When you extract the initrd, the devices within it are not extracted, for
obvious reasons.
When you repack it, you can add the devices back as follows:
mknod-cpio.pl < devices.txt > devices.cpio
cat devices.cpio >> initrd
Hope that helps.
Steven
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From: Johannes Singer [mailto:j...@ssw.co.at]
Sent: 09 February 2010 12:24
To: Juan Jose Pablos
Cc: unattended-devel@lists.sourceforge.net
Subject: Re: /dev/null not a device in Linux boot image / initrd
Juan,
Sorry, it seems that it was my fault.
I retested the whole thing, and it seems I was creating the initrd wrong.
/dev/null works
with the initrd from the downloadable zip.
Apparently extracting the initrd, changing files and repacking it with
"find . | cpio -o -H newc > /unattended/linuxboot/tftpboot/initrd"
does not work completely. I used the "five steps" instructions from the
wiki here: http://sourceforge.net/apps/trac/unattended/wiki/ModifyingTheBootDisk
Unfortunately the drivers are not copied with the stock initrd from the zip
file, I will
investigate further.
I am sorry to have bothered you.
I would like to make good for this by submitting installer scripts. :-)
What is the usual procedure for this?
Sincerely,
Johannes
Juan Jose Pablos schrieb:
Steven Blackery escribió:
Inside devices.txt is:
dev/null c 1 3
which, if you are using mknod-cpio.pl with devices.txt as the input to append
the devices to your initrd, should work...
Steven,
that is exactly how is done it when building the iso image (I did not know):
## devices
devices.cpio: misc/devices.txt
tools/mknod-cpio.pl < $< >| $...@.tmp
mv $...@.tmp $@
....
initrd: devices.cpio .stamp-stage2
(cd stage2 && find . | cpio -H newc -o) >| $...@.tmp
cat devices.cpio >> $...@.tmp
mv $...@.tmp $@
now,
I have try both the iso image and the network image, and both have
ls -l /dev/null
crw------- 1 root 0 1, 3 Jan 18 17:19 /dev/null
Johannes,
are you building up the images from source?
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