[kwin] [Bug 519874] plasmashell and ksplashqml crash with SIGBUS (signal 7) on Wayland on aarch64 (ARM64) (arch Linux arm on nabu)

2026-05-13 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=519874

[email protected] changed:

   What|Removed |Added

 Status|NEEDSINFO   |REPORTED
 Resolution|BACKTRACE   |---
 Ever confirmed|1   |0

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[kwin] [Bug 519874] plasmashell and ksplashqml crash with SIGBUS (signal 7) on Wayland on aarch64 (ARM64) (arch Linux arm on nabu)

2026-05-13 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=519874

--- Comment #8 from [email protected] ---
(In reply to xusu616 from comment #7)
> (In reply to TraceyC from comment #6)
> > Thanks for the bug report. From the logs, systemsettings crashed
> > 
> > May 07 15:21:13 alarm systemd-coredump[2004]: Process 1248 (systemsettings)
> > of user 1000 dumped core.
> > 
> > As the message at the top of the summary says, if something crashed, we need
> > a backtrace of it so we can figure out what's going on. Can you please
> > attach a backtrace of the crash, as detailed in
> > https://community.kde.org/Guidelines_and_HOWTOs/Debugging/
> > How_to_create_useful_crash_reports ?感谢您提交错误报告。从日志来看,系统设置崩溃了。
> > 
> > 5 月 7 日 15:21:13 alarm systemd-coredump[2004]: 用户 1000 的进程 1248
> > (systemsettings) 已生成核心转储文件。
> > 
> > 正如摘要顶部的消息所述,如果程序崩溃,我们需要崩溃回溯信息才能找出问题所在。请您按照
> > https://community.kde.org/Guidelines_and_HOWTOs/Debugging/
> > How_to_create_useful_crash_reports 中的说明,附上崩溃回溯信息。
> 
> I have captured a full backtrace using debuginfod. It appears the crash
> occurs within the Fcitx 5 Qt6 platform input context plugin when updating
> the client-side UI via DBus.
> 
> Environment: Arch Linux ARM (aarch64) on Xiaomi Pad 5 (nabu), Wayland
> session.
> 
>  **Backtrace:** >>>(gdb) set debuginfod enabled on
> (gdb) bt
> #0  0xad84b674 in ?? () from /usr/lib/libc.so.6
> #1  0xad7f8158 in raise () from /usr/lib/libc.so.6
> #2  0xafcb4e44 in KCrash::defaultCrashHandler(int) () from
> /usr/lib/libKF6Crash.so.6
> #3  
> #4  0xa45b177c in ?? ()
>from
> /usr/lib/qt6/plugins/platforminputcontexts/
> libfcitx5platforminputcontextplugin.so
> #5  0xa45a69b4 in ?? ()
>from
> /usr/lib/qt6/plugins/platforminputcontexts/
> libfcitx5platforminputcontextplugin.so
> #6  0xa4599c38 in ?? ()
>from
> /usr/lib/qt6/plugins/platforminputcontexts/
> libfcitx5platforminputcontextplugin.so
> #7  0xa459a788 in ?? ()
>from
> /usr/lib/qt6/plugins/platforminputcontexts/
> libfcitx5platforminputcontextplugin.so
> #8  0xa45a27ec in ?? ()
>from
> /usr/lib/qt6/plugins/platforminputcontexts/
> libfcitx5platforminputcontextplugin.so
> #9  0xadf2c004 in ?? () from /usr/lib/libQt6Core.so.6
> #10 0xa4583838 in ?? ()
>from
> /usr/lib/qt6/plugins/platforminputcontexts/
> libfcitx5platforminputcontextplugin.so
> #11 0xa45993ac in ?? ()
>from
> /usr/lib/qt6/plugins/platforminputcontexts/
> libfcitx5platforminputcontextplugin.so
> #12 0xadf2c004 in ?? () from /usr/lib/libQt6Core.so.6
> #13 0xa44f2fc4 in
> fcitx::FcitxQtInputContextProxy::updateClientSideUI(QList FcitxQtFormattedPreedit> const&, int, QList
> const&, QList const&,
> QList const&, int, int, bool, bool) () from
> /usr/lib/libFcitx5Qt6DBusAddons.so.1
> #14 0xa452dcac in ?? () from /usr/lib/libFcitx5Qt6DBusAddons.so.1
> #15 0xadf2c004 in ?? () from /usr/lib/libQt6Core.so.6
> #16 0xa44f3074 in
> fcitx::FcitxQtInputContextProxyImpl::UpdateClientSideUI(QList FcitxQtFormattedPreedit>, int, QList,
> QList, QList,
> int, int, bool, bool) () from /usr/lib/libFcitx5Qt6DBusAddons.so.1
> --Type  for more, q to quit, c to continue without paging--
> #17 0xa44f5058 in ?? () from /usr/lib/libFcitx5Qt6DBusAddons.so.1
> #18 0xa44f7edc in
> fcitx::FcitxQtInputContextProxyImpl::qt_metacall(QMetaObject::Call, int,
> void**) ()
>from /usr/lib/libFcitx5Qt6DBusAddons.so.1
> #19 0xad3e08fc in ?? () from /usr/lib/libQt6DBus.so.6
> #20 0xadf1ae94 in QObject::event(QEvent*) () from
> /usr/lib/libQt6Core.so.6
> #21 0xaf0f4f90 in QApplicationPrivate::notify_helper(QObject*,
> QEvent*) ()
>from /usr/lib/libQt6Widgets.so.6
> #22 0xadeb09d8 in QCoreApplication::notifyInternal2(QObject*,
> QEvent*) () from /usr/lib/libQt6Core.so.6
> #23 0xadeb4f98 in
> QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ()
>from /usr/lib/libQt6Core.so.6
> #24 0xae22fffc in ?? () from /usr/lib/libQt6Core.so.6
> #25 0xac616370 in ?? () from /usr/lib/libglib-2.0.so.0
> #26 0xac61a034 in ?? () from /usr/lib/libglib-2.0.so.0
> #27 0xac61aa04 in g_main_context_iteration () from
> /usr/lib/libglib-2.0.so.0
> #28 0xae22f474 in
> QEventDispatcherGlib::processEvents(QFlags) ()
>from /usr/lib/libQt6Core.so.6
> #29 0xadebf7a8 in
> QEventLoop::exec(QFlags) () from
> /usr/lib/libQt6Core.so.6
> #30 0xadeba1fc in QCoreApplication::exec() () from
> /usr/lib/libQt6Core.so.6
> #31 0xcdb3c7d8 in ?? ()
> #32 0xad7e2dd4 in ?? () from /usr/lib/libc.so.6
> #33 0xad7e2f38 in __libc_start_main () from /usr/lib/libc.so.6
> #34 0xcdb3d1f0 in ?? ()
> (gdb)
> 
> Maybe I need close Fcitx 5 but I must go to sleep now

