Leopold Palomo-Avellaneda wrote: > A Dimarts 15 Maig 2007 11:58, Jan Kiszka va escriure: > [....] >>>>> The idea is the sequent: >>>>> >>>>> I run a program that open a rt socket. For any reason, mainly because >>>>> the programmer is a rocky (as me) the program crash, or simple killed >>>>> by the user (crtl + c). >>>>> >>>>> Then I got a message: >>>>> >>>>> kernel: Assertion >>>>> failed! /root/rtnet-0.9.8/stack/ipv4/udp.c:rt_udp_recvmsg:398 skb >>>>> kernel: LXRT releases PID 12483 (ID: simpleserver). >>>> Are you sure you are _actually_ running the updated RTAI binaries? I'm >>>> asking for a good reason because I used to spend hours debugging ghost >>>> issues due to inconsistent builds... >>> well, I downloaded this file: >>> >>> https://www.rtai.org/RTAI/rtai-3.5.tar.bz2 >> I do believe you. My point is if you checked twice that the modules >> generated from those sources are actually those you loaded on your box. > > ok, I understand. I'm creating deb packages of rtai, so I'm uninstall and > install the packages. I think that the modules are that. > > [...] >>> where? >> --- stack/ipv4/udp.c (Revision 1121) >> +++ stack/ipv4/udp.c (Arbeitskopie) >> @@ -396,6 +396,7 @@ ssize_t rt_udp_recvmsg(struct rtdm_dev_c >> } >> >> skb = rtskb_dequeue_chain(&sock->incoming); >> + if (!skb) ipipe_trace_freeze(0); >> RTNET_ASSERT(skb != NULL, return -EFAULT;); >> >> uh = skb->h.uh; >> > > applied, compiled, installed but .... > > RTnet: initialising real-time networking > rtipv4: Unknown symbol ipipe_trace_freeze
That's where my original explanations come in play again. Alternatively: http://www.xenomai.org/index.php/I-pipe:Tracer Jan
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