On 12/05/2010 01:00 AM, Michal Sojka wrote: > Hi Oliver and others, > > I'm experiencing strange kernel panics with CAN gateway running on > MPC5200. The panic happens with 2.6.36.1 where I manually added gw.c and > hw.h from subversion. It also happens with 2.6.33.7 where the whole > socketcan was copied from SVN. Interestingly, it does not occur with > 2.6.33.7-rt29 (rt_preempt) with the same socketcan from svn. The details > are bellow. This is 100% reproducible and the gateway configuration is > "cangw -A -s can0 -d can1". Do you have any clue what can be the cause > of the panic?
Maybe it's a locking problem. With RT the whole locking stuff is changed in the background. Use the 2.6.36 kernel go to the kernel hacking menu and switch on all the lock checking stuff, then try to reproduce the problem. Cheers, Marc -- 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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