On Wed, 2006-03-29 at 19:26 +0200, Antonio Montagnani wrote: > John Austin ha scritto / said the following il giorno/on 29/03/2006 > 18:34: > > Hi > > I'm trying to understand why two of my > > machines will successfully boot FC5 from an > > external USB disk and one will not. > > > > initrd_usb.gz has been created right at the end of a > > clean FC5 install to a USB disk in "linux expert" mode. > > After removing the FC5 DVD > > Cont/Alt/F2 > > chroot /mnt/sysimage > > /sbin/mkinitrd --preload=ehci-hcd --preload=usb-storage \ > > --preload=scsi_mod --preload=sd_mod /boot/initrd_usb.gz \ > > 2.6.15-1.2054_FC5 > > This USB disk boots successfully on two machines with a bit of tweaking > > of grub interactively during the first boot and then changing grub.conf > > as required. > > > > gunzip -c initrd_usb.gz | cpio -i > > shows me the init file with "undocumented" commands such as > > mkblkdevs > > resume > > mkrootdev seems to have changed from man pages > > mount seems to have changed from man pages > > setuproot > > > > There appears to be no mkinitrd in core-source > > I can guess what some of the commands do but > > would like to know for sure. > > > > Advise as to where to find the details of the > > way nash now works would be great. > > > > Any other hints please > > > > Regards > > John > > > > > > > Hi John > > you know that I am a newbie on USB boot. > On the unsuccessfull machine, which is the message during boot? > Hi Antonio Fixed the problem - lack of brains !! I did not include --preload=ohci-hcd which it seems my 3rd machine needs! putting showlabels in the nash script gave me the hint! It would still be nice to know where the latest info on nash usage can be found. John
