https://bugs.kde.org/show_bug.cgi?id=488023
Bug ID: 488023
Summary: plasmashell sometimes crashed in
SystemClipboard::checkClipData::ClipboardMode after
copying and pasting files in nautilus
Classification: Plasma
Product: plasmashell
Version: git-stable-Plasma/6.1
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Keywords: qt6
Severity: normal
Priority: NOR
Component: generic-crash
Assignee: plasma-b...@kde.org
Reporter: matt.fagn...@bell.net
Target Milestone: 1.0
Created attachment 170135
--> https://bugs.kde.org/attachment.cgi?id=170135&action=edit
screenshot of plasmashell trace
SUMMARY
I was using Plasma 6.0.90 on Wayland in Fedora Rawhide QEMU/KVM VMs in GNOME
Boxes using the llvmpipe driver in a Fedora 40 host. plasmashell sometimes
crashed in SystemClipboard::checkClipData::ClipboardMode after copying and
pasting files in nautilus. I've seen such crashes twice out of several times
doing so. Two drkonqi windows appeared which showed the crash information
couldn't be generated and had messages at the bottom saying that gdb had to be
installed even though it was. The core dump of the second crash was removed due
to following crashes in kded6, konsole, xdg-desktop-portal-kde. The Plasma
session crashed again and went back to sddm. I'm writing out the top of the
plasmashell trace from coredumpctl info in a screenshot I took in a VT.
#0 __pthread_kill_implementation
#1 raise
#2 KCrash::crashDefaultHandler
#3 __restore_rt
#4 SystemClipboard::checkClipData::ClipboardMode (plasma_engine_clipboard.so)
#5 doActivate
#6 KSystemClipboard::changed::ClipboardMode (libKF6GUIAddons.so.6)
#7 doActivate
...
I'm attaching the screenshot of the trace. I'll try to reproduce this problem
to get a better trace. I didn't see this problem with Plasma 6.0.5 or earlier.
STEPS TO REPRODUCE
1. Boot a Fedora 40 KDE Plasma installation updated to 2024-6-4 with
updates-testing enabled
2. Log in to Plasma 6.0.5 on Wayland
3. Start Konsole
4. Install GNOME Boxes if it isn't already with sudo dnf install gnome-boxes
5. Download Fedora-KDE-Live-x86_64-Rawhide-20240602.n.0.iso from
https://koji.fedoraproject.org/koji/buildinfo?buildID=2459739
6. Start GNOME Boxes
7. Boot Fedora-KDE-Live-x86_64-Rawhide-20240531.n.0.iso in a GNOME Boxes
QEMU/KVM VM with 3.5 GiB RAM, UEFI enabled, and 3D acceleration disabled using
the llvmpipe mesa driver with a shared folder in the host
8. Start Konsole
9. journalctl --no-host >
journalctl-selinux-policy-41.1-1-f41-systemd-generator-denials-1.txt
10. sudo dnf install nautilus
11. nautilus &
12. right-click on
journalctl-selinux-policy-41.1-1-f41-systemd-generator-denials-1.txt and copy
with the context menu
12. Press Ctrl+L to select the location bar in nautilus
13. enter dav://localhost:9843 in the location bar
14. select the shared folder in the host
15. paste journalctl-selinux-policy-41.1-1-f41-systemd-generator-denials-1.txt
in the shared folder
16. If plasmashell didn't crash, repeat 12-15 until it does
OBSERVED RESULT
plasmashell sometimes crashed in SystemClipboard::checkClipData::ClipboardMode
after copying and pasting files in nautilus
EXPECTED RESULT
No crashes should've happened.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora Rawhide
(available in About System)
KDE Plasma Version: 6.0.90
KDE Frameworks Version: 6.3.0
Qt Version: 6.7.1
ADDITIONAL INFORMATION
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