From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [Xenomai-help] Kernel panic with Xenomai SMP kernel From: Philippe Gerum In-Reply-To: <17655.28122.163232.842311@domain.hid> References: <44F6E774.2000701@domain.hid> <44F72F35.4070109@domain.hid> <44F75C54.90608@domain.hid> <17655.28122.163232.842311@domain.hid> Content-Type: text/plain Date: Fri, 01 Sep 2006 09:26:15 +0200 Message-Id: <1157095575.4322.14.camel@domain.hid> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Reply-To: rpm@xenomai.org List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: xenomai@xenomai.org On Fri, 2006-09-01 at 01:16 +0200, Gilles Chanteperdrix wrote: > Jeff Webb wrote: > > Hello Xenomai crew, > > > > A few months ago, I tried out xenomai 2.1-rc3 and 2.1-rc4 on my Fedora Core 1 system. (2.4 kernel / standard AMD Athlon XP machine.) At that time, I was able to patch the kernel and install xenomai without too much trouble. > > > > Now, I am setting up a new machine to start the more serious work of > > porting our existing rtlinux simulation to xenomai. The new machine > > is an Athlon64 X2 processor running Fedora Core 5. I realize that > > the x86_64 architecture is not supported, so I installed the 32-bit > > version of FC5 on a second partition for use with xenomai. I > > attempted to compile a xenomai-patched SMP kernel using my 32-bit OS, > > but got a kernel panic when I tried to boot it. After much fiddling > > with config options, I discovered that if I disable SMP, the kernel > > will boot fine, and the xenomai latency test appears to give good > > results. This is a good sign, but I would obviously prefer to use my > > second processor, if possible. I am hoping someone on this list will > > be able to help me track down the problem. > > Do you have spinlock debugging enabled ? If yes, try turning it > off. Hopefully, the former issue with CONFIG_DEBUG_SPINLOCK has been fixed in Adeos rev. 1.3-08 (this was a 2.6-only issue). So any later patch should be immune from this bug. > Could you also post your full .config ? > > -- Philippe.