From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 08 Jul 2008 10:31:49 +0200 From: "Petr Cervenka" MIME-Version: 1.0 Message-ID: <200807081031.2687@domain.hid> References: 200807071745.31720@domain.hid> <200807071745.31720@domain.hid> <48723D5D.6020008@domain.hid> In-Reply-To: <48723D5D.6020008@domain.hid> Content-Type: text/plain; charset="windows-1250" Content-Transfer-Encoding: 8bit Subject: Re: [Xenomai-help] Kernel panic: not syncing List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: rpm@xenomai.org Cc: xenomai@xenomai.org >> Hello, >> I'm not sure if I'm not off topic. >> We use Linux 2.6.24 and Xenomai 2.4.1. Occasionally (once in few days) we get an kernel panic and I don't know If it's our fault or a problem of kernel/xenomai/adeos/configuration/hw/... >> If you have any questions, i'll try to answer them. Any help is welcome. > >It is an I-pipe issue, probably. We have to somewhat forge the register frame >passed to the Linux tick handler, since we may delay that call. Some register >values the profiling code attempts to dereference to find the preempted code may >be wrong in our case. > >Could you 1) send back a disassembly of the profile_tick routine in your kernel >image, then apply the following patch to check whether it improves the situation >as well? TIA, > ad 1) I would like to, but i don't know how to do it. If you have a simple guide or a link, I would be grateful. ad 2) I will apply the patch. But it will take days (or a week) before I could tell, if it helped or not. Petr