[rkward] [Bug 524219] RKWard crashes every time I submit any command

Fri Aug 14 02:00:40 BST 2026

https://bugs.kde.org/show_bug.cgi?id=524219

--- Comment #2 from Alfonso <alfonsociologo at gmail.com> ---
Could this be related to 523145
<https://bugs.kde.org/show_bug.cgi?id=523145>?

Just today I tried out the development version,
rkward-master-2651-linux-gcc-x86_64.AppImage. 2026-08-10 02:06 391M

On a Linux Mint laptop with r-base 4.6.1-4.2404.0, it presented the same
behavior; it crashed as soon as you submitted any command from the
Kate editor. Reverted to the 0.8.3 app image stable, and it worked again.
Any changes there? For testing purposes, I downloaded it to a KDE NEON
installation, and submitting commands from the interface worked, but when
sending commands from the Kate editor, it crashed instantly.

```
$ /Downloads/rkward-master-2651-linux-gcc-x86_64.AppImage --
debug-level 3
[10285:10341:0813/183716.632011:ERROR:../../../src/src/3rdparty/chromium/dbus/bus.cc:408]
Fa
iled to connect to the bus: Failed to connect to socket
/builds/sysadmin/craft-ci/linux-64-g
cc/var/run/dbus/system_bus_socket: No existe el archivo o el directorio
Violación de segmento (`core' generado)

```
Here is the back end attached.

I also did this:
```
Downloads/rkward-master-2651-linux-gcc-x86_64.AppImage --
debug-level 5
[10970:11023:0813/184230.732953:ERROR:../../../src/src/3rdparty/chromium/dbus/bus.cc:408]
Fa
iled to connect to the bus: Failed to connect to socket
/builds/sysadmin/craft-ci/linux-64-g
cc/var/run/dbus/system_bus_socket: No existe el archivo o el directorio
Violación de segmento (`core' generado)

```
And the files are here:
https://drive.google.com/drive/folders/1cST5mLt_uVlyOINHpqoJvtIf2QWbNiNu?usp=sharing

Regards,

Alfonso

El jue, 13 ago 2026 a la(s) 3:19 a.m., Vojtěch Zeisek (
bugzilla_noreply at kde.org) escribió:

