Hi,
I've just been trying to make debian-live boot from a USB stick. After a
small patch to casper this seems to be working.
My naive approach was to take FAT-formatted stick, copy on to it
everything from the ISO image from live.debian.net, and run syslinux.
Modulo a BIOS update to fix up USB boot support, boot from the stick
started off pretty promising but died in casper.
The problem is that /lib/udev/path_id returns output in a different
format to that expected by the script, viz:
$ /lib/udev/path_id /sys/block/sda
ID_PATH=pci-0000:00:1d.7-usb-0:4:1.0-scsi-0:0:0:0
To fix this, I applied the attached patch to casper.
cheers,
Malcolm
*** casper-old Sun Jul 16 09:34:05 2006
--- casper Sun Jul 16 09:13:20 2006
***************
*** 199,205 ****
is_usb_device() {
sysfs_path="${1#/sys}"
! if /lib/udev/path_id "${sysfs_path}" | grep -q "ID_PATH=usb"; then
return 0
fi
return 1
--- 199,205 ----
is_usb_device() {
sysfs_path="${1#/sys}"
! if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-usb)"; then
return 0
fi
return 1
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