From mboxrd@z Thu Jan 1 00:00:00 1970 From: Philippe Gerum In-Reply-To: <201104041641.58183.smolorz@domain.hid> References: <201104041641.58183.smolorz@domain.hid> Content-Type: text/plain; charset="UTF-8" Date: Mon, 04 Apr 2011 16:47:54 +0200 Message-ID: <1301928474.2052.57.camel@domain.hid> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai-core] Bug in Linux kernel 2.6.37 blocks xenomai threads List-Id: Xenomai life and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Sebastian Smolorz Cc: xenomai@xenomai.org On Mon, 2011-04-04 at 16:41 +0200, Sebastian Smolorz wrote: > Hi, > > there is a bug in kernel 2.6.37 (fixed in 2.6.37.1, see commit > 1cdc65e1400d863f28af868ee1e645485b04f5ed) which blocks RT threads during > creation. They stick to a certain CPU core for a certain amount of time > (sometimes minutes ...) before they are migrated to the proper core and run > as expected. > > Philippe, Gilles, maybe you could generate a new i-pipe patch based on the > newest 2.6.37-series kernel. I patched a 2.6.37.6 kernel with adeos- > ipipe-2.6.37-x86-2.9-00.patch and the problem was gone. > Ok, I'll handle this. I have some patches from Jan which have been pending for too long in my tree to add to this one. -- Philippe.