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DM6446 packet loss

Hi

My customer has following problem:

We are seeing an unexpected behavior on Ethernet streaming on a DM6446 based product. (around 0.2% UDP packet loss).

This is a new issue and was not present on initial products. One difference is that product is currently using Micrel PHY KNL8041 step A4 instead of step A3.

I have checked difference between both parts, and my feeling is that the root cause is in the driver (EMAC layer) at DM6446 side.

 

Distribution version used (answer to query cat /proc/version )

- Linux version 2.6.10_mvl401-davinci_vce (root@build3_linux) (gcc version 3.4.3 (MontaVista 3.4.3-25.0.70.0501961 2005-12-18)) #1 Fri Nov 27 14:23:18 CET 2009

 

Are there know issues/patch that need to be applied to fix this thing?

TIA.

Regards, Vincent