Re: Making sparc CDs bootable?

[Anthony Towns]

On Tue, Apr 30, 2002 at 03:18:28PM -0400, Ben Collins wrote:
> Yes, read the CVS log. The latest boot-floppies will have this file.

Uh, what are these "latest" boot-floppies of which you speak?

Cheers,
aj

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Re: jigdo-easy2win and Unofficial CD images: .jigdo for woodymissing?

[Philip Hands]

On Wed, 2002-05-01 at 04:47, G. Del Merritt wrote:
> Who is the correct person to contact to
> see about making:
>http://cdimage.debian.org/pre-release-jigdo/i386/woody-i386-1_NONUS.jigdo 
> 
> available?

Me --- I didn't realise that URL had been built into anything, and it
got removed when I rearanged things a bit.  Sorry.

It's back for now.

For whoever maintains the jigdo-easy2win program, the new canonical URL
for that image is:

  http://cdimage.debian.org/jigdo-area/3.0-pre2/jigdo/i386/woody-i386-1_NONUS.jigdo

or perhaps:

  http://cdimage.debian.org/jigdo-area/current/jigdo/i386/woody-i386-1_NONUS.jigdo

Obviously, the -pre2 bit is subject to change, and that will end up
being 3.0 when the release happens, but I'll keep the current link up to
date from here on.

Tell me what assumptions you're making, and I'll try not to break them,
or at least tell you that I'm going to. ;-)

Cheers, Phil.
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Re: jigdo-easy2win and Unofficial CD images: .jigdo for woodymissing?

[Martijn Stegeman]

I used them just now, and alas, they are already outdated. I'm using the
NON-US, and the jigdo contains files that have already been updated in the
pool. These files have also propagated to the mirrors, so I can't get a
complete image. Can you update them now, just like that, or is there more to
it?

Besides that, jigdo rules! It's a really cool tool.

Regards,
Martijn



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Re: bootable CDs for mipsel [was: Reading fibmap]

[Florian Lohoff]

On Wed, May 01, 2002 at 01:02:17AM +0200, Raphael Hertzog wrote:
> That would be cool. There's another thing that does worry me. All cd
> images should be buildable on i386 without root rights.
> 
> That is: if you can avoid having to use the loopback mount, it would be
> great.

I guess we can't avoid it - Mips and mipsel booting is very much a hack
as both firmwares basically know nothing about a CDROM or iso9660.

On the Decstation a cdrom is a scsi block device with 512 byte blocking.
The first 512 bytes have extents on which blocks to load to which address
and where to jump to - So we basically need to rip off all ELF headers of
the IPL binary etc - load a raw instruction binary to a specific address
and jump to "_main" or equivalent (kernel_entry). To create those extents
one has to mount the iso image and issue a "fibmap" syscall to get the
blocks of the file to load from the first block (We assume all iso9660
files are contigues). Currently we dont have a bootloader which knows
about iso9660 so we directly load the kernel with the attached ramdisk
which contains the debian installer. Goal is to have a bootloader
(modified delo) which is already built as a non-elf-containing-binary)
put that on the disk and let delo deal as a 2nd. stage bootloader
with the iso9660 filesystem and elf loading.

On mips we are emulating a disk with an ordinary partition table.
In the SGI Volume Header there is some special space for boot binarys.
Those may be ECOFF and must be contigues. The volume header also
occupies the first 512 byte of the ISO and contains some informations
about a special partition "8" the volume headers file storage
and filenames + block start + size. Now - We create a fake "Volume
Header" with the special partition 8 covering the WHOLE iso9660
filesystem. Then we put a special file into the filestorages directory
which is basically the ECOFF kernel + ramdisk image. Goal is here
to also use arcboot to load the ELF kernels as we want to go away
from having to build ECOFF kernels. 

Booting the kernel directly from the first 512 byte is something
very ugly and hackish. It works as long as you know how this is supposed
to work - You dont even get a sensible error message if booted on the
wrong machine - I guess it simply crashes (Decstations may produce
something like - "This is a Decstation 5000/1xx - Please compile with 
correct options").

Flo
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Re: Making sparc CDs bootable?

[Ben Collins]

On Wed, May 01, 2002 at 05:56:03PM +1000, Anthony Towns wrote:
> On Tue, Apr 30, 2002 at 03:18:28PM -0400, Ben Collins wrote:
> > Yes, read the CVS log. The latest boot-floppies will have this file.
> 
> Uh, what are these "latest" boot-floppies of which you speak?

