Description of problem:
1) start workrave

Version-Release number of selected component:
workrave-1.10.16-1.fc25

Additional info:
reporter:       libreport-2.8.0
backtrace_rating: 3
cmdline:        workrave
executable:     /usr/bin/workrave
global_pid:     7543
kernel:         4.8.10-300.fc25.x86_64
pkg_fingerprint: 4089 D8F2 FDB1 9C98
pkg_vendor:     Fedora Project
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 ??
 #1 XQueryExtension at QuExt.c:43
 #2 XInitExtension at InitExt.c:47
 #3 XextAddDisplay at extutil.c:110
 #4 XScreenSaverQueryExtension at XScrnSaver.c:158
 #5 XScreenSaverMonitor::init at XScreenSaverMonitor.cc:71
 #6 UnixInputMonitorFactory::get_monitor at UnixInputMonitorFactory.cc:107
 #7 ActivityMonitor::ActivityMonitor at ActivityMonitor.cc:76
 #8 Core::init_monitor at Core.cc:286
 #9 Core::init at Core.cc:171

Potential duplicate: bug 1354272