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Re: Installing a custom kernel on Debian S/390(wheezy/sid)



Please reply to the list, not to me personally.  Placing my reply
on the list.

On Sun, 05 Aug 2012 09:20:47 -0400 (EDT), Sampsa Laine wrote:
> On 5 Aug 2012, at 16:09, Stephen Powell wrote:
>> 
>> First of all, are you running Debian or Ubuntu?  This is a Debian list.
>> Advice you get here is going to be Debian-specific and may not work
>> for Ubuntu.  Debian has its own s390 port.
> 
> Debian on the S/390 - I just thought I'd mention I installed Hercules
> on the host machine which is running Xubuntu.

Oh.

>> 
>> Second, let me qualify my remarks by saying that I am not a member of
>> the Debian s390/s390x port team and I do not speak for them: I am just
>> an ordinary Debian user (including a Debian for s390 user).
>> 
>> For building and installing custom kernels under Debian GNU/Linux,
>> I recommend the web page
>> 
>>   http://users.wowway.com/~zlinuxman/Kernel.htm
>> 
>> This is not an official Debian web page, but this is what I use.
>> Take it with however many grains of salt you think it's worth.
>> 
> 
> Yeah, found that page too.  Does step 11 (Install the kernel image
> package) work pretty much like they say on that page (thinking S/390
> bootloaders are pretty different from i386 ones)?

The boot loader for s390 is ZIPL (part of the s390-tools package),
which is similar to LILO in that it uses a list of blocks determined
at map installer time to load the map file, kernel image, and initial
RAM file system image into memory.  It also is typically configured
to use symbolic links, as LILO typically is too.  The configuration
file is /etc/zipl.conf.  Step 11 is not where you will have your
problem: Step 10 is.  With ZIPL configured to use symbolic links and
using a custom kernel created by make-kpkg under Squeeze and later
releases, it will be necessary to install the two hook scripts called
zy-symlinks.  Read that section carefully.  You must install these
hook scripts BEFORE you install the kernel.

-- 
  .''`.     Stephen Powell    
 : :'  :
 `. `'`
   `-


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