[Click] Click-install "Invalid Module format" error

[Puneet Sood]

/usr/src/linux/vmlinux is the right place to look if you built the kernel there.
Check the image in /boot which is actually running. It could be
/boot/vmlinuz also (and have a suffix with the release name).

On 7/20/07, dmoore7 at nd.edu <dmoore7 at nd.edu> wrote:
> Thanks, I'm looking into this.
> click.ko's grep reveals:
> vermagic=2.6.16.13-click SMP 686 REGPARM 4KSTACKS gcc-3.4
>
> while vmlinux's grep reveals:
> Linux version 2.6.16.13-click (root at sybill) (gcc version 3.4.4 20050721 (Red Hat
> 3.4.4-2)) #2 SMP Thu Jul 19 15:41:42 EDT 2007
> 2.6.16.13-click SMP 686 REGPARM 4KSTACKS gcc-3.4
>
> So it appears my versions match.  (I found vmlinux in my /usr/src/linux
> directory, not in /boot, if this makes any difference).  Also, I am not
> attempting to cross-compile.
> Is it possible this is not reporting versions properly, or that I have made an
> error in trying to find the versions?
> All input is appreciated,
>  - David Moore
>
> On 7/20/07, Puneet Sood <psood74 at gmail.com> wrote:
> > David,
> >
> > The problem occurs if different versions of the compiler/linker have
> > been used to build the kernel and the Click modules.
> >
> > You can check the version used to build the modules by doing the following:
> >
> > $ strings click.ko | grep gcc
> > $ strings /boot/vmlinux | grep gcc
> >
> > The gcc version should match upto the first two digits (x.y) and the
> > Linux kernel name should match.
> >
> > If you used a cross-compiler (or something different than the default
> > compiler) you need to modify the linuxmodule/Makefile.in file. Add the
> > two lines referring to CROSS_COMPILE
> >
> > CLICK_ELEM2MAKE = $(top_builddir)/click-buildtool elem2make --linux26
> >
> > CROSS_COMPILE = /path/to/compiler/executables/
> > export CROSS_COMPILE
> >
> > CLICKCC = @KERNEL_CC@
> > CLICKCXX = @KERNEL_CXX@
> >
> >
> > > Date: Fri, 20 Jul 2007 11:41:38 -0400
> > > From: dmoore7 at nd.edu
> > > Subject: [Click] Click-install "Invalid Module format" error
> > > To: click at pdos.csail.mit.edu
> > > Message-ID: <1184946098.46a0d7b20c56d at webmail.nd.edu>
> > > Content-Type: text/plain; charset=ISO-8859-1
> > >
> > > Hello,
> > > I have a newly patched/compiled 2.6.16.13 vanilla linux kernel running
> happily,
> > > and have recompiled click taking care to direct it to my System.map and with
> > > appropriate files in /usr/src/linux.  It compiles properly, without errors.
> > > However, when I attempt to execute a simple click-install:
> > >
> > > # click-install ./conf/test.click
> > > insmod: error inserting '/usr/local/lib/proclikefs.ko': -1 Invalid module
> > > formatclick-install: '/sbin/insmod /usr/local/lib/proclikefs.ko' failed
> > >
> > > I encounter the error shown above.  I looked into /var/log/messages file and
> > > found the following message:
> > > Jul 20 11:34:41 sybill kernel: proclikefs: disagrees about version of symbol
> > > struct_module
> > >
> > > I carefully retraced my steps from kernel-patch onward, but have not found
> any
> > > errors in the output.  However click-install continues to fault as shown
> above.
> > > Any help or input getting this working is appreciated.
> > > Thanks,
> > >  - David Moore
>
>
>