On 05/18/2011 02:16 PM, Mark Slicker wrote: > Hello, > > I recently upgraded my kernel from linux 2.6.27 to linux 2.6.38.3, > this is compiled for an atmel at91sam9263-ek board. Before I had > compiled SocketCAN separately and loaded it as a kernel module, and > with the new linux it is built into the kernel. Before I had no > problems with the SocketCAN, but now the drivers appears to be > accumulating only errors, if I check the interface with ifconfig I see > several thousands of errors on the tx and rx queues, even when nothing > is sent or received. I need the new kernerl because an application I > have uses the netlink interface to set can parameters. Just wondering > where I should start to try to debug this problem.
Check your cabling, don't start that application. Use the ip utility or canconfig[1] to set your bitrate. Then send a single frame from one station to another. cheers, Marc [1] http://www.pengutronix.de/software/libsocketcan/download/libsocketcan-0.0.8.tar.bz2 + http://www.pengutronix.de/software/socket-can/download/canutils/v4.0/canutils-4.0.6.tar.bz2 -- Pengutronix e.K. | Marc Kleine-Budde | Industrial Linux Solutions | Phone: +49-231-2826-924 | Vertretung West/Dortmund | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de |
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