From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [Xenomai-help] fata: removing non-linked element... From: Philippe Gerum In-Reply-To: <45D1C61B.7030503@domain.hid> References: <45CC651C.6060402@domain.hid> <45CC68F3.1000003@domain.hid> <45D1C033.9010002@domain.hid> <45D1C61B.7030503@domain.hid> Content-Type: text/plain Date: Tue, 13 Feb 2007 15:25:42 +0100 Message-Id: <1171376742.885.3.camel@domain.hid> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: Philippe Gerum 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: Jan Kiszka Cc: xenomai@xenomai.org On Tue, 2007-02-13 at 15:07 +0100, Jan Kiszka wrote: > Stephan Zimmermann wrote: > > I wasn't able to isolate the section of my code that causes the crash by > > now. The only thing I figured out by now is that the particular crash > > does not happen with 2.3.x rev 2077. > > So I guess some change from 2077 to the 2139 revision did break something. > > Could you track the issue a bit more down? There are not to many > "interesting" changes to 2.3.x. A few milestones I found in the ChangeLog: > > - 2092: Allow sleeping scheduler locks > - 2108: Before RPI rework > > Anything after 2108 only makes sense to dissect when you switch on s,on,off, > XENO_OPT_RPIDISABLE (RPI was buggy until 2139). > > > I'll go on trying to make it reproducible in a small demo program. > > > > By the way, I see a Pentium M crash reliable when I do the following, > > don't know if it's related: > > > > - load nucleus and native module > > - start / stop my app > > - reload the modules > > - start my app --> crash > > > > I attached 'screenshots' of a total freeze with backtrace and some > > messages I extracted from syslog (both on Pentium M). > > Looks like some memory corruption. Your application is not messing > around on raw (kernel) memory and/or hardware? Keep in mind that changes > to the kernel code also moves offsets, potentially unrevealing a > pre-existing corruption that so far just hit harmless regions. > > Jan > > _______________________________________________ > Xenomai-help mailing list > Xenomai-help@domain.hid > https://mail.gna.org/listinfo/xenomai-help -- Philippe.