Current CVS. I was under the impression that there would be one more
boot-floppies release.

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Nero Audio Indexing....

[Allan Versaevel]

Hi,
Anyone out there know how to get Nero to burn with audio track indexing
? I have set up the index markers. The track is 30mins (from LP) and I want
to break it in to seperate tracks. Split will do this but I want the tracks
seemless, since the music flows from one track to another. Like I said, I
have set up the idex points, but Nero seesm to ignore this. Help !! :)

Allan Versaevel





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Re: bootable CDs for mipsel [was: Reading fibmap]

[Florian Lohoff]

On Wed, May 01, 2002 at 01:02:39AM +0200, Karsten Merker wrote:
> Yes, binutils-multiarch works - just booted my mipsel-box with a freshly
> generated woody CD. So the case differention between "obj(copy|dump)" 
> for native builds and "mipsel-linux-obj(copy|dump)" for non-native
> builds is unnecessary with binutils-multiarch. I will update my 
> patch accordingly.

Hey Karsten, *,

I found a way to create the boot sector without loop mounting the 
iso filesystem.

flo@split:~$ isoinfo -i /tmp/test -Rl   

Directory listing of /
drwxr-xr-x   3 1750 1750 4096 Mar 29 2002 [28]  . 
drwxr-xr-x   3 1750 1750 4096 Mar 29 2002 [28]  .. 
-rw-r--r--   1 1750 1750 1032 Jun 16 2001 [34]  bmark.S 
-rw-r--r--   1 1750 175010919 Jun 16 2001 [35]  cfg.c 
[...]

"isoinfo" lists the content of the disk - When you use the "-R" it shows
the full filename (Or -J if using Joliet Extensions).

The 5th column shows the size of the file. The 9th column shows the
extent of the file which is basically the block number. So retrieving
the bmark.S file one would do

dd if=/tmp/test of=/dev/null count=1 skip=34 bs=2048

The bootsector then would use columen (9 * 4) as the start block
and ((column 5+511)/512) as the no of blocks to read.

Flo
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Re: Documentation provided in the Woody CDs (should be fixed)

[Jordi Mallach]

On Tue, Apr 30, 2002 at 09:13:39PM +0200, Javier Fernández-Sanguino Peña wrote:
> Also please check Bug #58638. Even if the boot-floppies documentation is
> translated to many languages I seem to find only a few (it,cs,da,ca).

I assume only the languages that were ready when bf 3.0.22 was tagged
are there. Most of the translations catched up post-.22.


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Re: Alpha CD: isomarkboot

[J. Currey]

On Wed, Apr 17, 2002 at 05:24:47PM +0200, Falk Hueffner wrote:
> 
> Yes, isomarkboot now handles symlinks. It is part of the aboot
> package, which unfortunately is only available for the Alpha
> architecture. I hope it compiles properly on other architectures,
> though...
> 
> Falk

# apt-get source -b aboot

gcc  -I/usr/src/aboot-0.9/include -I/usr/src/linux/include
-D__ASSEMBLY__ -traditional -c -o head.o head.S
/tmp/ccRkcN8H.s: Assembler messages:
/tmp/ccRkcN8H.s:839: Error: no such instruction: `struct sysinfo{'
/tmp/ccRkcN8H.s:840: Error: no such instruction: `long uptime'


Doesn't look like the whole package can compile on other architectures 
since it has assembler. I don't know squat about cross compilation other
than using toolchain, and it shouldn't be needed here if we only want
isomarkboot.

Recipe for compiling just isomarkboot:
cd aboot-0.9/tools 
fix the #include in ../include/utils.h 
to use the kernel's linux/include/asm-alpha/hwrpb.h
make isomarkboot

I have an i386 executable 
http://natasha.stmarytx.edu/pub/linux/isomarkboot
if anyone is so foolish to want to try it.

I will attempt a alpha CD build tonight after the mirror update to see if 
it looks even vaguely successful. I think I have additional problems
with the alpha CD build.

What is the best way to tell if the CD is functional after building on i386?
Torture the alpha requesters here with the iso image? ;)

J.Currey


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into you." -Friedrich Nietzsche


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