> https://bugs.kde.org/show_bug.cgi?id=524219
>
>             Bug ID: 524219
>            Summary: RKWard crashes every time I submit any command
>     Classification: Applications
>            Product: rkward
>       Version First unspecified
>        Reported In:
>           Platform: openSUSE
>                 OS: Linux
>             Status: REPORTED
>           Severity: crash
>           Priority: NOR
>          Component: general
>           Assignee: rkward-devel at kde.org
>           Reporter: Vojtech.Zeisek at opensuse.org
>   Target Milestone: ---
>
> DESCRIPTION
>
> I have RKWard 0.8.3, openSUSE Tumbleweed, KF 6.28.0, Qt 6.11.1 and R 4.6.1.
>
> STEPS TO REPRODUCE
> 1. Open RKWard, either new empty session or load an existing
> data/workspace.
> 2. Submit any command, doesn't matter if using Ctrl+Enter, using the Run
> button, or direct typing to the R Console.
>
> OBSERVED RESULT
>
> In most of case (not 100 %, but almost every time) RKWard crashes.
>
> From command line
>
> $ rkward
> KCrash: Application 'rkward' crashing... crashRecursionCounter = 2
> KCrash: Attempting to start /usr/libexec/drkonqi
> [72198:72274:0813/110145.117632:FATAL:base/files/scoped_file.cc:45] Check
> failed: . : Chybný popisovač souboru (9)
> void ReportInterface::maybePickUpPostbox()
> org.kde.drkonqi: Failed to get properties
> QDBusError("org.freedesktop.DBus.Error.UnknownInterface", "Unknown
> interface
> 'org.freedesktop.systemd1.Service'.")
> QThread::setPriority: Cannot set priority, thread is not running
> adjusting gdb profile for size MemoryFence::Size::Spacious
> Trasovací/ladící past (SIGTRAP)       (core dumped [obraz paměti uložen])
> rkward
> qrc:/ui/MainPage.qml:71:9: QML MainPageButton: Binding loop detected for
> property "icon.height":
> qrc:/ui/MainPageButton.qml:15:5
> qrc:/ui/MainPage.qml:53:9: QML MainPageButton: Binding loop detected for
> property "icon.height":
> qrc:/ui/MainPageButton.qml:15:5
> remaining: 0
> kf.kio.gui: Not passing environment variable "BASH_FUNC_mc%%" to systemd
> because its name contains illegal characters
> org.kde.drkonqi: Failed to get properties
> QDBusError("org.freedesktop.DBus.Error.UnknownInterface", "Unknown
> interface
> 'org.freedesktop.systemd1.Service'.")
> adjusting gdb profile for size MemoryFence::Size::Spacious
> remaining: 0
> kf.kio.gui: Not passing environment variable "BASH_FUNC_mc%%" to systemd
> because its name contains illegal characters
>
> DrKonqui is able to return only
>
> Starting debugger gdb -nw -n -batch --init-eval-command=set debuginfod
> enabled
> on -x /tmp/drkonqi.pHpkbK -x /tmp/drkonqi.yIounb -p 72198 /usr/bin/rkward
> Downloading separate debug info for /usr/bin/rkward...
> Unable to attach: program terminated with signal SIGTRAP, Trace/breakpoint
> trap.
> Traceback (most recent call last):
>   File "/usr/share/drkonqi/gdb/python/gdb_preamble/preamble.py", line 667,
> in
> print_preamble
>     print_preamble_internal()
>     ~~~~~~~~~~~~~~~~~~~~~~~^^
>   File "/usr/share/drkonqi/gdb/python/gdb_preamble/preamble.py", line 641,
> in
> print_preamble_internal
>     resolve_modules()
>     ~~~~~~~~~~~~~~~^^
>   File "/usr/share/drkonqi/gdb/python/gdb_preamble/preamble.py", line 621,
> in
> resolve_modules
>     raise RuntimeError("No corefile found. Cannot resolve modules.")
> RuntimeError: No corefile found. Cannot resolve modules.
> No corefile found. Cannot resolve modules.
> Debugging ended with exit code '1' and exit status 'NormalExit'
>
> or
>
> Starting debugger gdb -nw -n -batch --init-eval-command=set debuginfod
> enabled
> on -x /tmp/drkonqi.dBeGii -x /tmp/drkonqi.HPEGMN -p 72198 /usr/bin/rkward
> warning: the /proc/sys/kernel/yama/ptrace_scope setting of 1 might prevent
> attaching, see 'man 2 ptrace'
> ptrace: No such process.
> Traceback (most recent call last):
>   File "/usr/share/drkonqi/gdb/python/gdb_preamble/preamble.py", line 667,
> in
> print_preamble
>     print_preamble_internal()
>     ~~~~~~~~~~~~~~~~~~~~~~~^^
>   File "/usr/share/drkonqi/gdb/python/gdb_preamble/preamble.py", line 641,
> in
> print_preamble_internal
>     resolve_modules()
>     ~~~~~~~~~~~~~~~^^
>   File "/usr/share/drkonqi/gdb/python/gdb_preamble/preamble.py", line 621,
> in
> resolve_modules
>     raise RuntimeError("No corefile found. Cannot resolve modules.")
> RuntimeError: No corefile found. Cannot resolve modules.
> No corefile found. Cannot resolve modules.
> Debugging ended with exit code '1' and exit status 'NormalExit'
>
> EXPECTED RESULT
>
> Work without crash. :-)
>
> SOFTWARE/OS VERSIONS
> Operating System (available in the Info Center app, or by running `kinfo`
> in a
> terminal window):
> KDE Plasma Version: 6.7.3
> KDE Frameworks Version: 6.28.0
> Qt Version: 6.11.1
>
> ADDITIONAL INFORMATION
>
> Kernel 7.1.6-1-default (64-bit), X11.
>
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>

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