Bug 436939

Summary:	startkde: "Could not start Plasma session" xmessage in Wayland session in VirtualBox
Product:	[Plasma] plasmashell	Reporter:	Eric R <aer0usa>
Component:	generic-crash	Assignee:	Plasma Bugs List <plasma-bugs>
Status:	RESOLVED WORKSFORME
Severity:	crash	CC:	aer0usa, nate, plasma-bugs
Priority:	NOR	Keywords:	drkonqi, wayland-only
Version:	5.21.3
Target Milestone:	1.0
Platform:	Fedora RPMs
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:

Description Eric R 2021-05-11 17:25:14 UTC

Application: kde-open5 (5.21.3)

Qt Version: 5.15.2
Frameworks Version: 5.80.0
Operating System: Linux 5.11.12-300.fc34.x86_64 x86_64
Windowing System: Wayland
Drkonqi Version: 5.21.3
Distribution: Fedora 34 (KDE Plasma)

-- Information about the crash:
- What I was doing when the application crashed:
I had just installed Fedora 34 Plasma in a VM in VirutualBox. I added the Guest Additions CD to the VM, and I was mounting the CD when the session went black, and showed an xmessage dialog with the message "startkde: Could not start Plasma session." I am running a Wayland session.
FWIW, the host is Ubuntu MATE 20.04.2
Also FWIW, I saw this a few times during installation, and using an Xsession worked better.

- Unusual behavior I noticed:
The black screen with xmessage dialog described above.
Thanks!

The reporter is unsure if this crash is reproducible.

-- Backtrace:
Application: KIO Client (kde-open5), signal: Aborted

[KCrash Handler]
#4  0x00007f7884b6e292 in raise () from /lib64/libc.so.6
#5  0x00007f7884b578a4 in abort () from /lib64/libc.so.6
#6  0x00007f7884fd042d in QMessageLogger::fatal(char const*, ...) const () from /lib64/libQt5Core.so.5
#7  0x00007f78810d6ef3 in QtWaylandClient::QWaylandDisplay::checkError() const [clone .cold] () from /lib64/libQt5WaylandClient.so.5
#8  0x00007f78810e56fa in QtWaylandClient::QWaylandDisplay::flushRequests() () from /lib64/libQt5WaylandClient.so.5
#9  0x00007f78851ce4fd in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt5Core.so.5
#10 0x00007f78851ea6d2 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#11 0x00007f788519c9b2 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#12 0x00007f78851a4544 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#13 0x000055c9322474f5 in main ()
[Inferior 1 (process 2370) detached]

Possible duplicates by query: bug 436863, bug 435427, bug 433524, bug 432084, bug 431077.

Reported using DrKonqi
This report was filed against 'kde' because the product 'kde-open5' could not be located in Bugzilla. Add it to drkonqi's mappings file!

Comment 1 Nate Graham 2022-01-12 18:14:38 UTC

A lot has changed since then, and I don't recommend using the Wayland session in any Plasma version prior to 5.23. Can you try again in 5.23 to see if it's still happening? Thanks!

Comment 2 Eric R 2022-01-17 19:02:15 UTC

(In reply to Nate Graham from comment #1)
> A lot has changed since then, and I don't recommend using the Wayland
> session in any Plasma version prior to 5.23. Can you try again in 5.23 to
> see if it's still happening? Thanks!

I haven't been able to update my Fedora 34 VM to try this again. The X11 session isn't working much better than the Wayland session, and I can't run much of anything on this VM. I think we should close this bug, because I think my VM setup is the real problem, and there doesn't seem to be a way for me to provide more useful info.

Thanks anyhow!

Comment 3 Nate Graham 2022-01-17 19:35:32 UTC

OK, thanks for checking again.