> >
> > > > Hello everybody !
> > > >
> > > > I installed xenomai 2.3.0 on a FC6 linux distribution with vanilla
> > kernel 2.6.19.7 following the
> > > > http://www.captain.at/xenomai-2.1-installation.php installation guide.
> > > > It worked well until I install a new xenomai version (2.3.1) and linux
> > kernel (2.6.20.4)
> > > > with the same kernel configuration than the first install.
> > > > The compilation and installation passed but when I run the xeno-test
> > program, sometimes, it blocks
> > > > at the begining and I have to reboot the PC. Also, the cyclic
> > testsuite program always blocks when I stop it pressing ctl-c.
> > > > I have no problem with the latency test or others simple programs I
> > made using rt_arlarm objects (I only use native skin).
> > > >
> > > > When I launch the ancient kernel (which worked before) I have the same
> > behaviour when I launch cyclic test and xeno-test.
> >
> > > This means that the problem lies in user-space. Could you launch
> > > xeno-test with bash -x to see what command of xeno-test blocks ? And
> > > attach gdb to the bloccked cyclictest to see where it is blocked ?
> >
> > Strangely, I ran xeno-test 5 times and it did'nt hard lock.
> > I ran bash -x xeno_test and it froze twice at :
> > +date
> > ven mar 30 09:44:27 CEST 2007
> > + echo running: cat /proc/xenomai/interfaces/rtdm
> > running cat....
> > + eval cat /proc/xenomai/interfaces/rtdm
> > ++ cat /proc/xenomai/interfaces/rtdm
> > + wait 2953
> >
> > Another strange behaviour : I stopped the xeno-test program pressing ctl-C
> > and I
> > entered commands in the console, and at the moment I heard the PC signal
> > "beep", the PC froze. (it occurred twice)
> >
> > I attached gdb to the cyclictest but, the program is supposed to freeze
> > when I stop it pressing ctl-C
> > and during debugging that only stops gdb and doesn't stop cyclictest.
> > So I tried to find where it is blocked using printf() into cyclictest
> > sources. But when I run cyclictest and I press ctl-C
> > the PC doesn't freeze anymore but reboot. I restored the original
> > cyclictest version and ran it, the PC rebooted.
> > After I reinstalled xenomai (only /usr/xenomai) and when I stop the
> > cyclictest, the PC reboots
> I meant to attach gdb to cyclictest once it is blocked. But if the
> machine reboots, it will be hard. Note that when adding printf to trace
> the program termination, you should not add it in a signal handler, as
> this could be the cause of deadlocks.
Sorry, I can't attach gdb to cyclictest once it is blocked because, the PC is
hard locked and I can't do anything (only reboot).
So, I'm trying to install the gcc version 3.3.6. I hope that will solve my
problems.
Thanks for your help..
Niry.
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