====== Debug SCTP NKE after kernel panic ======

# Create symbol file

  sudo kextutil -n -s . /System/Library/Extensions/SCTP.kext


# Check the panic log for the address of the NKE:

      Kernel Extensions in backtrace (with dependencies):
         org.sctp.kext.SCTP(6.1.1)@0x8536f000->0x85536fff


# In this case it's 0x8536f000 and enter it at the following prompt:

  Enter the hexadecimal load addresses for these extensions
  (press Return to skip symbol generation for an extension):
  
  org.sctp.kext.SCTP:


# Download the kernel debug kit from
# https://developer.apple.com/downloads/index.action
# and mount it

# Run GDB

  gdb /Volumes/KernelDebugKit/mach_kernel


# Load symbol file

  add-symbol-file org.sctp.kext.SCTP.sym


# Show code at address:

  list *<address>