From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <45894179.8060805@domain.hid> Date: Wed, 20 Dec 2006 14:58:17 +0100 From: Jan Kiszka MIME-Version: 1.0 References: <4587E404.2050101@domain.hid> <4587B287.2060603@domain.hid> <358035.1166518774710.JavaMail.ngmail@domain.hid> <4587A2D4.3020102@domain.hid> <45879DE5.5080507@domain.hid> <7145056.1166514841031.JavaMail.ngmail@domain.hid> <4970132.1166516081275.JavaMail.ngmail@domain.hid> <2579704.1166520394117.JavaMail.ngmail@domain.hid> <4383100.1166529856857.JavaMail.ngmail@domain.hid> <13529671.1166621136153.JavaMail.ngmail@domain.hid> In-Reply-To: <13529671.1166621136153.JavaMail.ngmail@domain.hid> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig8E16F65FB8E6DFD7F57A7946" Sender: jan.kiszka@domain.hid Subject: [Xenomai-help] Re: A fairly small rtnet/Xenomai application that freezes the PC List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "M. Koehrer" Cc: xenomai@xenomai.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig8E16F65FB8E6DFD7F57A7946 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable M. Koehrer wrote: > Hi Jan and Gilles, >=20 > after a long debug-reboot-try-again-session I was able to reduce the pr= oblem I had > to a very short application that leads to a complete system freeze on a= 2.6.19.1 kernel. > As with my PC I am not able to run the NMI stuff within Xenomai, I forw= ard the application to you > and the list. Perhaps somebody can try out the enclosed application wit= h the latest Xenomai version > on 2.6.19.1. Thanks for the test case, I will give this a try ASAP. > Please adjust the IP settings in the C file and in the xenorun script t= o your setup. > It is sufficient to send out UDP frames, if the remote device does not = answer this does not hurt. > However the remote device should listen on a specified port to avoid IC= MP complains about > no-opened UDP ports... > Using Ethereal I monitored the traffic. > Here is the summary of it: > ARP request/response (from the xenorun script) > ARP request/response (from the applicaion) > UDP message to port 18765 (no answer) > 2 seconds later: UDP message to port 18765 (no answer) > 2+5=3D7 seconds later: ARP request/response (from the application) > 2 seconds later: UDP message to port 18765 > Here the system freezes. I do not see the message "Step A". Could you set me the Ethereal dump for reference? Just in case the test does not kick immediately for me and I need to check the event flow. >=20 > One important piece is the system() call out of the realtime applicatio= n to do a rtroute. > When I remove this call, there is no error... >=20 >=20 > I am using Xenomai SVN #1969 and the included 2.6.19.1 patch. Pentium 4= UP. Do you have a different (slower) execution platform at hand to check if the CPU speed as influence on the lock-up? I hope it is not the case - makes tracking easier. But it wouldn't be the first time. >=20 > Any feedback on this is highly welcome! >=20 You will get it. Thanks again, Jan --------------enig8E16F65FB8E6DFD7F57A7946 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFFiUF5niDOoMHTA+kRAj+pAJ9gEUI6BMdQ9jTAlzIbE8by/eCHfACcDI/S qhzpjWubB3GGugUdck3gPZM= =1dFB -----END PGP SIGNATURE----- --------------enig8E16F65FB8E6DFD7F57A7946--