sudo mv
/usr/lib/qt6/plugins/platforminputcontexts/libfcitx5platforminputcontextplugin.so
~/
It's the problem of it 

At least it won't cr

[kwin] [Bug 519874] plasmashell and ksplashqml crash with SIGBUS (signal 7) on Wayland on aarch64 (ARM64) (arch Linux arm on nabu)

2026-05-12 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=519874

--- Comment #7 from [email protected] ---
(In reply to TraceyC from comment #6)
> Thanks for the bug report. From the logs, systemsettings crashed
> 
> May 07 15:21:13 alarm systemd-coredump[2004]: Process 1248 (systemsettings)
> of user 1000 dumped core.
> 
> As the message at the top of the summary says, if something crashed, we need
> a backtrace of it so we can figure out what's going on. Can you please
> attach a backtrace of the crash, as detailed in
> https://community.kde.org/Guidelines_and_HOWTOs/Debugging/
> How_to_create_useful_crash_reports ?感谢您提交错误报告。从日志来看,系统设置崩溃了。
> 
> 5 月 7 日 15:21:13 alarm systemd-coredump[2004]: 用户 1000 的进程 1248
> (systemsettings) 已生成核心转储文件。
> 
> 正如摘要顶部的消息所述,如果程序崩溃,我们需要崩溃回溯信息才能找出问题所在。请您按照
> https://community.kde.org/Guidelines_and_HOWTOs/Debugging/
> How_to_create_useful_crash_reports 中的说明,附上崩溃回溯信息。

I have captured a full backtrace using debuginfod. It appears the crash occurs
within the Fcitx 5 Qt6 platform input context plugin when updating the
client-side UI via DBus.

Environment: Arch Linux ARM (aarch64) on Xiaomi Pad 5 (nabu), Wayland session.

