Eth1 init and link status

Josh Boyer jwboyer at linux.vnet.ibm.com
Thu Sep 20 00:02:08 EST 2007


On Wed, 19 Sep 2007 13:54:35 +0000
"- Reyneke" <reynekejunk at hotmail.com> wrote:

> HI,
> 
> We've run into a bit of an odd problem and we are not sure where to go and 
> look for the cause.
> 
> We have some 440EPx based hardware with two GIG-Ethernet ports using RGMII 
> and 2x ET1011C PHY's. Problem is that eth1 will only initialise correctly 
> (i.e. receive and transmit) if eth0 has a link. Eth0 always work OK, 
> regardless of eth1 status. Eth1 will work OK if eth0 has a link (i.e. 
> initialised) at time of setup. Once initialised, eth0 status is irrelevant. 
> All this is during Linux boot process.
> 
> Any ideas?
> 
> We can access PHY registers via u-boot (mii commands). Same 1Gig link speed 
> is used on both ports. Linux kernel is 2.6.19.

Where did you get your kernel from?  2.6.19 doesn't have any 440EPx
support in it.  Maybe you should ask your vendor.

josh


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