Ok. Needed to install strace first. Here it is. [bengan@ibanez:~] jamin -d jamin 0.9.0 (c) 2003 J. Depner, S. Harris, J. O'Quin, R. Parker and P. Shirkey This is free software, and you are welcome to redistribute it under certain conditions; see the file COPYING for details. Segmentation fault [bengan@ibanez:~] strace jamin <snip> gettimeofday({1108746773, 757413}, NULL) = 0 gettimeofday({1108746773, 759441}, NULL) = 0 gettimeofday({1108746773, 760783}, NULL) = 0 gettimeofday({1108746773, 761423}, NULL) = 0 write(4, "\1\0\0\0jamin:in_L\0\0`y\25\10\364\362\377\277I\212\205"..., 520) = 520 read(4, "\1\0\0\0jamin:in_L\0\0`y\25\10\364\362\377\277I\212\205"..., 520) = 520 write(4, "\1\0\0\0jamin:out_L\0`y\25\10\364\362\377\277I\212\205"..., 520) = 520 read(4, "\1\0\0\0jamin:out_L\0`y\25\10\364\362\377\277I\212\205"..., 520) = 520 write(4, "\1\0\0\0jamin:in_R\0\0`y\25\10\364\362\377\277I\212\205"..., 520) = 520 read(4, "\1\0\0\0jamin:in_R\0\0`y\25\10\364\362\377\277I\212\205"..., 520) = 520 write(4, "\1\0\0\0jamin:out_R\0`y\25\10\364\362\377\277I\212\205"..., 520) = 520 read(4, "\1\0\0\0jamin:out_R\0`y\25\10\364\362\377\277I\212\205"..., 520) = 520 getpid() = 16724 mlockall(MCL_CURRENT|MCL_FUTURE) = 0 sched_get_priority_max(SCHED_FIFO) = 99 sched_get_priority_min(SCHED_FIFO) = 1 pipe([6, 7]) = 0 clone(child_stack=0x8280858, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND) = 16725 write(7, "\0\0\0\0\5\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 148) = 148 rt_sigprocmask(SIG_SETMASK, NULL, [RTMIN], 8) = 0 write(7, "\2400\223\267\0\0\0\0\320\257\360\277@\374\220\267\210"..., 148) = 148 rt_sigprocmask(SIG_SETMASK, NULL, [RTMIN], 8) = 0 rt_sigsuspend([] <unfinished ...> --- SIGRTMIN (Unknown signal 32) @ 0 (0) --- <... rt_sigsuspend resumed> ) = -1 EINTR (Interrupted system call) sigreturn() = ? (mask now [RTMIN]) sched_getscheduler(0) = 0 (SCHED_OTHER) sched_getparam(0, { 0 }) = 0 sched_setscheduler(0, SCHED_FIFO, { 4 }) = 0 rt_sigprocmask(SIG_SETMASK, NULL, [RTMIN], 8) = 0 write(7, "\2400\223\267\0\0\0\0\240\245\360\277@\374\220\267\210"..., 148) = 148 rt_sigprocmask(SIG_SETMASK, NULL, [RTMIN], 8) = 0 rt_sigsuspend([] <unfinished ...> --- SIGRTMIN (Unknown signal 32) @ 0 (0) --- <... rt_sigsuspend resumed> ) = -1 EINTR (Interrupted system call) sigreturn() = ? (mask now [RTMIN]) sched_setscheduler(0, SCHED_OTHER, { 0 }) = 0 sched_getscheduler(16726) = 1 (SCHED_FIFO) sched_getparam(16726, { 4 }) = 0 kill(16726, SIGRTMIN) = 0 rt_sigprocmask(SIG_SETMASK, NULL, [RTMIN], 8) = 0 rt_sigsuspend([] <unfinished ...> --- SIGRTMIN (Unknown signal 32) @ 0 (0) --- <... rt_sigsuspend resumed> ) = -1 EINTR (Interrupted system call) sigreturn() = ? (mask now [RTMIN]) write(4, "\6\0\0\0\5\0\0\0n:out_R\0`y\25\10\364\362\377\277I\212"..., 520zombified - calling shutdown handler ) = 520 read(4, "\6\0\0\0\5\0\0\0n:out_R\0`y\25\10\364\362\377\277I\212"..., 520) = 520 --- SIGSEGV (Segmentation fault) @ 0 (0) --- +++ killed by SIGSEGV +++ /bengan