Crashed and caused the signal 11 (SIGSEGV)

Hvad det så betyder, ved jeg ikke - men her er en "Backtrace/Core-fil" fra programmet:

(no debugging symbols found)...[New Thread 1024 (LWP 2390)]
0x40e37409 in wait4 () from /lib/libc.so.6
#0  0x40e37409 in wait4 () from /lib/libc.so.6
#1  0x40eb698c in __check_rhosts_file () from /lib/libc.so.6
#2  0x405cc98e in KCrash::defaultCrashHandler () from /usr/lib/libkdecore.so.3

#3  0x410865bb in pthread_sighandler (signo=11, ctx=

      {gs = 0, __gsh = 0, fs = 0, __fsh = 0, es = 43, __esh = 0, ds = 43, __dsh = 0, edi = 135168984, esi = 0, ebp = 3221221208, esp = 3221221184, ebx = 1089169804, edx = 135169051, ecx = 0, eax = 0, trapno = 14, err = 4, eip = 1088432954, cs = 35, __csh = 0, eflags = 66066, esp_at_signal = 3221221184, ss = 43, __ssh = 0, fpstate = 0xbfffecc0, oldmask = 2147483648, cr2 = 0}) at signals.c:97

#4  0x40daa478 in killpg () from /lib/libc.so.6
#5  0x0805831e in QWidget::paintEvent ()
#6  0x62333139 in ?? ()

hmm....
#1  0x40eb698c in __check_rhosts_file () from /lib/libc.so.6 << noget med din rhosts?

...hvad er det og hvor tjekker jeg det?

Lukker