I am using Xenomai 2.6.0. We wish to run Xenomai on two different target 
boards, one uses the Freescale MPC8378 CPU,
which is powerpc, the other uses the Freescale MX35 which is arm11. This is for 
real products that are under development, 
so there are some factors that affect our choices. For instance, to simplify 
maintenance of these cards for many 
years to come, we want to use the same kernel version on the MPC8378 as we do 
on the MX35. For this reason, we 
chose to use kernel 3.0.13, because there are Adeos patches against kernel 
3.0.13 for both arm and powerpc. However, 
I know that the Adeos patches and kernel 3.0.13 are not really supported by 
Xenomai 2.6.0 because they are only in the 
Git tree and not in the official tarball download. Nonetheless, the powerpc 
target has been running with no problem 
for some time now, and the card is actually in product verification now, which 
means that testing has not discovered 
any problems with Xenomai 2.6.0 on that target. I am now attempting bring 
Xenomai up on the mx35 card.

I am using the adeos patch adeos-ipipe-3.0.13-arm-1.18.08.patch. I tried 
following the README for the MXC, but the 
Freescale IMX git has no tag rel_imx_3.0.15_12.03.00. The denx tree has the 
tag, but the mxc patches as described in 
the README do not apply without errors. Even after fixing the patch rejects, I 
ended up with compilation errors, so I 
lost confidence in that approach. So, I applied the 
adeos-ipipe-3.0.13-arm-1.18.08.patch to the kernel.org 3.0.13 
kernel, without the pre and post patches, which went without error. The kernel 
boots, and many things work, but the 
FEC Ethernet is broken with an MDIO read timeout. 

I would like to debug this issue and provide whatever fixes back to the 
community. I don't really know where to 
start. I am looking for some guidance on what I should do to debug the issue.

Cheers,

Chris Stone
Embedded Linux Architect
Optelian
1 Brewer Hunt Way
Ottawa, Ontario K2K 2B5

Phone: 613-287-2000 x2106

www.optelian.com


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