[linux-help] Re: Kernel Panic at boot

[Michael Holmes <maholmes@xxxxxxxxxx>]

Can you boot with the old kernel?  Can you boot with the rescue floppy you 
made?  I know the kernel panic is because it is looking for something, and 
it is not where you told it that is should be.  You need to boot somehow, 
and look for everything to be where the lilo says it is.  When you look, 
you must be literal.  My bugs are always from me reading something in there 
that is nor really there. i.e. I assume the computer knows that my boot 
image is ....and I never told it where like telling it /image where it was 
really /boot/image.

If so, here are so look see's from the linux  book:

-did you rerun /sbin/lilo after the new kernel?
-did you  make a new boot map after the new kernel?
-exceeding the 2gig boundary with lilo
-another os overwrites or corrupts MBR
-errors in /etc/lilo after edits (check for hidden characters)
-corrupted MBR
-a missing linux kernel image (error in /etc/lilo.conf)
also look at readme file at /usr/doc/lilo for further tips.

Good luck, I hate chasing lilo stuff.  I usually run loadlin.

Mike


-----Original Message-----
From:   Justin Hamm [SMTP:jhamm@xxxxxxxxxxx]
Sent:   Saturday, April 21, 2001 4:46 AM
To:     linux-help@xxxxxxxxx
Subject:        [linux-help] Re: Kernel Panic at boot


You had an invisible file, where?  I'm not exactly sure what you're
suggesting I do.  Its setup exactly as it has been for the past 2 months 
and
I haven't used windows for a little longer than 2 months. I always rerun
lilo after I recompile my kernel out of habit.  I guess it would have 
helped
to include that info, my bad.  Any other suggestions?

-----Original Message-----
From: linux-help-bounce@xxxxxxxxx [mailto:linux-help-bounce@xxxxxxxxx]On
Behalf Of Michael Holmes
Sent: Thursday, April 19, 2001 7:49 PM
To: 'linux-help@xxxxxxxxx'
Subject: [linux-help] Re: Kernel Panic at boot


I just went through this, I had an invisible file there.  I booted with the
boot floppy and first told lilo to boot windoz first, then went back and
and set it up as before.  All works great.  I had also removed the extra
partition I had put in there.  I had squeezed in partition magic, which
changed my hda5 to hda6, which when it tried to boot to hda5 it never found
linux.  So after I took my mess out, then re-run lilo in the linuxconfig,
it corrected up my messing.

Mike


-----Original Message-----
From:   Justin Hamm [SMTP:jhamm@xxxxxxxxxxx]
Sent:   Friday, April 20, 2001 10:56 AM
To:     linux-help@xxxxxxxxx
Subject:        [linux-help] Kernel Panic at boot


Here's the last few lines of my boot messages.

-- snip --
ds: no socket drivers loaded!
request_module[block-major-52]: Root fs not mounted
VFS: Cannot open root device "341b" or 34:1b
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on 34:1b
-- snip --

Here's my lilo.conf file

-- snip --

lba32
boot=/dev/hda
install=/boot/boot.b
map=/boot/map
delay=200
vga=normal
append="mem=512mb"

default=Linux
image=/vmlinuz
        root=/dev/hdb1
        label=Linux
        read-only

image=/vmlinuz.old
        label=LinuxOld
        read-only
        optional

other=/dev/hda1
        label=Win
        table=/dev/hda

-- snip --

I do have IDE support built into the kernel, I've rechecked that 5 or 6
times to make sure that during the kernel config I have everything I need
selected, Regardless, I get the message that appears at the top. I have
reran /sbin/lilo to update.  Any thoughts, ideas?


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