[Ltib] Problems with GianFAR driver

[Marcos Cunha]

Hi,

Anyone had problems with overrun in gianfar driver?

My board have two ethernet interfaces (1 GBe  and 1 Fast Ethernet), 
when  I execute a iperf app to generate high throughput data the linux 
shows some overrun error and interface eth1 stops.

The linux tried to stop and restart the hardware, but it isn't 
sufficient and the below messages appear.

NETDEV WATCHDOG: eth1: transmit timeout
NETDEV WATCHDOG: eth1: transmit timeout
NETDEV WATCHDOG: eth1: transmit timeout

When I execute "ifconfig eth1 down" and "ifconfig eth1 up", the 
interface come back to live.

My system configurations:
Processor: MPC8315e
Kernel Version: 2.6.24

Thanks in advance,

Marcos Cunha