From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <54C7A5E3.5060308@colgp.it> Date: Tue, 27 Jan 2015 15:51:15 +0100 From: Luca Galvagno MIME-Version: 1.0 References: <54C760BC.7040301@colgp.it> <54C76713.2010904@xenomai.org> <54C76931.9080905@colgp.it> <54C76BB0.8060304@xenomai.org> <54C772AB.7010909@colgp.it> <54C7756B.6030604@xenomai.org> In-Reply-To: <54C7756B.6030604@xenomai.org> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] Linux scheduling is hijacked from xenomai scheduling List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Philippe Gerum , xenomai@xenomai.org Hi Philippe, we tried Xenomai 2.6.4, Kernel 3.8.13 and Adeos patch ipipe-core-3.8.13-powerpc-2.patch with success, no freeze ! We are doing some regression tests on our app. Thanks for the support. Regards Luca Galvagno Automation Systems R&D Manager COL Giovanni Paolo S.P.A. Stabilimento Catania SP 14 n.93-95 95032 Piano Tavola, BELPASSO (CT) tel. +39 095 7133088 ext. 4231 tel. +39 338 6096953 e-mail: luca.galvagno@colgp.it Web: www.colgp.it On 27/01/2015 12:24, Philippe Gerum wrote: > On 01/27/2015 12:12 PM, Luca Galvagno wrote: >> Hi Philippe, >> we checked the kernel options you suggested and they are in line with >> what you said. >> When the system hangs we have the following log on console : >> >> [ 391.382182] Unable to handle kernel paging request for instruction fetch >> [ 391.462985] Faulting instruction address: 0x00000000 >> [ 391.522787] Oops: Kernel access of bad area, sig: 11 [#1] > Well, bad news this is a crash, the CPU is jumping to some NULL handler > it seems. You may want to enable CONFIG_KALLSYMS and > CONFIG_DEBUG_BUGVERBOSE to get a backtrace with symbols. > > CONFIG_DEBUG_INFO is desirable too when looking for routines in the > kernel assembly dump, and matching them to the source code. >