this is from my journalctl -xb (systemd logger):

Apr 09 02:24:17 BLACKHAT kernel: traps: tixati[6597] trap invalid opcode ip:7ffc7d5c939a sp:7fff4fbe1d98 error:0 in libc-2.18.so[7ffc7d484000+1b4000]
Apr 09 02:24:21 BLACKHAT abrt-hook-ccpp[9072]: Saved core dump of pid 6597 (/usr/bin/tixati) to /var/tmp/abrt/ccpp-2014-04-09-02:24:17-6597 (404516864 bytes)
Apr 09 02:24:21 BLACKHAT abrt-server[9073]: Package 'tixati' isn't signed with proper key
Apr 09 02:24:22 BLACKHAT abrt-server[9073]: 'post-create' on '/var/tmp/abrt/ccpp-2014-04-09-02:24:17-6597' exited with 1
Apr 09 02:24:22 BLACKHAT abrt-server[9073]: Deleting problem directory '/var/tmp/abrt/ccpp-2014-04-09-02:24:17-6597'

┌─[02:31:26]─
└──> ~ $ >> uname -a
Linux BLACKHAT 3.13.8-200.fc20.x86_64 #1 SMP Tue Apr 1 03:35:46 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
┌─[02:34:25]─
└──> ~ $ >> yum list installed  | grep glibc
glibc.x86_64                    2.18-12.fc20        @updates                    
glibc-common.x86_64             2.18-12.fc20        @updates                    
glibc-devel.x86_64              2.18-12.fc20        @updates                    
glibc-headers.x86_64            2.18-12.fc20        @updates                    
┌─[02:34:25]─
└──> ~ $ >>

it happen sequential.and really blow up tixati.changed tixati to not reliable software(after 3 year using tixati this is really annoying)