From mboxrd@z Thu Jan  1 00:00:00 1970
From: compudj@krystal.dyndns.org (Mathieu Desnoyers)
Date: Fri, 20 Aug 2010 15:52:50 -0400
Subject: [ltt-dev] Fwd: Re: Lttng and Tiny Core?
In-Reply-To: <853D8463AAF7124881C40CFEAD60D54796758E@zinexc.ZIN.NET>
References: <853D8463AAF7124881C40CFEAD60D54796758E@zinexc.ZIN.NET>
Message-ID: <20100820195250.GA5343@Krystal>

* Medved, Michael (medvedm at ZIN-TECH.COM) wrote:
> Per Mathieu's email, I'm moving my question to this mailing list.
> 
> In response to his question - I've already built the tiny core 2.6.33.3 kernel and installed it and it seems to work just fine.  So when I drop the patch into this build is when things start going awry.  
> 
> The 2.6.33 (already patched for TC) can be had here:  
> 
> http://distro.ibiblio.org/pub/linux/distributions/tinycorelinux/3.x/release/src/kernel/
> 

OK, can you try disabling all the lttng-specific options and rebuild ?

Also try compiling them as modules, loading one by one, see which one
fails.

Also having the console output you get when it crashes would be helpful.
A serial console usually does the trick.

Thanks,

Mathieu

> M
> 
> -------- Original Message -------- 
> Subject: 	Re: Lttng and Tiny Core?	 
> Date: 	Fri, 20 Aug 2010 14:57:13 -0400	 
> From: 	Mathieu Desnoyers <mathieu.desnoyers@efficios.com> <mailto:mathieu.desnoyers@efficios.com> 	 
> To: 	Medved, Michael <medvedm at ZIN-TECH.COM> <mailto:medvedm at ZIN-TECH.COM> 	 
> 
> 
> * Medved, Michael (medvedm at ZIN-TECH.COM) wrote:
> > Hi Mathieu-
> > 
> > I'm a NASA contractor and I'd like to us lttng to do some 
> > tracing/profiling of some applications I'm writing for the ISS.  I'm 
> > using a linux distro called tiny core, and have successfully gotten the 
> > kernel to compile with the lttng patches applied (to a 2.6.33.3 kernel), 
> > but when I boot it, it doesn't go to the desktop like usual.  Instead it 
> > spits out a bunch of information (hex numbers, modprobe stuff, etc) and 
> > then goes to a blank line with no cursor, and it doesn't matter what I 
> > type, nothing happens.  Interestingly, if I put in a USB stick it spits 
> > out a bunch of info about it.  I compiled everything from that version 
> > of lttng (.213) into the kernel (none as modules).
> > 
> > I didn't see any forums on the lttng website or any good place to ask my 
> > question, so I thought I'd drop you an email and see if you can point me 
> > in the right direction?
> 
> Usually these questions go through the mailing list,
> ltt-dev at lists.casi.polymtl.ca.
> 
> You should probably try booting your kernel without the lttng patches applied to
> make sure it's not just a matter of a missing driver (e.g. proprietary nvidia
> ?) from your kernel per se.
> 
> The problem may not even be related to lttng, so it would be good to check that
> first. So you should try a 2.6.33.3 kernel without lttng applied.
> 
> Thanks,
> 
> Mathieu
> 
> > 
> > Thanks!
> > M
> 
> -- 
> Mathieu Desnoyers
> Operating System Efficiency R&D Consultant
> EfficiOS Inc.
> http://www.efficios.com
> 
> _______________________________________________
> ltt-dev mailing list
> ltt-dev at lists.casi.polymtl.ca
> http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
> 

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com