Bruno Wolff III wrote:
On Mon, Mar 10, 2008 at 17:47:06 +0900,
John Summerfield <debian@xxxxxxxxxxxxxxxxxxxxxx> wrote:
Some will have noticed that I'm having a difficulty with f9 kernels.
In order to have a poke around and see what I can see, I've been trying
to insert anaconda into the initrd so as to get a shell.
Unfortunately, RH/Fedora uses nash, and nash is, er, not a shell.
I have been having luck with the rescue (netinst) image. After coming up
in rescue mode I chroot to /mnt/sysimage and then most (but not all)
things work. I can even use yum to get updates.
(I am trying to get mkinitrd to put in the proper crypto stuff and it seems
to be having a problem with dm-crypt stacked on top of software raid.)
Depending on what you need to look at that may work for you.
Thanks Bruno for your response. My post should be read in context with
some others I made - it's clear to me, but I didn't make the link in
this thread. The message I get is "Booting has failed" and the reason
it's failed is that it can't find my disks (there are two of them).
I'm trying to diagnose a boot failure by getting a shell at the time of
the failure.
A rescue CD doesn't help, I have a kernel (two no) that does boot, and
while they're good for making changes, I really need to run a 2.6.25
kernel to see why it doesn't boot properly.
My best idea so far is to get busybox in there, but so far nothing I've
tried has got me a working shell.
I've changed my version of mkinitrd, here's the latest diff:
[summer@localhost ~]$ diff -u /sbin/mkinitrd*
--- /sbin/mkinitrd 2008-03-07 09:25:01.000000000 +0900
+++ /sbin/mkinitrd.js 2008-03-11 07:45:07.000000000 +0900
@@ -1370,6 +1370,19 @@
inst /sbin/nash "$MNTIMAGE" /bin/nash
inst /sbin/modprobe "$MNTIMAGE" /bin/modprobe
inst /sbin/rmmod "$MNTIMAGE" /bin/rmmod
+inst /sbin/busybox "$MNTIMAGE" /bin/busybox
+cat <<. | tee ${MNTIMAGE}/linuxrc
+#!/bin/sh
+echo linuxrc begin
+/bin/sh
+echo linuxrc end
+.
+chmod +x ${MNTIMAGE}/linuxrc
+(
+cd "$MNTIMAGE/bin"
+for f in $(./busybox | sed -r -e '0,/Currently defined functions/d' |
tr -d ,\\\n); do ln -sf busybox $f ;done
+ls -l --color ..
+)
if [ -e /etc/fstab.sys ]; then
inst /etc/fstab.sys "$MNTIMAGE"
@@ -1574,7 +1587,7 @@
echo -n >| $RCFILE
cemit << EOF
#!/bin/nash
-
+echo Beginning initialistion
mount -t proc /proc /proc
setquiet
echo Mounting proc filesystem
@@ -1793,7 +1806,12 @@
emit "echo Switching to new root and running init."
emit "switchroot"
emit "echo Booting has failed."
-emit "sleep -1"
+emit "help"
+emit "echo Trying a shell"
+emit "openvt -c 9 -s -w -- /bin/sh"
+emit "/bin/busybox sh"
+emit "echo Shell failed or shell done"
+emit "sleep 60"
chmod +x $RCFILE
[summer@localhost ~]$
the openvt doesn't seem to have helped, and neither has linuxrc. Nothing
produces a message to say what's wrong.
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