[   606.963] 
X.Org X Server 1.19.1
Release Date: 2017-01-11
[   606.985] X Protocol Version 11, Revision 0
[   606.992] Build Operating System:  4.8.12-300.fc25.ppc64 
[   606.999] Current Operating System: Linux dhcppc10 4.10.0-rc8 #1 SMP Mon Feb 13 21:15:19 CET 2017 ppc64
[   606.999] Kernel command line: root=UUID=13a07349-1acf-4fef-ad99-83108baf4ab1 ro ro nouveau.modeset=0 video=nouveaufb:off radeon.modeset=1 video=radeonfb:off pci=realloc radeon.dpm=1 splash quiet 
[   607.014] Build Date: 18 January 2017  08:42:28AM
[   607.021] Build ID: xorg-x11-server 1.19.1-2.fc25 
[   607.028] Current version of pixman: 0.34.0
[   607.041] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[   607.041] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[   607.068] (==) Log file: "/var/log/Xorg.0.log", Time: Thu Feb 23 20:11:45 2017
[   607.068] (II) Loader magic: 0x102d29c0
[   607.068] (II) Module ABI versions:
[   607.068] 	X.Org ANSI C Emulation: 0.4
[   607.068] 	X.Org Video Driver: 23.0
[   607.068] 	X.Org XInput driver : 24.1
[   607.068] 	X.Org Server Extension : 10.0
[   607.069] (--) using VT number 2

[   607.070] (II) systemd-logind: logind integration requires -keeptty and -keeptty was not provided, disabling logind integration
[   607.070] (II) xfree86: Adding drm device (/dev/dri/card0)
[   607.072] (EE) 
[   607.079] (EE) Backtrace:
[   607.086] (EE) unw_get_proc_info failed: unsupported operation or bad value [-8]
[   607.092] (EE) 
[   607.098] (EE) Segmentation fault at address 0x50
[   607.105] (EE) 
Fatal server error:
[   607.117] (EE) Caught signal 11 (Segmentation fault). Server aborting
[   607.123] (EE) 
[   607.129] (EE) 
Please consult the Fedora Project support 
	 at http://wiki.x.org
 for help. 
[   607.152] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[   607.158] (EE) 
[   607.164] (EE) Server terminated with error (1). Closing log file.