[syslinux] Problems with syslinux when remastering ubuntu install CD.
Josef Wolf
jw at raven.inka.de
Thu Nov 30 08:36:45 PST 2006
Hello!
I am trying to create customized ubuntu install CDs ad described on
https://help.ubuntu.com/community/InstallCDCustomization
Basically, what I am trying to do is:
mkdir -p mnt
sudo mount -oro,loop /downloads/ubuntu-6.10-alternate-i386.iso mnt
cp -rT mnt custom
chmod -R u+w custom
sudo umount mnt
mkisofs -r -V 'Gemedis Install CD' -cache-inodes -J -l \
-b isolinux/isolinux.bin -c isolinux/boot.cat -no-emul-boot \
-boot-load-size 4 -boot-info-table -o custom.iso custom
sudo nice -18 cdrecord blank=fast -eject -v gracetime=2 -tao custom.iso
With this, I get a working CD, thus I think I've got the basics right.
But when I do the slightest modification to the isolinux.cfg, the
generated CD hans even before the boot menu is presented. For example,
even the following modification will cause the CD to hang:
--- custom/isolinux/isolinux.cfg.orig 2006-11-30 17:21:51.000000000 +0100
+++ custom/isolinux/isolinux.cfg 2006-11-30 17:22:27.000000000 +0100
@@ -3,7 +3,7 @@
GFXBOOT-BACKGROUND 0xB6875A
APPEND file=/cdrom/preseed/ubuntu.seed initrd=/install/initrd.gz ramdisk_size=16384 root=/dev/ram rw quiet --
LABEL install
- menu label ^Install in text mode
+ menu label ^Gem install
kernel /install/vmlinuz
append file=/cdrom/preseed/ubuntu.seed initrd=/install/initrd.gz ramdisk_size=16384 root=/dev/ram rw quiet --
LABEL linux
Any ideas what's going wrong here?
BTW: I have tried to find out the meaning of the caret in the "menu label"
line. But I could not find any syslinux/isolinux documentation where
this is described.
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