 **Backtrace:** >>>(gdb) set debuginfod enabled on
(gdb) bt
#0  0xad84b674 in ?? () from /usr/lib/libc.so.6
#1  0xad7f8158 in raise () from /usr/lib/libc.so.6
#2  0xafcb4e44 in KCrash::defaultCrashHandler(int) () from
/usr/lib/libKF6Crash.so.6
#3  
#4  0xa45b177c in ?? ()
   from
/usr/lib/qt6/plugins/platforminputcontexts/libfcitx5platforminputcontextplugin.so
#5  0xa45a69b4 in ?? ()
   from
/usr/lib/qt6/plugins/platforminputcontexts/libfcitx5platforminputcontextplugin.so
#6  0xa4599c38 in ?? ()
   from
/usr/lib/qt6/plugins/platforminputcontexts/libfcitx5platforminputcontextplugin.so
#7  0xa459a788 in ?? ()
   from
/usr/lib/qt6/plugins/platforminputcontexts/libfcitx5platforminputcontextplugin.so
#8  0xa45a27ec in ?? ()
   from
/usr/lib/qt6/plugins/platforminputcontexts/libfcitx5platforminputcontextplugin.so
#9  0xadf2c004 in ?? () from /usr/lib/libQt6Core.so.6
#10 0xa4583838 in ?? ()
   from
/usr/lib/qt6/plugins/platforminputcontexts/libfcitx5platforminputcontextplugin.so
#11 0xa45993ac in ?? ()
   from
/usr/lib/qt6/plugins/platforminputcontexts/libfcitx5platforminputcontextplugin.so
#12 0xadf2c004 in ?? () from /usr/lib/libQt6Core.so.6
#13 0xa44f2fc4 in
fcitx::FcitxQtInputContextProxy::updateClientSideUI(QList
const&, int, QList const&,
QList const&,
QList const&, int, int, bool, bool) () from
/usr/lib/libFcitx5Qt6DBusAddons.so.1
#14 0xa452dcac in ?? () from /usr/lib/libFcitx5Qt6DBusAddons.so.1
#15 0xadf2c004 in ?? () from /usr/lib/libQt6Core.so.6
#16 0xa44f3074 in
fcitx::FcitxQtInputContextProxyImpl::UpdateClientSideUI(QList,
int, QList,
QList, QList,
int, int, bool, bool) () from /usr/lib/libFcitx5Qt6DBusAddons.so.1
--Type  for more, q to quit, c to continue without paging--
#17 0xa44f5058 in ?? () from /usr/lib/libFcitx5Qt6DBusAddons.so.1
#18 0xa44f7edc in
fcitx::FcitxQtInputContextProxyImpl::qt_metacall(QMetaObject::Call, int,
void**) ()
   from /usr/lib/libFcitx5Qt6DBusAddons.so.1
#19 0xad3e08fc in ?? () from /usr/lib/libQt6DBus.so.6
#20 0xadf1ae94 in QObject::event(QEvent*) () from
/usr/lib/libQt6Core.so.6
#21 0xaf0f4f90 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
()
   from /usr/lib/libQt6Widgets.so.6
#22 0xadeb09d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt6Core.so.6
#23 0xadeb4f98 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) ()
   from /usr/lib/libQt6Core.so.6
#24 0xae22fffc in ?? () from /usr/lib/libQt6Core.so.6
#25 0xac616370 in ?? () from /usr/lib/libglib-2.0.so.0
#26 0xac61a034 in ?? () from /usr/lib/libglib-2.0.so.0
#27 0xac61aa04 in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#28 0xae22f474 in
QEventDispatcherGlib::processEvents(QFlags) ()
   from /usr/lib/libQt6Core.so.6
#29 0xadebf7a8 in
QEventLoop::exec(QFlags) () from
/usr/lib/libQt6Core.so.6
#30 0xadeba1fc in QCoreApplication::exec() () from
/usr/lib/libQt6Core.so.6
#31 0xcdb3c7d8 in ?? ()
#32 0xad7e2dd4 in ?? () from /usr/lib/libc.so.6
#33 0xad7e2f38 in __libc_start_main () from /usr/lib/libc.so.6
#34 0xcdb3d1f0 in ?? ()
(gdb)

Maybe I need close Fcitx 5 but I must go to sleep now

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[kwin] [Bug 519874] plasmashell and ksplashqml crash with SIGBUS (signal 7) on Wayland on aarch64 (ARM64) (arch Linux arm on nabu)

2026-05-07 Thread TraceyC
https://bugs.kde.org/show_bug.cgi?id=519874

TraceyC  changed:

   What|Removed |Added

 Status|REOPENED|NEEDSINFO
 CC||[email protected]
 Resolution|--- |BACKTRACE

--- Comment #6 from TraceyC  ---
Thanks for the bug report. From the logs, systemsettings crashed

May 07 15:21:13 alarm systemd-coredump[2004]: Process 1248 (systemsettings) of
user 1000 dumped core.

