Goodday All, Could anyone help with this problem. I have socketcan built as part of my kernel 2.6.34 configuration using MCP251x driver (mainline). The receive works perfectly using my own application and candump.
When transmitting both my own application and cansend fail with 'no buffer space' errors. Using a CAN bus monitor I never see any activity when I transmit. So I guess something is stopping the transmitted frame getting beyond the socket buffer, hence the error. Using the same hardware with my previous image, kernel 2.6.30 using out of kernel (svn) socketcan everything works. Using vcan instead of real hardware everything thing works OK. I did a trawl of the net before posting and found a similar thread in the socketcan-core forum but there was no conclusion. Cheers Mike.
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