[Unionfs] modprobe error on CentOS 5.2 (RHEL 5.2)

[Ian Kent]

On Fri, 2009-01-30 at 10:36 +0900, Ian Kent wrote:
> On Fri, 2009-01-30 at 09:13 +0900, Ian Kent wrote:
> > > 
> > > 
> > > Am i doing some step incorrectly or missing something here ? Or ( as
> > > Dave Miller suggested) , we need a new patch release for RHEL 5.2
> > > ( 2.6.18-92.el5 ) , as Dave was sure Redhat has released a new kernel
> > > after Erez gave that last patch for RHEL
> > > (unionfs-2.4_for_2.6.18-RHEL5.
> > > diff) ?
> > 
> > That process sounds ok but if it wasn't, such as you didn't add the
> > patch to the spec file before the build, then you shouldn't have ended
> > up with a module at all. I'll check the patch applies, maybe build a
> > kernel and see. Having time to do this is a problem so you'll need to
> > wait a while.
> 
> I've done a quick check.
> 
> The patch applies cleanly to rev 92.
> That's a good sign but not an absolute guarantee.
> 
> Then try this.

Oh bummer, build failed, got caught with the kabi whitlist checks.
I've not had to deal with the kabi validation before so this will have
to wait for a while, sorry.

> 
> I haven't tested it, other than to get to the point of starting the
> build so there may be other things I've missed.
> 
> 1) Remove the kernel and modules of previous attempts so you don't get
> confusing errors not related to this kernel build. Please make sure you
> don't remove your actual rev 92 kernel and only remove stuff you've
> built and installed (rpm -e perhaps) or copied!!!!
> 
> 2) Copy the uncompressed (maybe you don't need to uncompress it, I don't
> know) unionfs-2.4_for_2.6.18-RHEL5.diff to the rpm build tree SOURCES
> directory.
> 
> 2) Update the kernel configuration used for the rpm build (I'm just
> updating the i686 arch configs here but you would need to do similar for
> other arch, such as x86_64 or if you want to enable other options) using
> something like what is contained in the attached
> unionfs-rhel-srpm-config.patch.
> 
> 3) Set the buildid and add the patch to the kernel build spec file with
> something like what is contained in the attached
> unionfs-rhel-kernel-srpm-spec.patch.
> 
> 4) Use "rpmbuild -bb kernel-2.6.spec" to build the kernel-headers
> package (but maybe you don't really need this, your chioce). Not sure if
> this will actually be needed if your doing this for x86_64, all the
> packages might get built on x86_64 with this alone.
> 
> 5) Use "rpmbuild -bb --target=i686 kernel-2.6.spec" to build the kernel
> rpms (or other target as needed).
> 
> Then hope that the build completes without error and install as needed!
> Note that you should use the "-i" for install not the "-U" for update as
> rpm will happily replace your current kernel with one that might not
> work if you tell it to update instead of install.
> 
> Ian
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