Tvheadend

hi

just installed tvheadend 3.2.18 on my intel core 2 duo with 4 gb ram and hauppauge hvr-900H. but i get the following crash after a while. what does it mean?
i am running ubuntu server 12.04 with kernel 3.2.x

apr 03 15:37:49 [ALERT]:CRASH: Signal: 6 in PRG: tvheadend (3.2.18~g40a8920) [39dbed93e60e160bab5fe8bc58aa8b11d96654ab] CWD: /home/robert
apr 03 15:37:49 [ALERT]:CRASH: Fault address 0x9af (N/A)
apr 03 15:37:49 [ALERT]:CRASH: Loaded libraries: /lib/i386-linux-gnu/libcrypto.so.1.0.0 /lib/i386-linux-gnu/libz.so.1 /lib/i386-linux-gnu/librt.so.1 /lib/i386-linux-gnu/libdl.so.2 /lib/i386-linux-gnu/libpthread.so.0 /lib/i386-linux-gnu/libc.so.6 /lib/ld-linux.so.2
apr 03 15:37:49 [ALERT]:CRASH: Register dump [19]: 00000033 c15a0000 ffff007b 0000007b b74f3ff4 00000000 b6148298 b6148044 000009af 00000006 000009b3 00000000 00000000 00000000 b76f1424 00000073 00200206 b6148044 0000007b
apr 03 15:37:49 [ALERT]:CRASH: STACKTRACE
apr 03 15:37:49 [ALERT]:CRASH: /mnt/xtend/tvheadend-3.2.18/src/trap.c:139 0x806c982
apr 03 15:37:49 [ALERT]:CRASH: __kernel_rt_sigreturn+0x0 ()
apr 03 15:37:49 [ALERT]:CRASH: __kernel_vsyscall+0x10 ()
apr 03 15:37:49 [ALERT]:CRASH: gsignal+0x4f (/lib/i386-linux-gnu/libc.so.6)
apr 03 15:37:49 [ALERT]:CRASH: abort+0x175 (/lib/i386-linux-gnu/libc.so.6)
apr 03 15:37:49 [ALERT]:CRASH: ??:0 0xb7375085
apr 03 15:37:49 [ALERT]:CRASH: ??:0 0xb7375137
apr 03 15:37:49 [ALERT]:CRASH: /mnt/xtend/tvheadend-3.2.18/src/dvb/dvb_tables.c:94 0x808fea9
apr 03 15:37:49 [ALERT]:CRASH: /mnt/xtend/tvheadend-3.2.18/src/dvb/dvb_tables.c:227 0x8090208
apr 03 15:37:49 [ALERT]:CRASH: ??:0 0xb74fed4c
apr 03 15:37:49 [ALERT]:CRASH: clone+0x5e (/lib/i386-linux-gnu/libc.so.6)