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Date:	Wed, 28 Jul 2010 10:17:48 +0200
From:	Wolfgang Grandegger <>
To:	Matthias Fuchs <>
CC:	Linux Netdev List <>,
Subject: Re: can: expected receive behavior broken

On 07/28/2010 09:56 AM, Matthias Fuchs wrote:
> Hi,
> I just noticed that the receive behavior of CAN sockets is broken
> in current net-next-2.6.
> I wrote some simple code that receives messages and echos them back to
> the bus. When I now trigger one single message on the bus, I get
> this message received and echoed back in an endless loop.
> I do not touch the sockopts CAN_RAW_LOOPBACK or CAN_RAW_RECV_OWN_MSGS in my code.
> Only (!) setting CAN_RAW_LOOPBACK to 0 helps at the moment. But this behavior
> actually has nothing to do with LOOPBACK but more with RECV_OWN_MSGS.

Sounds wired! What driver are you using?


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