Superloop 11.0sp1 DHCP Crashes

I am running the superloop simple socket server 3c120 example for 11.0sp1 on a custom board. It works fine with DHCP disabled but with DHCP enabled (*use_dhcp = 1), the entire program crashes at that point. It doesn't time out; it completely dies.

bash-3.1$ nios2-terminal
nios2-terminal: connected to hardware target using JTAG UART on cable
nios2-terminal: "USB-Blaster ", device 1, instance 0
nios2-terminal: (Use the IDE stop button or Ctrl-C to terminate)
Superloop Program Starting...
calling netmain_init()
InterNiche Portable TCP/IP, v3.1
Copyright 1996-2008 by InterNiche Technologies. All rights reserved.
prep_tse_mac 0
Your Ethernet MAC address is 00:07:ed:01:23:45
prepped 1 interface, initializing...
INFO    : TSE MAC 0 found at address 0x10000000
INFO    : PHY Marvell 88E1111 found at PHY address 0x12 of MAC Group
INFO    : PHY - Automatically mapped to tse_mac_device
INFO    : PHY - Restart Auto-Negotiation, checking PHY link...
INFO    : PHY - Auto-Negotiation PASSED
MARVELL : Mode changed to RGMII/Modified MII to Copper mode
MARVELL : Enable RGMII Timing Control
MARVELL : PHY reset
INFO    : PHY - Checking link...
INFO    : PHY - Link not yet established, restart auto-negotiation...
INFO    : PHY - Restart Auto-Negotiation, checking PHY link...
INFO    : PHY - Auto-Negotiation PASSED
INFO    : PHY - Link established
INFO    : PHY - Speed = 1000, Duplex = Full
OK, x=0, CMD_CONFIG=0x00000000
MAC post-initialization: CMD_CONFIG=0x0400020b
 RX descriptor chain desc (1 depth) created
mctest init called
IP address of et1 : 0.0.0.0
nios2-terminal: exiting due to I/O error communicating with target