I enabled debug in log and found this in the log file [13-Sep-2011 17:03:19.966801] DEBUG: pid 16974, fpm_got_signal(), line 76: received SIGCHLD [13-Sep-2011 17:03:19.966832] WARNING: pid 16974, fpm_children_bury(), line 252: [pool www] child 16992 exited on signal 11 (SIGSEGV) after 58.213448 seconds from start [13-Sep-2011 17:03:19.967678] NOTICE: pid 16974, fpm_children_make(), line 404: [pool www] child 16996 started Anyone can suggest me to fix this. On Tue, Sep 13, 2011 at 5:41 PM, linuxsupport <lin.support@xxxxxxxxx> wrote: > Could you please tell me how to use GDB here? > > On Tue, Sep 13, 2011 at 4:07 PM, Negin Nickparsa <nickparsa@xxxxxxxxx>wrote: > >> use gdb >> > >