On 2012-10-16 12:05, Michał Geszkiewicz wrote: > W dniu 16.10.2012 11:30, Jan Kiszka pisze: >> On 2012-10-16 10:40, Michał Geszkiewicz wrote: >>> Hello >>> >>> I'm adding rtnet support to linuxcnc. (kernel 2.6.38.8, rtai 3.9, rtnet >>> 0.9.13, linuxcnc 2.6.0) >>> rtnet is inited in init_module section (open, set timeout, connect) and >>> rest of transmition is done in rt task. >>> It's basically working but I can't get rid of one assertion: >>> >>> RTDM: assertion failed at >>> /home/toudi/realtime/rtai-3.9/addons/rtdm/../rtdm/rtdm_driver.h:574 >>> (CONTEXT_IS_LOCKED(context)) >>> >>> what I'm doing wrong? >> Hard to tell without a more precise trace of what is going on in your >> system. However, that assertion is not triggered by RTnet code but some >> other RTDM driver or some local patches of yours (there is no >> rtdm_context_lock in RTnet). >> >> Jan >> > There are no modifications in rtai or rtnet source code. This assertion > shows only after rt_dev_send/recv functions regardless of context > managing or not and if it's called from kernel context or rt context. > Linuxcnc is using single 1ms period rt task, and there is no context > managing in linuxcnc rt layer, so maybe this makes these assertions > along with rtnet layer.
Please provide a stack backtrace to the assertion (e.g. show_stack(NULL,NULL)). Maybe linuxcnc calls that RTDM service from somewhere (grep'ing for it may also be a good idea). And please do not drop the mailing list from CC. Jan
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