Problem with PPC 440 GX Transmit Path

Eugene Surovegin ebs at ebshome.net
Fri Oct 22 03:49:23 EST 2004


On Thu, Oct 21, 2004 at 03:20:55PM +0100, linuxppc wrote:
> I have found a problem with the driver for the PPC440GX (ibm_emac), while
> reading from the PPC (OCOTEA) BOX doesn't always transmit the last packet, I
> have managed to get it to continue by pinging it or from it, or if the root
> filesystem is mounted as nfs (I am assuming communications using nfs use a
> keepalive test or equivalent). I have also found that by turning on the
> debug options in ibm_emac_core.c (PKT_DEBUG) fixes the problem!! I have
> removed all but one of the debug messages and as long as they are in the tx
> functions (not the rx functions) I have no problems. Any help or guidance
> will be appreciated, for now I am going to try and implement gdb.....

Which kernel version you are using?

--
Eugene



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