From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4C0E7B60.7000403@domain.hid> Date: Tue, 08 Jun 2010 19:18:24 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <4C0E05F6.5030200@domain.hid> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai-help] [RTnet-users] Alignment problem List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Cyril Wallois Cc: xenomai@xenomai.org Cyril Wallois wrote: > Hi Gilles, > > Thanks for your help > > Still on ARM, right? Do you have the same issue if you use an I-pipe > patch for a more recent kernel versions (anything more recent than > 2.6.28). > > > Yes on ARM with PXA270 (toradex colibri), I try to use a newer kernel > but I have a problem of file system and can't use NFS (ethernet driver > as module for rtnet). > On an other embedded system, with kernel 2.6.29, I haven't any problem. > > Other than that, you do not give us enough information to help solving > your issue. What about the last issue you had? What was the value of the > r3 register at the time of the alignment fault? > > > I don't solve the last issue, I focus on try with newer version of > kernel and xenomai. > Probably my problem should be solve with a more recent kernel , I think > I will try 2.6.29 (and try to solve fs problem). I do not understand why choosing such an old kernel when starting a new project. Why not 2.6.33? 2.6.29 is more than one year old. As for the unaligned access, it looks like a problem in rtnet. So, I doubt it could be solved by a more recent version of Xenomai. For the record, I have been using Xenomai and rtnet for a long time on ARM, and had no issues, so, there is definitely no bug fixed recently in Xenomai to get rtnet working on ARM, they have been working together for a long time. But Ok, it will avoid bugs that we already know. -- Gilles.