NX3031 gigabit ethernet interface goes down with error "Failed to destroy tx ctx in firmware"

Issue

• The system is not responding, the following entries can be found in /var/log/messages:

> kernel: NETDEV WATCHDOG: eth1: transmit timed out  
> kernel: eth1: transmit timeout, resetting.  
> kernel: netxen_nic: failed card response code:0x6  
> kernel: Failed to create tx ctx in firmware6  
> kernel: netxen_nic: failed card response code:0xc  
> kernel: netxen_nic: Failed to destroy tx ctx in firmware  
> kernel: eth1: Error in setting hw resources  
> firmware\_helper[30336]: Loading of /lib/firmware/phanfw.bin for netxen\_nic driver failed: No such file or directory  
> firmware\_helper[30340]: Loading of /lib/firmware/nx3fwct.bin for netxen\_nic driver failed: No such file or directory  
> kernel: netxen_nic 0000:04:00.0: using 64-bit dma mask  
> kernel: netxen_nic: NX3031 Gigabit Ethernet Board S/N ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿNX3031 Gigabit Ethernet  Chip rev 0x42  
> kernel: netxen_nic 0000:04:00.0: firmware v4.0.530 [legacy]  
> kernel: netxen_nic 0000:04:00.1: using 64-bit dma mask  
> kernel: netxen_nic 0000:04:00.1: firmware v4.0.530 [legacy]  
> kernel: netxen_nic 0000:04:00.2: using 64-bit dma mask  
> kernel: netxen_nic 0000:04:00.2: firmware v4.0.530 [legacy]  
> kernel: netxen_nic 0000:04:00.3: using 64-bit dma mask  
> kernel: netxen_nic 0000:04:00.3: firmware v4.0.530 [legacy]  
> kernel: netxen_nic: failed card response code:0x6  
> kernel: Failed to create tx ctx in firmware6  
> kernel: netxen_nic: failed card response code:0xc  
> kernel: netxen_nic: Failed to destroy tx ctx in firmware  
> kernel: eth1: Error in setting hw resources