Re: rebuilding the kernel.

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Akemi Yagi wrote:

On Sun, Aug 10, 2008 at 3:07 PM, Yahia Tachwali
<ytachwali@xxxxxxxxxxxxxx> wrote:

Thank you for the info, I have installed the rpm and I ended up with the
following :
----------------------------------------------------------------------------------------------------------
[root@localhost i686]# rpm -ivh kernel-*.rpm
Preparing...                ###########################################
[100%]
     package kernel-2.6.9-67.0.22.EL is already installed
     package kernel-devel-2.6.9-67.0.22.EL is already installed
     package kernel-hugemem-devel-2.6.9-67.0.22.EL is already installed
     package kernel-smp-devel-2.6.9-67.0.22.EL is already installed
     file /boot/System.map-2.6.9-67.0.22.EL from install of
kernel-2.6.9-67.0.22.EL conflicts with file from package
kernel-2.6.9-67.0.22.EL
     file /boot/config-2.6.9-67.0.22.EL from install of
kernel-2.6.9-67.0.22.EL conflicts with file from package
kernel-2.6.9-67.0.22.EL
     file /boot/symvers-2.6.9-67.0.22.EL.gz from install of
kernel-2.6.9-67.0.22.EL conflicts with file from package
kernel-2.6.9-67.0.22.EL
     file /boot/vmlinuz-2.6.9-67.0.22.EL from install of
kernel-2.6.9-67.0.22.EL conflicts with file from package
kernel-2.6.9-67.0.22.EL
----------------------------------------------------------------------------------------------------------

However, I was able to reboot with the new kernel but still I can not find o
files for my HDLC in the kernel path under driver/net/wan. I am listing
below the steps that I did to install a new customized kernel starting from
fresh installation of CentOS 4.4 with kernel 2.6.9-42

1- getting the kernel:
 1.1 access as root
 1.2 yum install rpm-build redhat-rpm-config
 1.3 su user
 1.4 cd
 1.5 mkdir -p rpmbuild/{BUILD,RPMS,SOURCES,SPECS,SRPMS}
 1.6 echo "%_topdir %(echo $HOME)/rpmbuild" > .rpmmacros
 1.7 rpm -i
http://mirror.centos.org/centos/4/updates/SRPMS/kernel-2.6.9-67.0.22.EL.src.rpm
     2> /dev/null
 1.8 cd ~/rpmbuild/SPECS
 1.9 rpmbuild -bp --target=`uname -m` kernel-2.6.spec 2> prep-err.log | tee
prep-out.log

Looks good so far.

These so far sound fine. but then I guess there might be a mistake or
missing step in my procdure to build the new kernel:

2- building a new kernel:
 2.1 access as root
 2.2 rpmbuild -bp --target=`uname -m` kernel-2.6.spec 2> prep-err.log | tee
prep-out.log

The above rpmbuild is not necessary.  You have done it correctly in
step 1.9 (as user).

 2.3 su user
 2.4 cd ~/rpmbuild/BUILD/kernel-2.6.18/linux-2.6.18.`uname -m`
 2.5 cp configs/kernel-2.6.18-i686.config .config
 2.6 make oldconfig
 2.7 make menuconfig {here I left it as is and did not do any modification
since I am                 planning to include HDLC as a module after build
a complete custom kernel}

I am confused.  If you did not make any changes here, why would you
expect your new kernel to provide the HDLC support (see above) ???

 2.8 [user@host SPECS]$ rpmbuild -bb --target=`uname -m` kernel-2.6.spec 2>
build-err.log |         tee build-out.log

Before that step (rpmbuild -bb), you should at least edit the line:

%define buildid .your_identifier

as written in the Wiki tutorial to make your rpm's version different
from the distro's.

 2.9 su
 2.10/ rpm -ivh kernel-*.rpm

 and after the last command I have got the conflict warning above. What is
wrong in my             installation procedure! :( Please help.
/

Your "customized" kernel has the same version/revision as the
distro's.  So, it won't install unless you force it (not recommended
at all).

Akemi
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Thank you. So if it is not recommended to force it , what should I do to get it installed ?
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