[ltt-dev] Fwd: Re: Lttng and Tiny Core?

[Mathieu Desnoyers]

* Medved, Michael (medvedm at ZIN-TECH.COM) wrote:
> I tried compiling the modules in this configuration and got the 
> following error message:
> 
> CC [M] arch/x86/kvm/x86.o
> arch/x86/kvm/x86.c: In function �vcpu_enter_guest�:
> arch/x86/kvm/x86.c:3937: error: �prof_on__imv� undeclared (first use in 
> this function)
> arch/x86/kvm/x86.c:3937: error: (Each undeclared identifier is reported 
> only once
> arch/x86/kvm/x86.c:3937: error: for each function it appears in.)
> arch/x86/kvm/x86.c:3937: warning: type defaults to �int� in declaration 
> of �value�
> make[2]: *** [arch/x86/kvm/x86.o] Error 1
> make[1]: *** [arch/x86/kvm] Error 2
> make: *** [arch/x86] Error 2
> 
> Help?

try: CONFIG_IMMEDIATE=n in your .config.

Mathieu

> 
> M
> 
> On 08/20/2010 03:52 PM, Mathieu Desnoyers wrote:
> > * 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 at efficios.com>  <mailto:mathieu.desnoyers at 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