[kde] [Bug 358873] New: KDE Plasma always Crashes when login remotely form xdmcp session ( Fedora 23 )

[josep via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=358873

            Bug ID: 358873
           Summary: KDE Plasma always Crashes when login remotely form
                    xdmcp session ( Fedora 23 )
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: blanch at clinic.cat

Application: kdeinit5 ()

Qt Version: 5.5.1
Operating System: Linux 4.3.3-303.fc23.x86_64+debug x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
I was loggin as root from an XDMCP session, using Xming

Xming set up in one Window mode, with clipboard copy enabled

Using Xmanager ( NetSarang ) crashes as well

Fedora 23 ( Workstation ) was fist installed with gnome desktop, and added KDe
as a second platform, the switched desktop type to kde

Lan access is configured on top of openvswitch with an internal port assigned
to ona specific vlan with a fixed ip for management purposes

The crash can be reproduced every time.

-- Backtrace:
Application: KCMInit (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f71c75168c0 (LWP 21964))]

Thread 2 (Thread 0x7f71a7d57700 (LWP 21965)):
#0  0x00007f71c42eafdd in poll () from /lib64/libc.so.6
#1  0x00007f71c34c0272 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f71c34c1ee7 in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f71a9eefda9 in QXcbEventReader::run() () from
/lib64/libQt5XcbQpa.so.5
#4  0x00007f71c4ef33de in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007f71c392f60a in start_thread () from /lib64/libpthread.so.0
#6  0x00007f71c42f6a4d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f71c75168c0 (LWP 21964)):
[KCrash Handler]
#5  0x00007f71ab9a85cc in XIFreeDeviceInfo () from /lib64/libXi.so.6
#6  0x00007f71a4b0fb5f in MouseSettings::apply(bool) [clone .part.10] () from
/usr/lib64/qt5/plugins/kcm_input.so
#7  0x00007f71a4b16ac4 in kcminit_mouse () from
/usr/lib64/qt5/plugins/kcm_input.so
#8  0x00007f71aa3a6880 in KCMInit::runModule(QString const&,
QExplicitlySharedDataPointer<KService>) () from
/lib64/libkdeinit5_kcminit_startup.so
#9  0x00007f71aa3a706a in KCMInit::runModules(int) () from
/lib64/libkdeinit5_kcminit_startup.so
#10 0x00007f71aa3a7dec in KCMInit::KCMInit(QCommandLineParser const&) () from
/lib64/libkdeinit5_kcminit_startup.so
#11 0x00007f71aa3a94f8 in kdemain () from /lib64/libkdeinit5_kcminit_startup.so
#12 0x0000561d974f1776 in launch(int, char const*, char const*, char const*,
int, char const*, bool, char const*, bool, char const*) ()
#13 0x0000561d974ee0ff in main ()

Possible duplicates by query: bug 356701.

Reported using DrKonqi

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