Application: kdeinit5 ()

Qt Version: 5.5.1
Operating System: Linux 4.4.0-89-generic x86_64
Distribution: Ubuntu 16.04.3 LTS

-- Information about the crash:
- What I was doing when the application crashed:

The computer automatically restarted after the update.

And now when i login using X2Go it print an error window with this error and can't use the machine.

The crash can be reproduced every time.

-- Backtrace:
Application: KCMInit (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4caf6d7740 (LWP 8580))]

Thread 2 (Thread 0x7f4c9b650700 (LWP 8582)):
#0  0x00007f4cade2370d in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f4cad4ffc62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f4cad5018d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f4c9d9a2889 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f4cae1977be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4cabc346ba in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#6  0x00007f4cade2f3dd in clone () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7f4caf6d7740 (LWP 8580)):
[KCrash Handler]
#6  0x00007f4c9d76353c in XIFreeDeviceInfo () from /usr/lib/x86_64-linux-gnu/libXi.so.6
#7  0x00007f4c99671a5f in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_input.so
#8  0x00007f4c99677ef1 in kcminit_mouse () from /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_input.so
#9  0x00007f4c9da569d0 in ?? () from /usr/lib/x86_64-linux-gnu/libkdeinit5_kcminit_startup.so
#10 0x00007f4c9da571f6 in ?? () from /usr/lib/x86_64-linux-gnu/libkdeinit5_kcminit_startup.so
#11 0x00007f4c9da579dd in ?? () from /usr/lib/x86_64-linux-gnu/libkdeinit5_kcminit_startup.so
#12 0x00007f4c9da58b06 in kdemain () from /usr/lib/x86_64-linux-gnu/libkdeinit5_kcminit_startup.so
#13 0x00000000004085ec in ?? ()
#14 0x00000000004050d4 in main ()

Possible duplicates by query: bug 366687.

Reported using DrKonqi