Hello ,
this is message i got in kernel message but i don't know when this happen I was tried to reproducate it but failed that why create thread lately but you will able to undersntad better
I have syslog server configure
2013:01:19-17:02:48 acenn kernel: [ 8728.564407] ulogd[4821]: segfault at c ip 00000000f7517dbb sp 00000000f74502b0 error 4 in ulogd_inpflow_NFCT.so[f7514000+6000]
which other logs will help to diagnose
thanks