sk0 problems

[Tomas Randa]

Hi,
 
i am using network card Marvell Semiconductor 88E1000 with sk driver on
FreeBSD 5.2.1 on two machines, but i have problem with it. 
When a high traffic is going through the interface (about 6-9MB/s), the
card stops working, no ping, no answer, no message in log. Sometimes
help do ifconfig sk0 down and up, but sometimes not.

skc0: <Marvell Gigabit Ethernet> port 0xb400-0xb4ff mem
0xfb020000-0xfb023fff irq 5 at device 9.0 on pci2
skc0: Reserved 0x4000 bytes for rid 0x10 type 3 at 0xfb020000
skc0: Yukon Gigabit Ethernet 10/100/1000Base-T Adapter
sk0: <Marvell Semiconductor, Inc. Yukon> on skc0


Is driver broken?

Thanks. 
-- 
Tomas Randa <lists at hosting50.cz>