Hi,

what happened to this?

I observed this behavior with Socket-CAN SVN r1091 on 2.6.30 kernels.

Matthias

On Saturday 20 June 2009 14:42, Oliver Hartkopp wrote:
> Oliver Hartkopp wrote:
> > Michel Marti wrote:
> > 
> >> I recently updated my Kernel from 2.6.26 to 2.6.30 and since then, CAN 
> >> frames sent over
> >> the virtual CAN device (vcan) get looped back to the sender of the frame, 
> >> as if the
> >> CAN_RAW_RECV_OWN_MSGS socket option was enabled (it isn't). Socketcan from 
> >> SVN-trunk shows
> >> the same behaviour... Am I missing something or is this a bug?
> > 
> > I'll take a look at it.
> > 
> > Stay tuned :-)
> 
> Hi Michel,
> 
> the needed sk reference for omitting the own received messages is killed by a
> new skb_orphan() call in net/core/dev.c introduced in
> 
> http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.30.y.git;a=commitdiff;h=9a279bcbe347496799711155ed41a89bc40f79c5
> 
> So it first occurs in 2.6.30.
> 
> Thanks for pointing me to this issue!
> 
> I'll try to get some feedback from Herbert Xu about this and how we can solve
> these kinds of problems in the future.
> 
> Additionally i'll create some test-application for LTP to be sure that kernel
> changes do not kill established CAN functionalities.
> 
> Regards,
> Oliver
> 
> _______________________________________________
> Socketcan-users mailing list
> [email protected]
> https://lists.berlios.de/mailman/listinfo/socketcan-users
> 
> 

-- 
-------------------------------------------------------------------------
Dipl.-Ing. Matthias Fuchs
Head of System Design

esd electronic system design gmbh
Vahrenwalder Str. 207 - 30165 Hannover - GERMANY
Phone: +49-511-37298-0 - Fax: +49-511-37298-68
Please visit our homepage http://www.esd.eu
Quality Products - Made in Germany
-------------------------------------------------------------------------
Geschäftsführer: Klaus Detering, Dr. Werner Schulze
Amtsgericht Hannover HRB 51373 - VAT-ID DE 115672832
-------------------------------------------------------------------------
_______________________________________________
Socketcan-users mailing list
[email protected]
https://lists.berlios.de/mailman/listinfo/socketcan-users

Reply via email to