https://bugs.kde.org/show_bug.cgi?id=524420
Bug ID: 524420
Summary: kactivitymanagerd crashed at reboot
Classification: Plasma
Product: plasmashell
Version First 6.7.4
Reported In:
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: The Activities subsystem in general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: 1.0
2026-08-18d
kactivitymanagerd crashed at reboot.
The window sizes and positions of open application windows were not saved and
restored in the Kde Plasma desktop over the reboot.
Neither were the open application window processes saved and restored in the
Plasma Task Manager on the Plasma desktop.
openSUSE Tumbleweed 20260817
KDE Plasma Version: 6.7.4
KDE Frameworks Version: 6.29.0
Qt Version: 6.11.1
Kernel Version: 7.1.8-1-default (64-bit)
Graphics Platform: Wayland
Processors: 22 × Intel® Core™ Ultra 7 155H
Memory: 40 GiB of RAM (38.5 GiB usable)
Graphics Processor: Intel® Arc
Manufacturer: ASUSTeK COMPUTER INC.
Product Name: ASUS Vivobook Pro 15 N6506MU_N6506MU
kactivitymanagerd6 v6.7.4-1.1
Before this problem:
Installed current software updates with zypper dup
Rebooted the host into Kde Plasma desktop.
Worked on the computer as usual.
The available software updates were installed shortly before this problem.
Reproduce the problem with:
Zypper software distribution upgrade to this Opensuse.
Reboot the computer.
Other information:
The Plasma desktop has the Icons-Only Task Manager configured.
Like
chris@suse7:~/tmp
$> coredumpctl --reverse
TIME PID UID GID SIG COREFILE EXE
SIZE
Tue 2026-08-18 20:40:40 CEST 7566 1000 1000 SIGABRT present
/usr/libexec/kactivitymanagerd 435.6K
chris@suse7:~/tmp
$> coredumpctl gdb 7566
PID: 7566 (kactivitymanage)
TID: 7566 (kactivitymanage)
UID: 1000 (chris)
GID: 1000 (chris)
Signal: 6 (ABRT) si_code: SI_TKILL
Timestamp: Tue 2026-08-18 20:40:40 CEST (25min ago)
Command Line: /usr/libexec/kactivitymanagerd
Executable: /usr/libexec/kactivitymanagerd
Control Group:
/user.slice/user-1000.slice/[email protected]/background.slice/plasma-kactivitymanagerd.service
Unit: [email protected]
User Unit: plasma-kactivitymanagerd.service
Slice: user-1000.slice
Owner UID: 1000 (chris)
Boot ID: a4d28f4a00054b2197f837d9b14be2b4
Machine ID: 50219a9687e24a18a17f082d9a85d25b
Hostname: suse7
Storage:
/var/lib/systemd/coredump/core.kactivitymanage.1000.a4d28f4a00054b2197f837d9b14be2b4.7566.1787078440000000.zst
(present)
Size on Disk: 435.6K
Message: Process 7566 (kactivitymanage) of user 1000 dumped core.
Stack trace of thread 7566:
#0 0x00007f790809fef4 __pthread_kill_implementation (libc.so.6
+ 0x9fef4)
#1 0x00007f7908043046 raise (libc.so.6 + 0x43046)
#2 0x00007f790802952d abort (libc.so.6 + 0x2952d)
#3 0x00007f79088fd189 _Z6qAbortv (libQt6Core.so.6 + 0xfd189)
#4 0x00007f79088fe19e _ZNK14QMessageLogger5fatalEPKcz
(libQt6Core.so.6 + 0xfe19e)
#5 0x00007f7909381721 n/a (libQt6Gui.so.6 + 0x181721)
#6 0x00007f79094417f8
_ZN22QGuiApplicationPrivate21createEventDispatcherEv (libQt6Gui.so.6 +
0x2417f8)
#7 0x00007f79089f26dd _ZN23QCoreApplicationPrivate4initEv
(libQt6Core.so.6 + 0x1f26dd)
#8 0x00007f790944191f _ZN22QGuiApplicationPrivate4initEv
(libQt6Gui.so.6 + 0x24191f)
#9 0x00007f7909442cc6 _ZN15QGuiApplicationC1ERiPPci
(libQt6Gui.so.6 + 0x242cc6)
#10 0x000055595186f896 n/a (kactivitymanagerd + 0xa896)
#11 0x00007f790802b4fe __libc_start_call_main (libc.so.6 +
0x2b4fe)
#12 0x00007f790802b62b __libc_start_main@@GLIBC_2.34 (libc.so.6
+ 0x2b62b)
#13 0x000055595186fa75 n/a (kactivitymanagerd + 0xaa75)
ELF object binary architecture: AMD x86-64
GNU gdb (GDB; openSUSE Tumbleweed) 16.3
This GDB was configured as "x86_64-suse-linux".
