Re: Building custom images

On Thu, November 17, 2005 12:20 am, Chris Gianelloni wrote:
> On Wed, 2005-11-16 at 17:21 +1000, Dan wrote:
>
>> 1) pxesconfig gives "No space left on device" errors when it tries to
>> make the ram disk.
>
> Try increasing the default size of the ramdisk in the kernel's config.
>

OK will do.

>
>> 2) I had to view the source code to pxesconfig to find the appropriate
>> command line option to increase the ram disk size
>
> Perhaps we need a nice --help?
>

That would be nice, but on my system --help results in a stack trace? The=
n
pxesconfig exits.

Thanks for you tip, but i do actually know about --help.

>
>> 3) pxesconfig is forcing me to specify --fssizeinc=3D16384 to get an
>> image. However, on inspecting the image it appears I have over 17MB of
>> free space.
>
> I would bet this is due to the kernel config, as stated above.
>
>
>> 4) When i boot this image, depmod complains about various files from
>> /lib/modules/`uname -r`/ (ie modules.ieee1394map, modules.pnpbiosmap
>> modules.dep (Not ELF file, cannot read ELF header, cannot open for
>> writing)
>
> cd /opt/pxes-1.0/stock/arch/i586/modules/lib/modules/2.6.10-2pxes.2 (or
> whatever your kernel directory happens to be based on your custom kerne=
l
> image)
>
> I use the following script, called modules-create, from within this
> directory.
>
> #!/bin/bash
> MODDIR=3D"../../../tmp"
>
>
> for i in modules.dep modules.generic_string modules.ieee1394map
> modules.isapnpmap modules.parportmap modules.pcimap modules.pnpbiosmap
> modules.usbmap do rm $i ln -sf $MODDIR/$i $i done
>
> The main thing is that these files are symlinks to the /tmp directory o=
n
> the image, as PXES generates these files at boot.
>

Right. I will give this a shot.

Seems like a crucial step.

>> 5) Because of errors in 4) networking does not load!
>>
>>
>> After following these instructions:
>>
>>
>> http://www.2x.com/pxes/howtos/Customizingkernelhowto.htm
>>
>>
>> It would appear something needs to be done with at least modules.dep,
>> but as far as i can tell, there is zero documention describing this pa=
rt
>> of building a pxes image!
>>
>> Can anyone shed any light on what *really* needs to happen during a
>> pxes build?
>>
>> FYI I am using the latest releases of pxesconfig and pxes-base-i586
>> rpms from the new pxes site.
>
> --
> Chris Gianelloni
> Release Engineering - Strategic Lead
> x86 Architecture Team Games - Developer
> Gentoo Linux
>
>

Cheers,

Dan


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