On Tuesday 03 May 2005 12:40 pm, Wakko Warner wrote:
> Please keep me CCd
>
> Rick Warner wrote:
> > On Monday 02 May 2005 09:29 pm, Wakko Warner wrote:
> > > Is it possible to use zImage on 2.6 kernels or is bzImage required?
> >
> > Why do you need the zImage anyway? Maybe there is another way around the
> > problem you are having. Can you post what you are trying to do (end
> > goal) ?
>
> This is a little project I'm doing to beable to load a system onto a hard
> drive. The linux system is short lived by design and will run out of a
> tmpfs root populated by various tgz files found either on CDs or a USB
> stick.
>
> My goal (which I realize may not be achivable nor is it important in the
> long run) is to get the kernel and the initrd onto a single floppy disk
> (Currently, I'm ~80kb too large for this).
>
> I decided (remembering 2.2 days and prior when zImage was normally used) to
> try zImage to see what happened. I was going to compare the size of the
> resulting images. That's when I hit the problem.
>
> I understand that upx can compress the kernel better and I also remember
> hearing about utilizing bzip2 as the compressor for the kernel and initrd
> images.
>
> As far as my question, it still stands. Is bzImage required (i386/x86) for
> a 2.6 kernel?
As others have mentioned, bzImage seems to be a requirement now for x86.
However, zImage will not do any better for you. I recall doing testing of
zImage vs bzImage a long time back, and the bzImage kernels were slightly
smaller than the zImage ones anyway. I think you're going to be out of luck
trying to get your kernel that small. A single floppy boot/root disk isn't
really possible with 2.6 kernels anymore. Have you looked into pxe booting
instead? I work at a cluster company and we do tons of pxe/network booting
stuff.
--
Richard Warner
Lead Systems Integrator
Microway, Inc
(508)732-5517
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