Hi.. I've the same problem..
I'm building the latest kernels on an I386 version
I've been through everything in Phil B's guide for cross compiling
(repeatedly, and with varuois different kernel releases)
I always get this invalid compressed data message
I also would dearly love to find the answer.
n.b. I'm building on i386 mainly because I cannot get an elf compiling
system to run on my armlinux rpc, (and speed...)
logic suggests I'm being silly somewhere, but whichever way I attack it,
I cannot get further.
n.b. is there a good reason why a kernel patchad for armlinux will nolonger
compile
for i386 without error?.. surely it would be wise to put the patches in using
version switched conditionals, rather than (apparently) wholesale change.. a
merge to
the full linux tree would then take account of most (i presume) kernel
upissuing
matters...
John
On Tue, 23 Feb, Nicholas Clark wrote:
> In the last mail Russell King - ARM Linux Admin said:
>
> > Nicholas Clark writes:
> > > If I make zImage then the bootloader says something like "invalid
> > > compressed data" (err1) and then halts the system.
> >
> > Hmm, sounds like the boot loader is not mapping the kernel correctly.
> >
> > > If I try vmlinux (is that the uncompressed kernel, or am I daft here)
> > > it just locks up.
> >
> > This is the expected behaviour.
>
> :-)
>
> I've been told that I need to make Image so I did.
>
> > > I've looked at the top of the zImage file and the first 4 bytes differ
> > > between 2.2.1 and 2.0.35 but are the same between the 3 2.0.35 kernels
> > > I have - has the format changed?
> >
> > Ever so slightly, but I wasn't aware that old loaders couldn't load it.
> >
> > > I tried downloading the bootladoer from the ARMlinux ftp site, but
> > > it's dated 1997 so I don't think that'll help me.
> >
> > There are later - see /pub/armlinux/testing
>
> Got one dated 21 Feb 1999 (IIRC)
>
> using zImage
> bootloader asks about arguments to kernel (as expected)
> error about "invalid compressed data" (as above)
>
> using Image as my kernel:
> bootloader asks about arguments to kernel
> system locks up after I press return (no text messages as linux starts)
>
> I've tried rebuilding with my a.out-> elf cross compiler instead of my
> elf native compiler, but no change to the above.
>
> My zImage is 540000 ish bytes long, which Russell thinks is a bit short.
> I did try answering M to as many configuration questions as I could.
>
> I'm pretty much out of inspiration as to what to do next.
>
> Nick
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