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Re: [Ltib] Problems with GianFAR driver
From: |
Stuart Hughes |
Subject: |
Re: [Ltib] Problems with GianFAR driver |
Date: |
Mon, 26 Apr 2010 09:21:57 +0100 |
User-agent: |
Thunderbird 2.0.0.16 (X11/20080707) |
Hi Marcos,
This is likely a kernel issue. You may be able to get help on the
kernel powerpc mailing list or directly from Freescale support.
Regards, Stuart
Marcos Cunha wrote:
> 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
>