Custom 2.6 Kernel on Power5 pSeries

[Mike Ranweiler]

On Friday 08 April 2005 18:09, Yaoping Ruan wrote:
> Hi:
>
> Yes, I did try mkinitrd to have the initrd image. I also tried "make
> install" to generate the image and copy the files, but without luck.
>
> The following is steps I went into, maybe you see anything missed here:
> 1) get kernel-2.6.9-5.EL.src.rpm from source SRPMS
> 2) rpm -ivh /var/spool/up2date/kernel-2.6.9-5.EL.src.rpm
> 3) cd /usr/src/redhat/SPECS
> 4) rpmbuild -bp --target=ppc64 kernel-2.6.spec
> 5) cp -a /usr/src/redhat/BUILD/kernel-2.6.9/linux-2.6.9 /usr/src
> 6) ln -s /usr/src/linux-2.6.9 /usr/src/linux
> 7) cp /boot/config-2.6.9-5.EL .config (in /usr/src/linux-2.6.9)
> 8) make oldconfig
> 9) make menuconfig (added some drivers, and file systems. Most SCSI
> drivers are included, ext3 is enbled)

Have you tried just the generic RH config, make sure you can build boot that, 
then make your changes?

Mike
> 10) make; make modules; make modules_install; make install (check
> vmlinux, system.amp and initrd are installed under /boot)
> 11) update /etc/yaboot.conf to the new kernel, my yaboot looks as follow:
>
> Hit <TAB> for boot options
>
> partition=2
> timeout=20
> install=/usr/lib/yaboot/yaboot
> default=linux
> delay=5
> nonvram
>
> image=/vmlinux-2.6.9-smp
>         label=2.6.9-smp
>         read-only
>         initrd=/initrd-2.6.9-smp.img
>         root=/dev/VolGroup00/LogVol00
>         append="console=hvsi1 rhgb"
>
> image=/vmlinuz-2.6.9-5.EL
>         label=linux
>         read-only
>         initrd=/initrd-2.6.9-5.EL.img
>         root=/dev/VolGroup00/LogVol00
>         append="console=hvsi1 rhgb"
>
> (2.6.9-smp is the new kernel)
>
> When the new kernel boots, it will reboot automatically at some point.
> Since I am using a dial-up console, I couldn't identify at which step if
> failed.
>
> -Yaoping
>
> will schmidt wrote:
> > Yaoping Ruan wrote:
> >> Hello,
> >>
> >> Is there anybody had successful experience compiling 2.6 kernel on
> >> Power 5 servers? We recently purchased a Power5 p520 server and
> >> installed with RHEL4 for ppc64. While the installation was ok, I had
> >> problem compiling a custom kernel.
> >>
> >> I installed the kernel src rpm, generated the ppc code, and compiled
> >> the kernel with the default config in /boot. When I updated the
> >> yaboot.conf and reboot, it died in the middle reporting "vfs error ...".
> >>
> >> I'd appreciate if anybody can share some experience with me, or give
> >> me some links for instruction.
> >>
> >> -Yaoping
> >> _______________________________________________
> >> Linuxppc64-dev mailing list
> >> Linuxppc64-dev at ozlabs.org
> >> https://ozlabs.org/cgi-bin/mailman/listinfo/linuxppc64-dev
> >
> > Did you also build an initrd with your new kernel?   (with mkinitrd
> > command?)
> >
> > Filesystems and scsi drivers are usually modules, and are most likely
> > missing from your newly built kernel.
> >
> >
> > -Will
>
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