From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4D270DF8.4020802@domain.hid> Date: Fri, 07 Jan 2011 13:58:32 +0100 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <515034A5-8E42-4ACC-B08E-FC8A05DEB293@domain.hid> <1287218938.1854.11.camel@domain.hid> <1294236456.1828.3.camel@domain.hid> <1294242791.1828.6.camel@domain.hid> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai-core] hanging in Xenomai 2.5.5 List-Id: Xenomai life and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Schaal Cc: xenomai@xenomai.org Stefan Schaal wrote: > Hi Philippe, > > thanks a lot for the hint. I configured my kernel from scratch, and > got rid of the linux compile problems. I could thus verify that the > commit you mentioned below DOES NOT have the problem I described, > i.e., semaphores used by multiple processes which are running on > different cores DID NOT hang anymore. > > Then, I thought I try to bisect the problem with git, and I pulled > the latest version of the 2.5 repository. Interestingly, with the > very latest commits, my problem has gone away. I confirmed this by > switching back to Alexis' analogy branch, which I need for my > development. This branch is not quite as up-to-date as the 2.5 > branch, and the hanging problem still exists. I merged the analogy > branch with the latest 2.5 branch, and now nothing hangs anymore. > > I guess, I stop investigating at this point, unless the problem > re-apprears. 2.5.6 should be out soon, which should allow you to avoid doing this. But in the mean-time, you can probably merge the two branches, they should be fairly orthogonal. -- Gilles.