From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <50E46C37.9090408@siemens.com> Date: Wed, 02 Jan 2013 18:19:51 +0100 From: Jan Kiszka MIME-Version: 1.0 References: <3a62cd359d1baaa923985e5438f7b75a.squirrel@www.nta-inc.net> <50E2C4C6.60306@xenomai.org> <50E461E2.10502@nta-inc.net> In-Reply-To: <50E461E2.10502@nta-inc.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] RTDM serial issue List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jeff Webb Cc: xenomai@xenomai.org On 2013-01-02 17:35, Jeff Webb wrote: > On 01/01/2013 05:13 AM, Gilles Chanteperdrix wrote: >> On 01/01/2013 05:09 AM, jeff.webb@nta-inc.net wrote: >> >>> When I try to open an RTDM serial device under Xenomai-2.6.2/Linux 3.4.6 >>> (Ubuntu 12.04), the call appears to succeed, but I get the following >>> output in /var/log/kern.log: >>> >>> [...] >>> >> >> This is a known issue, for a proposed fix, see: >> http://www.xenomai.org/pipermail/xenomai/2012-October/026566.html >> >> Whether we are merging this patch is still not sure. > > Are there performance issues if the patch is not applied, or does the > patch essentially just remove the worrisome log messages? From the > commit message, it sounds like the latter. There are no performance issues with that patch, but it turned out to be incomplete, causing different errors when dumping /proc/xenomai/stat. I'm working on an update. Jan -- Siemens AG, Corporate Technology, CT RTC ITP SDP-DE Corporate Competence Center Embedded Linux