From mboxrd@z Thu Jan 1 00:00:00 1970 From: medvedm@ZIN-TECH.COM (Medved, Michael) Date: Wed, 25 Aug 2010 08:40:59 -0400 Subject: [ltt-dev] Fwd: Re: Lttng and Tiny Core? In-Reply-To: <20100820195250.GA5343@Krystal> References: <853D8463AAF7124881C40CFEAD60D54796758E@zinexc.ZIN.NET> <20100820195250.GA5343@Krystal> Message-ID: <853D8463AAF7124881C40CFEAD60D547967596@zinexc.ZIN.NET> 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? 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 >> >> >