Re: [BProc] How do I make a beoboot kernel that will work with beoboot-cm.1.5?

[Michael M. <mm...@as...>]

Larry Baker wrote:

> I have the Clustermatic 3 CD distribution installed, and I want to use 
> the beoboot-cm.1.5 package.  I downloaded the beoboot-cm.1.5 tarball, 
> made an RPM, installed it, created a phase 1 boot floppy and a new 
> phase 2 image file.  Unfortunately, it did not work.  >From 
> Eric's release notes, I assume this is because the phase 1 kernel does 
> not support tmpfs.  I also assume the phase 1 kernel it is using is 
> the one that came with the Clustermatic CD distribution, because I can 
> see from its .config file that it does not support tmpfs.
>  
> I tried using the non-smp bproc kernel from the Clustermatic 3 CD 
> distribution as my phase 1 beoboot kernel.  It made it further into 
> the boot process, but it failed with: "Couldn't find symbol 
> real_mode_conf".
> Next, I tried to make a new beoboot kernel with tmpfs support using 
> the kernel source tree from the Clustermatic 3 CD distribution:
>  
>    # cd /usr/src
>    # tar -cf - linux-2.4.19-lanl.22 | ( cd /home/baker/tmp ; tar -xf - )
>    # cd /home/baker/tmp/linux-2.4.19-lanl.22
>    # cp configs/kernel-2.4.19-i386-beoboot.config ./.config
>    # vi .config
>  
>       Change # CONFIG_TMPFS is not set
>       to     CONFIG_TMPFS=y
>  
>    # make symlinks
>    # make dep
>    # make clean
>    # make bzImage
>  
> "make bzImage" fails when compiling lib/rwsem-spinlock.c.  The 
> errors are: "redefinition of `init_rwsem'" and other function 
> names, ".../include/asm/rwsem.h:85: `init_rwsem' previously defined 
> here" and other function names, and "structure has no member named 
> `activity'".
>  
> Given a clean Clustermatic 3 CD installation, how do I make a beoboot 
> kernel that will work with beoboot-cm.1.5?
>  
>  
> Larry Baker
> US Geological Survey
>  

The easiest thing to do would be to rebuild the kernel from the source RPM:

rpm -ivh kernel-2.4.20-lanl.22.src.rpm
cd /usr/src/redhat/SOURCES
enable TMPFS in kernel-2.4.19-i386-beoboot.config
cd /usr/src/redhat/SPECS
rpmbuild -ba kernel-2.4.spec

Mike