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From: Matthias Fuchs <matthias.fuchs-iOnpLzIbIdM@public.gmane.org>
To: Wolfgang Grandegger <wg-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
Cc: Socketcan-core-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org,
	Linux Netdev List
	<netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: can: expected receive behavior broken
Date: Wed, 28 Jul 2010 10:23:24 +0200	[thread overview]
Message-ID: <201007281023.25039.matthias.fuchs@esd.eu> (raw)
In-Reply-To: <4C4FE7AC.4010806-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>

plx_pci/sja1000 + esd_usb2

Should be easy to reproduce.

Matthias

On Wednesday 28 July 2010 10:17, Wolfgang Grandegger wrote:
> 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?
> 
> Wolfgang.
> 
> 
> 

  parent reply	other threads:[~2010-07-28  8:23 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-28  7:56 can: expected receive behavior broken Matthias Fuchs
     [not found] ` <201007280956.38957.matthias.fuchs-iOnpLzIbIdM@public.gmane.org>
2010-07-28  8:17   ` Wolfgang Grandegger
     [not found]     ` <4C4FE7AC.4010806-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2010-07-28  8:23       ` Matthias Fuchs [this message]
     [not found]         ` <201007281023.25039.matthias.fuchs-iOnpLzIbIdM@public.gmane.org>
2010-07-29  9:36           ` Oliver Hartkopp
     [not found]             ` <4C514BAE.4070201-fJ+pQTUTwRTk1uMJSBkQmQ@public.gmane.org>
2010-07-29 11:16               ` Oliver Hartkopp

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