From mboxrd@z Thu Jan 1 00:00:00 1970 From: compudj@krystal.dyndns.org (Mathieu Desnoyers) Date: Wed, 25 Aug 2010 08:55:32 -0400 Subject: [ltt-dev] Fwd: Re: Lttng and Tiny Core? In-Reply-To: <853D8463AAF7124881C40CFEAD60D547967596@zinexc.ZIN.NET> References: <853D8463AAF7124881C40CFEAD60D54796758E@zinexc.ZIN.NET> <20100820195250.GA5343@Krystal> <853D8463AAF7124881C40CFEAD60D547967596@zinexc.ZIN.NET> Message-ID: <20100825125531.GA13282@Krystal> * 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 > >> To: Medved, Michael > >> > >> > >> * 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