Strange problems with Marvell 8686 sdio on AT91SAM9263

Hans J. Koch hjk at linutronix.de
Sun Jun 1 18:09:56 EDT 2008


On Fri, May 30, 2008 at 08:13:42PM +0200, Hans J. Koch wrote:
> Hi,
> I got a strange error report from a customer using libertas-sdio with a
> 8686 on an AT91SAM9263 platform. He tests with pings with different
> blocksizes. It works fine, but only up to a certain blocksize. With
> larger sizes, there's a TX timeout. After that timeout, it works again
> for smaller sizes.

Update: If he decreases the MTU from 1500 to 200, it works. Is this a
known behaviour?

Thanks,
hjk




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