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Re: Debian 3.1r4 sparc CD images

On Thu, Dec 21, 2006 at 09:32:49AM -0800, W. Davies wrote:
>I am having significant difficulties trying to burn a
>bootable CD for Sparc platform.  I have tried both the
>debian-31r4-sparc-netinst.iso and debian-31r4-sparc-
>businesscard.iso images, both of which fail with the
>same problem.  The problem is that I download the ISO
>image and attempt to burn the image, but the CD soft-
>ware only sees the ISO image as being a small percent
>of the actual size (e.g. the ~40MB "business card"
>image shows up as being 2MB and the ~160MB "netinst"
>image shows up as being 12 MB in the burner software).
>For reference, I also attempted to download and burn
>the i386 version of the netinst image using the same
>steps.  This worked without fault.
>Unfortunately, the only CD burner and software I have
>available is on a non-GNU, non-Un*x system.  The CD
>software is by "Sonic Solutions" under the label
>"Multimedia Center for Think Offerings".  I am not
>having any unusual difficulties with the computer,
>software, etc., otherwise.
>For a different reference, I also attempted to mount
>each Sparc ISO image as a loopback device on an i386-
>platform machine running Debian-unstable that I have
>available (which does not have a CD burner).  This
>seems to work just fine, with the images showing up
>and appearing to be of normal expected size, etc.
>I had thought the Sparc images were corrupt, but the
>successful loopback mounts suggests otherwise.  Any
>notions as to what's going on and how to fix?

It sounds like the software is trying to parse the contents of the
image, and getting it wrong. Bootable sparc CDs contain extra metadata
used by the sparc firmware to locate the bootable sections of the
image, and it looks like the organisation of this metadata is
confusing your Sonic Solutions software. If there are any options to
disable image parsing or image testing or similar, I'd give those a
try. Otherwise, try and obtain some more (less!) intelligent burner
software that will just write an ISO image...

Steve McIntyre, Cambridge, UK.                                steve@einval.com
"I've only once written 'SQL is my bitch' in a comment. But that code 
 is in use on a military site..." -- Simon Booth

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