Driver version and driver settings. And all other network items installed on your PC...I have the same Marvell NIC and it works flawlessly with 1.22 b05
Driver version 10.51.1.9
Driver Settings:
Energy Star: Enabled
Flow Control: Tx&Rx Enabled
Interrupt Moderation: Enabled
IPv4 Checksum Offload: Rx Enabled
Jumbo Packet: 1514 Bytes
Large Send Offload (IPv4): Enabled
Max IRQ per Sec: 5000
Network Address: Not Present
Priority & VLAN: Priority & VLAN Enabled
Receive Buffers: 256
Speed & Duplex: Auto-Negotiation
TCP Checksum Offload (IPv4): Tx&Rx Enabled
Transmit Buffers: 256
UDP Checksum Offload (IPv4): Tx&Rx Enabled