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Re: Testing 2.4.x or 2.6.x kernels on Amiga


thanks for the fast reply and the detailed description. Please find my
comments in the copy of your message below.

On 26.08.2004, you wrote:

> On Thu, Aug 26, 2004 at 09:04:23PM -0500, Peter Krummrich wrote:
>> Hi,
>> seeing all your discussing new kernels, I was wondering about the easiest
>> way to switch between kernels. I am still using 2.2.20 from Woody, but
>> would be interested in testing 2.4.x or even 2.6.x kernels on my Amiga.
>> How can I get (load .deb archive?), unpack (use dselect or dpkg?) and
>> install a new kernel with the option to easily switch back to my old
>> kernel in case the new one does not work?
> apt-get install kernel-image-2.4.27-amiga kernel-image-2.6.8-amiga 
> This will put modules, config and system map in the right place. Unless
> you are using lilo (amiga-lilo is not included in Debian AFAIK, it does
> not work for me, if somebody else wants to package it, go ahead), you do
> not want to install a new lilo.config, nor create a boot floppy. You have
> to copy the kernel (/boot/vmlinuz-<version>-amiga) to you Amiga partition,
> ie /Amiga/Debian/kernel. Then on reboot just use the new kernel-image
> instead of the one that shipped with woody. For this I created several
> boot scripts similar to the one that shipped with woody, each loading a
> different kernel. Also I mapped these boot scripts on function keys in zsh
> (great shell written by Martin Gierich) so I can blindly boot 2.2.25 by
> pressing Amiga-ESC followed by F1, 2.4.25 with F2, 2.4.26 with F3, 2.4.27
> with F4, 2.6.8 with F5, ... my Amiga video card and scan doubler are still
> mostly broken and it seems nobody want to donate one, but even then I only
> have two monitors for 6 computers, one PS2 and a VCR, so not needing a
> monitor is a plus.

The description sounds good. One question that came to my mind - what can I
do, if the new kernel does not boot, i.e. how can I return to my old
kernel? Can I just boot the old one using amiboot and the old vmlinuz file
on my Amiga partition (are the appropriate modules, config and system map
still there)?


>> I am mostly interested in a new frame buffer device driver. The clgenfb
>> that comes with Woody (1.4?) seems to have some serious problems.
> Serious problems? It might still have debugging on, but other than that, I
> haven't heard of problems? Anyway, you can always grab the source
> (kernel-source-<version>), the m68k patch (kernel-patch-<version>-m68k),
> and maye kernel-package and roll your own. If you want to know how, just
> download the source for a kernel-image-<ver>-amiga and "debuild" the
> package after editing your config.
> Christian

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