Messages in this thread | | | Date | Tue, 5 Jun 2012 14:35:39 -0400 | From | Don Zickus <> | Subject | Re: [PATCH] x86,nmi: Fix section mismatch warnings on 32-bit |
| |
On Tue, Jun 05, 2012 at 04:42:20PM +0100, Jan Beulich wrote: > >>> On 05.06.12 at 16:47, Don Zickus <dzickus@redhat.com> wrote: > > On Tue, Jun 05, 2012 at 09:12:13AM +0100, Jan Beulich wrote: > >> So before applying a change like this, I'd really like to understand > >> the issue itself. Could you simply attach the nmi_selftest.o file > >> that you get without your patch here (and indicate which > >> upstream version or revision the corresponding source file was > >> from, to be able to re-construct what the compiler actually did)? > > > > I could but it might be easier for you to re-create it on your end. > > Using gcc-4.4.4 on an x86_64 box and v3.5-rc1, I just set > > CONFIG_DEBUG_NMI_SELFTEST to 'y' and compile with > > > > make ARCH=i386 O=out/i686 > > > > and it easily reproduces for me. > > I don't think I have a plain 4.4.4 around anywhere, nor is it clear > whether you used a plain one (and how it was configured). For > tricky, highly version dependent things like this (where a compiler > bug also can't be excluded), having the _exact_ object file the > problem was seen with would be much easier than trying to hunt > down a compiler version that I can reproduce this with.
I didn't think it would be compiler dependent as I do not know what compiler the reporter was using. I used a RHEL-6 4.4.4 compiler (which you probably don't have :^) ).
I attached a gzip'd copy of my nmi_selftest.o file for your debugging.
Cheers, Don [unhandled content-type:application/x-gzip] | |