Fatal server error: Caught signal 11 (Segmentation fault). Server aborting

[poma]

$ rpm -q xorg-x11-server-Xorg
xorg-x11-server-Xorg-1.16.0-6.fc22.x86_64

 (EE) 
 (EE) Backtrace:
 (EE) 0: /usr/libexec/Xorg.bin (OsLookupColor+0x119) [0x59bea9]
 (EE) 1: /lib64/libc.so.6 (__restore_rt+0x0) [0x7ffd99f3098f]
 (EE) 2: /usr/libexec/Xorg.bin (xf86PlatformMatchDriver+0x253) [0x49a8b3]
 (EE) 3: /usr/libexec/Xorg.bin (config_fini+0x1bcd) [0x49f9fd]
 (EE) 4: /usr/libexec/Xorg.bin (config_fini+0x20be) [0x4a031e]
 (EE) 5: /usr/libexec/Xorg.bin (InitOutput+0xb56) [0x47bc06]
 (EE) 6: /usr/libexec/Xorg.bin (remove_fs_handlers+0x22a) [0x43cfca]
 (EE) 7: /lib64/libc.so.6 (__libc_start_main+0xf0) [0x7ffd99f1b0e0]
 (EE) 8: /usr/libexec/Xorg.bin (_start+0x29) [0x42761e]
 (EE) 9: ? (?+0x29) [0x29]
 (EE) 
 (EE) Segmentation fault at address 0x0
 (EE) 
Fatal server error:
 (EE) Caught signal 11 (Segmentation fault). Server aborting
 (EE) 
 (EE) 
Please consult the Fedora Project support 
	 at http://wiki.x.org
 for help. 
 (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
 (EE) 


Déjà vu?

https://bugzilla.redhat.com/show_bug.cgi?id=1118540

 (EE) 
 (EE) Backtrace:
 (EE) 0: /usr/libexec/Xorg.bin (OsLookupColor+0x119) [0x59bbe9]
 (EE) 1: /lib64/libc.so.6 (__restore_rt+0x0) [0x35d5235c7f]
 (EE) 2: /lib64/libc.so.6 (cfree+0x22) [0x35d52869b2]
 (EE) 3: /usr/libexec/Xorg.bin (config_fini+0x19a) [0x49c39a]
 (EE) 4: /usr/libexec/Xorg.bin (xf86LoadKernelModule+0x306) [0x49ffa6]
 (EE) 5: /usr/libexec/Xorg.bin (xf86PlatformDeviceCheckBusID+0x1ff) [0x4a023f]
 (EE) 6: /usr/libexec/Xorg.bin (config_fini+0x1a93) [0x49f423]
 (EE) 7: /usr/libexec/Xorg.bin (xf86PlatformMatchDriver+0x2f0) [0x49ac40]
 (EE) 8: /usr/libexec/Xorg.bin (xf86BusProbe+0x9) [0x46cdb9]
 (EE) 9: /usr/libexec/Xorg.bin (InitOutput+0x75b) [0x47b84b]
 (EE) 10: /usr/libexec/Xorg.bin (remove_fs_handlers+0x22a) [0x43cfca]
 (EE) 11: /lib64/libc.so.6 (__libc_start_main+0xf0) [0x35d52200c0]
 (EE) 12: /usr/libexec/Xorg.bin (_start+0x29) [0x42761e]
 (EE) 13: ? (?+0x29) [0x29]
 (EE) 
 (EE) Segmentation fault at address 0x2
 (EE) 
Fatal server error:
 (EE) Caught signal 11 (Segmentation fault). Server aborting
 (EE) 
 (EE) 
Please consult the Fedora Project support 
	 at http://wiki.x.org
 for help. 
 (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
 (EE) 
 (EE) Server terminated with error (1). Closing log file.