WARNING regarding 4.3.x kernel

Cristian Sava csava at central.ucv.ro
Thu Jan 21 08:12:42 UTC 2016


I have a F23 server with minimal working X (no desktop).
All was working well with kernel-4.2.x
With kernel-4.3.x I get (in xterm):

[a53 at s ~]$ su -c virt-manager
Password: 
[a53 at s ~]$ No protocol specified
Unable to init server: Could not connect: Connection refused
(virt-manager:54862): Gtk-CRITICAL **: gtk_settings_get_for_screen:
assertion 'GDK_IS_SCREEN (screen)' failed
[a53 at s ~]$ 

journalctl gives:

kernel: virt-manager[8896]: segfault at 0 ip 00007f612fce78a9 sp
00007ffe5a45e580 error 4 in libgtk-3.so.0.1800.6[7f612fa2d000+710000]
kernel: BUG: unable to handle kernel NULL pointer dereference at
0000000000000060

Searching the web I discovered that during years this error shows up
from time to time across different distributions (including Fedora).
This time it seems to be kernel related and does not show up with
Gnome.

C.S



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