As the message at the top of the summary says, if something crashed, we need a
backtrace of it so we can figure out what's going on. Can you please attach a
backtrace of the crash, as detailed in
https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports
?

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[kwin] [Bug 519874] plasmashell and ksplashqml crash with SIGBUS (signal 7) on Wayland on aarch64 (ARM64) (arch Linux arm on nabu)

2026-05-07 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=519874

--- Comment #5 from [email protected] ---
Created attachment 192101
  --> https://bugs.kde.org/attachment.cgi?id=192101&action=edit
The time it crashed again after restarting (repair failed)

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[kwin] [Bug 519874] plasmashell and ksplashqml crash with SIGBUS (signal 7) on Wayland on aarch64 (ARM64) (arch Linux arm on nabu)

2026-05-07 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=519874

[email protected] changed:

   What|Removed |Added

 Resolution|WORKSFORME  |---
 Status|RESOLVED|REOPENED
 Ever confirmed|0   |1

--- Comment #4 from [email protected] ---
Hiss, it seems that this problem still occurs every time I restart, and then I
do it again. It fixed
It will crash again after restarting

journalctl -b -2 -p -err journalctl -b -1  -p -err is attached

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[kwin] [Bug 519874] plasmashell and ksplashqml crash with SIGBUS (signal 7) on Wayland on aarch64 (ARM64) (arch Linux arm on nabu)

2026-05-07 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=519874

--- Comment #3 from [email protected] ---
Created attachment 192100
  --> https://bugs.kde.org/attachment.cgi?id=192100&action=edit
This is the time after the correction and the wayland can be used, the time
before restarting

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[kwin] [Bug 519874] plasmashell and ksplashqml crash with SIGBUS (signal 7) on Wayland on aarch64 (ARM64) (arch Linux arm on nabu)

2026-05-06 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=519874

[email protected] changed:

   What|Removed |Added

 Status|REPORTED|RESOLVED
 Resolution|--- |WORKSFORME

--- Comment #2 from [email protected] ---
It was resolved (It took me a few days but I finally solved it simply)

Uninstalling maliit-keyboard

Then I 
kwriteconfig6 --file kwinrc --group org.kde.kdecoration2 --key library ""
kwriteconfig6 --file kwinrc --group org.kde.kdecoration2 --key NoPlugin true
qdbus6 org.kde.KWin /KWin reconfigure

Then 
kwriteconfig6 --file kwinrc --group org.kde.kdecoration2 --key NoPlugin false
kwriteconfig6 --file kwinrc --group org.kde.kdecoration2 --key library
"org.kde.breeze"

BTW
Just restart sddm isn't useful 
Doing a full system reboot

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[kwin] [Bug 519874] plasmashell and ksplashqml crash with SIGBUS (signal 7) on Wayland on aarch64 (ARM64) (arch Linux arm on nabu)

2026-05-06 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=519874

--- Comment #1 from [email protected] ---
xvsu@alarm
--
OS: Arch Linux ARM aarch64
Host: Pad 5 (nabu)
Kernel: Linux 6.14.0-mainline-sm8150-g841784eacbf9
Uptime: 27 mins
Packages: 901 (pacman)
Shell: bash 5.3.9
Display (DSI-1): 1600x2560 @ 2x, 120 Hz
DE: KDE Plasma 6.6.4
WM: KWin (X11)
WM Theme: Breeze 微风
Theme: Breeze (Dark) [Qt], Breeze-Dark [GTK2], Breeze [GTK3]
Icons: breeze-dark [Qt], breeze-dark [GTK2/3/4]
Font: Noto Sans (10pt) [Qt], Noto Sans (10pt) [GTK2/3/4]
Cursor: breeze (30px)
Terminal: konsole 26.4.0
CPU: sm8150 (8) @ 2.96 GHz
GPU: Qualcomm Turnip Adreno (TM) 640 [Integrated]
Memory: 3.12 GiB / 5.22 GiB (60%)
Swap: 793.50 MiB / 5.22 GiB (15%)
Disk (/): 44.14 GiB / 137.32 GiB (32%) - ext4
Local IP (wld0): 192.168.1.253/24
Battery: 99% [Discharging]
Locale: zh_CN.UTF-8

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