just grabbed 1.4.12 from the site and built from source. solaris 2.7, all recommended sun patches installed. here's what happens: lwp_create(0xFFBEF598, LWP_DETACHED|LWP_SUSPENDED, 0xFF105DFC) = 3 lwp_continue(3) = 0 lwp_create() (returning as new lwp ...) = 0 lwp_schedctl(SC_STATE|SC_BLOCK, -1, 0xFF105CFC) = 0 lwp_schedctl(SC_DOOR, 0, 0x00000000) = 4 door_bind(4) = 0 close(4) = 0 close(3) = 0 sigaction(SIGWAITING, 0xFF13D7F8, 0x00000000) = 0 lwp_self() = 1 Incurred fault #6, FLTBOUNDS %pc = 0x81C7E008 siginfo: SIGSEGV SEGV_MAPERR addr=0x81C7E008 Received signal #11, SIGSEGV [caught] siginfo: SIGSEGV SEGV_MAPERR addr=0x81C7E008 sysconfig(_CONFIG_SIGRT_MIN) = 38 sigprocmask(SIG_SETMASK, 0xFF13D9A8, 0x00000000) = 0 sigaction(SIGSEGV, 0xFFBEF6D0, 0x00000000) = 0 sigprocmask(SIG_SETMASK, 0xFF1496D8, 0x00000000) = 0 sysconfig(_CONFIG_SIGRT_MIN) = 38 setcontext(0xFFBEF888) Incurred fault #6, FLTBOUNDS %pc = 0x81C7E008 siginfo: SIGSEGV SEGV_MAPERR addr=0x81C7E008 Received signal #11, SIGSEGV [default] siginfo: SIGSEGV SEGV_MAPERR addr=0x81C7E008 *** process killed *** # sotruss /usr/local/sbin/syslog-ng -d syslog-ng -> libc.so.1:*atexit(0xff3babf8, 0x0, 0x0) syslog-ng -> libc.so.1:*atexit(0x1f364, 0xff3babf8, 0xff0b8048) syslog-ng -> libc.so.1:*malloc(0x3c, 0x71239160, 0x0) syslog-ng -> libc_psr.so.1:*memset(0x35a30, 0x0, 0x30) syslog-ng -> libc_psr.so.1:*memcpy(0xffbefb30, 0x334d4, 0x70) syslog-ng -> libc.so.1:*getenv(0x22538, 0x34800, 0x1) syslog-ng -> libc.so.1:*strcmp(0xffbefd2e, 0x226f8, 0x2) /usr/bin/sotruss[86]: 29449 Segmentation Fault(coredump)