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    SubjectRe: Re:No backlight control on PowerBook G4
    Am Don, den 06.11.2003 schrieb Benjamin Herrenschmidt um 01:28:

    > No, I told you to use _my_ 2.6 tree which contains a new radeonfb
    > that have not yet been merged upstream.

    Still cannot try this because your kernel wouldn't even survive yaboot.

    > > BTW: It took me quite a while to figure out that the only working image
    > > with yaboot was the zImage.chrp. The normal vmlinux doesn't contain a
    > > valid ELF signature (according to yaboot) and the seemingly obvious
    > > vmlinux.elf-pmac goes boom while trying to decompress the kernel.

    > Ugh ?

    > Yaboot normally loads a plain vmlinux, though if you are using tftp, you
    > need to modify yaboot to be able to d/l more than 4Mb (edit fs_of.c and
    > change the allocated size). The ELF image should work, at least the
    > one produced by my tree does, it's possible that there's a similar size
    > problem with the one in Linus tree, a few of those recent changes haven't
    > yet made it to Linus.

    With your tree I now have the problem that it doesn't even boot anymore.
    The CHRP kernel which worked before stopped after "CHRP kernel
    loader...", the elf-pmac one still crashes with:
    Elf32 kernel loaded...
    chrpboot starting: loaded at 0x01000000
    heap at 0x00003000
    gunzipping (0x00010000 <- 0x01006cf8:0x01155486)...
    Decrementer exception at %SRR0: 01005804 %SRR1: 00003030
    0 >

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