core 'core' of 26521:   bin/postconf -d -h daemon_directory
 00023314 percentm (308d9, 0, 0, 0, 0, 0) + f4
 00022848 msg_vprintf (4, 308d8, ffbffa20, 0, 0, 45000) + 2c
 0002272c msg_panic (308d8, 308c8, 0, 0, 0, 0) + 38
 00022d84 myrealloc (ffbffd6c, 113e44, 0, 0, 0, 0) + 5c
 000227b8 msg_output (22abc, 0, 0, 0, 0, 44c00) + 3c
 00022b7c msg_vstream_init (ffbffd6c, 44f90, ff179000, ff179fc4, ff3a2000, ff3a2000) + 2c
 0001964c main     (4, ffbffc84, ffbffc98, 457fc, ff3a0140, ff3a0180) + 70
 000182f4 _start   (0, 0, 0, 0, 0, 0) + 5c

root@netrat1:~/DTraceToolkit-0.96# ./errinfo
            EXEC          SYSCALL  ERR  DESC
            nscd         lwp_park   62  timer expired
         postmap             open    2  No such file or directory
         postmap             stat    2  No such file or directory
         postmap             stat    2  No such file or directory
         postmap             stat    2  No such file or directory
         postmap             stat    2  No such file or directory
            bash          setpgrp   13  Permission denied

root@netrat1:/usr/postfix-2.4-20060903# mdb ./bin/postconf core
Loading modules: [ libc.so.1 ld.so.1 ]
> 1::findstack -v
stack pointer for thread 1: ffbff880
[ ffbff880 percentm+0xf4() ]
  ffbff8f0 msg_vprintf+0x2c(4, 359d0, ffbffa18, 0, 0, 4a800)
  ffbff960 msg_panic+0x38(359d0, 359c0, 0, 0, 0, 0)
  ffbff9d0 myrealloc+0x78(ffbffd60, 12a7e4, 0, 0, 0, 0)
  ffbffa40 msg_output+0x3c(25af0, 0, 0, 0, 0, 4a800)
  ffbffab0 msg_vstream_init+0x2c(ffbffd60, 4a9f8, fef79000, fef79fc4, ff3a2000, ff3a2000)
  ffbffb20 main+0x74(4, ffbffc7c, ffbffc90, 4b2d8, ff3a0140, ff3a0180)
  ffbffc18 _start+0x5c(0, 0, 0, 0, 0, 0)