Reading symbols from /usr/libexec/kactivitymanagerd...
Reading symbols from
/home/chris/.cache/debuginfod_client/2ef5656006fe7dafa335efc77eb450e44820ae9b/debuginfo...
[New LWP 7566]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/libexec/kactivitymanagerd'.
Program terminated with signal SIGABRT, Aborted.
#0 __pthread_kill_implementation (threadid=<optimized out>,
signo=signo@entry=6, no_tid=no_tid@entry=0)
at pthread_kill.c:44
44 return INTERNAL_SYSCALL_ERROR_P (ret) ? INTERNAL_SYSCALL_ERRNO
(ret) : 0;
(gdb) info threads
Id Target Id Frame
* 1 Thread 0x7f7907be3ac0 (LWP 7566) __pthread_kill_implementation
(threadid=<optimized out>,
signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
(gdb) bt
#0 __pthread_kill_implementation (threadid=<optimized out>,
signo=signo@entry=6, no_tid=no_tid@entry=0)
at pthread_kill.c:44
#1 0x00007f790809ffe3 in __pthread_kill_internal (threadid=<optimized out>,
signo=6) at pthread_kill.c:89
#2 0x00007f7908043046 in __GI_raise (sig=sig@entry=6) at
../sysdeps/posix/raise.c:26
#3 0x00007f790802952d in __GI_abort () at abort.c:77
#4 0x00007f79088fd189 in qAbort ()
at
/usr/src/debug/qtbase-everywhere-src-6.11.1/src/corelib/global/qassert.cpp:47
#5 qt_maybe_message_fatal<QString&> (msgType=QtFatalMsg, context=...,
message=...)
at
/usr/src/debug/qtbase-everywhere-src-6.11.1/src/corelib/global/qlogging.cpp:2170
#6 qt_message(QtMsgType, const QMessageLogContext &, const char *, typedef
__va_list_tag __va_list_tag *) (
msgType=msgType@entry=QtFatalMsg, context=..., msg=msg@entry=0x7f7909a9602c
"%s",
ap=ap@entry=0x7ffc12636298)
at
/usr/src/debug/qtbase-everywhere-src-6.11.1/src/corelib/global/qlogging.cpp:413
#7 0x00007f79088fe19e in QMessageLogger::fatal
(this=this@entry=0x7ffc12636790,
msg=msg@entry=0x7f7909a9602c "%s")
at
/usr/src/debug/qtbase-everywhere-src-6.11.1/src/corelib/global/qlogging.cpp:902
#8 0x00007f7909381721 in init_platform (pluginNamesWithArguments=...,
platformPluginPath=...,
platformThemeName=..., argc=@0x7ffc12636b4c: 1, argv=<optimized out>)
at
/usr/src/debug/qtbase-everywhere-src-6.11.1/src/gui/kernel/qguiapplication.cpp:1368
#9 QGuiApplicationPrivate::createPlatformIntegration (this=0x555953344320)
at
/usr/src/debug/qtbase-everywhere-src-6.11.1/src/gui/kernel/qguiapplication.cpp:1616
#10 0x00007f79094417f8 in QGuiApplicationPrivate::createEventDispatcher
(this=<optimized out>)
at
/usr/src/debug/qtbase-everywhere-src-6.11.1/src/gui/kernel/qguiapplication.cpp:1634
#11 0x00007f79089f26dd in QCoreApplicationPrivate::init
(this=this@entry=0x555953344320)
at
/usr/src/debug/qtbase-everywhere-src-6.11.1/src/corelib/kernel/qcoreapplication.cpp:870
#12 0x00007f790944191f in QGuiApplicationPrivate::init (this=0x555953344320)
at
/usr/src/debug/qtbase-everywhere-src-6.11.1/src/gui/kernel/qguiapplication.cpp:1667
#13 0x00007f7909442cc6 in QGuiApplication::QGuiApplication (this=<optimized
out>, argc=<optimized out>,
argv=<optimized out>, this=<optimized out>, argc=<optimized out>,
argv=<optimized out>)
at
/usr/src/debug/qtbase-everywhere-src-6.11.1/src/gui/kernel/qguiapplication.h:175
#14 0x000055595186f896 in Application::Application (this=0x7ffc12636b60,
argc=@0x7ffc12636b4c: 1,
argv=0x7ffc12636d18) at
/usr/src/debug/kactivitymanagerd-6.7.4/src/service/Application.cpp:104
#15 main (argc=<optimized out>, argv=0x7ffc12636d18)
at /usr/src/debug/kactivitymanagerd-6.7.4/src/service/Application.cpp:250
(gdb) q
Bye
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