StacktraceTop: __assert_fail_base (fmt=0x7f01ec4c98b0 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x4039f8 "mir_connection_is_valid(connection)", file=file@entry=0x403908 "/build/buildd/mir-0.6.1+14.10.20140814/examples/scroll.cpp", line=line@entry=141, function=function@entry=0x403b80 <main::__PRETTY_FUNCTION__> "int main(int, char**)") at assert.c:92 __GI___assert_fail (assertion=0x4039f8 "mir_connection_is_valid(connection)", file=0x403908 "/build/buildd/mir-0.6.1+14.10.20140814/examples/scroll.cpp", line=141, function=0x403b80 <main::__PRETTY_FUNCTION__> "int main(int, char**)") at assert.c:101 main (argc=<optimized out>, argv=0x7fff46206488) at /build/buildd/mir-0.6.1+14.10.20140814/examples/scroll.cpp:141
StacktraceTop: assertion@ entry=0x4039f8 "mir_connection _is_valid( connection) ", file=file@ entry=0x403908 "/build/ buildd/ mir-0.6. 1+14.10. 20140814/ examples/ scroll. cpp", line=line@ entry=141, function= function@ entry=0x403b80 <main:: __PRETTY_ FUNCTION_ _> "int main(int, char**)") at assert.c:92 _is_valid( connection) ", file=0x403908 "/build/ buildd/ mir-0.6. 1+14.10. 20140814/ examples/ scroll. cpp", line=141, function=0x403b80 <main:: __PRETTY_ FUNCTION_ _> "int main(int, char**)") at assert.c:101 6488) at /build/ buildd/ mir-0.6. 1+14.10. 20140814/ examples/ scroll. cpp:141
__assert_fail_base (fmt=0x7f01ec4c98b0 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=
__GI___assert_fail (assertion=0x4039f8 "mir_connection
main (argc=<optimized out>, argv=0x7fff4620