pacman -S linux-lts linux-lts-headers nvidia-open-lts'
[2026-11-03T19:45:42-0700] [PACMAN] Running 'pacman -S --needed plasma-desktop plasma-framework plasma-workspace qt6-declarative qt6-wayland'
[2026-11-03T19:46:14-0700] [PACMAN] Running 'pacman -S --needed --overwrite plasma-desktop plasma-framework plasma-workspace qt6-declarative qt6-wayland'
[2026-11-03T19:46:59-0700] [PACMAN] Running 'pacman -S --overwrite plasma-desktop plasma-framework plasma-workspace qt6-declarative qt6-wayland'
[2026-11-03T19:47:50-0700] [PACMAN] Running 'pacman -S --overwrite plasma-desktop libplasma plasma-workspace qt6-declarative qt6-wayland'
[2026-11-05T18:22:13-0700] [PACMAN] Running 'pacman -Sy'

I assume this is where the problems started… do you remember why you tried the overwrite?

[2026-05-11T21:36:30-0600] [PACMAN] Running 'pacman --upgrade -- /home/snivez/.cache/paru/clone/kwin-effects-better-blur-dx/kwin-effects-better-blur-dx-2.3.0-1-x86_64.pkg.tar.zst'

get rid of that for good measure.

pacman -Qm
sudo LC_ALL=C pacman -Qkk | grep -v ', 0 altered files' | grep -v backup
sudo pacman -Syu -v --debug

This journal only has an xfce session (and no attempt to run plasma)

Here is an updated log with both a plasma wayland launch, and the pacman commands asked to be run.

https://termbin.com/g7918
thank you, again for checking this issue

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#9 Today 08:36:02

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 78,828

Re: Wayland unable to launch after a fumble with system update.

No, the idea was to post the outputs of those commands (they'll not show in your journal)

pacman -Qm >> /tmp/stuff.txt
sudo LC_ALL=C pacman -Qkk | grep -v ', 0 altered files' | grep -v backup >> /tmp/stuff.txt
sudo pacman -Syu -v --debug >> /tmp/stuff.txt
cat  /tmp/stuff.txt | nc termbin.com 9999

How to upload text · How to boot w/o GUI · Disable Windows Fast-Start! · Fix your xinitrc

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