New Kernel on a RS6000 44p 170

Bürgin Daniel (KTSS 1) daniel.buergin at credit-suisse.com
Thu Mar 27 21:33:27 EST 2003



> So, you're booting with yaboot?
>
> Could you do objdump -ph on your old working kernel and the on the new
> kernel which doesn't work and send me the output?
>
> > > Can Anybody give me a hint witch Kernel Sources i should take
> > > and witch config Settings i should use ?
>
> CONFIG_POWER3 is right; as to other things you don't need the
> mac-specific drivers or IDE.  You probably do want CONFIG_VT and
> CONFIG_FB and (I would guess) CONFIG_FB_MATROX (depending on what
> video card you have).  I can send you the .config I use for ppc32
> kernels on RS/6000 170 and 270 machines if you like.
>
> > I'm not sure how good the POWER3 support is in the 32-bit ppc
> > kernel, so...
>
> Should be just fine for a machine with <= 3GB of RAM.

Yes, i'am booting with yaboot, works fine.

----> objdump from my working Kernel

vmlinux.chrp-2.4.16-POWER3-SMP:     file format elf32-powerpc

Program Header:
    LOAD off    0x00010000 vaddr 0x00400000 paddr 0x00400000 align 2**16
         filesz 0x00006470 memsz 0x00006470 flags r-x
    LOAD off    0x00016470 vaddr 0x00416470 paddr 0x00416470 align 2**16
         filesz 0x0014ce9c memsz 0x0016e47c flags rw-
    NOTE off    0x00000094 vaddr 0x00000000 paddr 0x00000000 align 2**0
         filesz 0x0000002c memsz 0x00000000 flags ---

Sections:
Idx Name          Size      VMA       LMA       File off  Algn
  0 .text         00005c88  00400000  00400000  00010000  2**2
                  CONTENTS, ALLOC, LOAD, READONLY, CODE
  1 .rodata       000007e0  00405c90  00405c90  00015c90  2**4
                  CONTENTS, ALLOC, LOAD, READONLY, DATA
  2 .sdata2       00000000  00406470  00406470  00016470  2**2
                  CONTENTS, ALLOC, LOAD, READONLY, DATA
  3 .data         0014ce88  00416470  00416470  00016470  2**2
                  CONTENTS, ALLOC, LOAD, DATA
  4 .sdata        00000014  005632f8  005632f8  001632f8  2**2
                  CONTENTS, ALLOC, LOAD, DATA
  5 .sbss         00000050  0056330c  0056330c  0016330c  2**2
                  ALLOC
  6 .bss          00021590  0056335c  0056330c  0016330c  2**2
                  ALLOC
  7 .comment      00000230  00000000  00000000  0016330c  2**0
                  CONTENTS, READONLY

----> objdump from my new Kernel

vmlinux.chrp-2.4.21:     file format elf32-powerpc

Program Header:
    LOAD off    0x00010000 vaddr 0x00400000 paddr 0x00400000 align 2**16
         filesz 0x00106000 memsz 0x001275dc flags rwx

Sections:
Idx Name          Size      VMA       LMA       File off  Algn
  0 .text         00005d30  00400000  00400000  00010000  2**2
                  CONTENTS, ALLOC, LOAD, READONLY, CODE
  1 .data         001002d0  00405d30  00405d30  00015d30  2**4
                  CONTENTS, ALLOC, LOAD, DATA
  2 .bss          000215dc  00506000  00506000  00116000  2**2
                  ALLOC

As far as i understand now, the 32bit Kernel is ok for me (512MB Ram) and
no need in the moment for the 64bit Stuff.

Yes, it would be nice if you could send me your .config File !

Do i understand right ?
- bk clone kb://linux.bkbits.net/linux-2.4 linux-2.4
- Copy your .config to linux-2.4
- make dep zImage modules modules_install
- Copy arch/ppc/boot/images/zImage.chrp /boot/vmlinx
- reboot this kernel

By the way, is this the right way to communicate with such a Mailing-List,
or am'i doing something wrong ?

Regards,

Daniel

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