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linux kernel 2.6.3 - Kernel panic: VFS: Unable to mount root fs on unknown-block(0,0

I am not sure if I am experiencing a silo problem, or a problem with a
kernel configuration.  I have a couple of sparc machines that I am
attempting to build 2.6.3 kernels for.  I have gotten one to build
now, but I am unable to get it to finish booting.  At the bootprompt,
I have typed in the name of my image (from silo.conf) with the "-p"
argument so I can see the output.  The boot process recognizes my
kernel image and starts in on the boot process, then ends at:
Kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)

I would normally figure I had misconfigured the kernel - not including
ext2 or ext3 filesystems or IDE drivers in the kernel.  But I did
include them.  Silo doesn't seem to have a verbose mode, and I am not
left with the feeling that silo actually did anything - althought upon
boot, it does find images by name.

Here is the contents of silo.conf, the output /proc/cpuinfo, uname -a,
and distribution details.  Any help is appreciated.

cpu      : TI UltraSparc IIi
fpu      : UltraSparc IIi integrated FPU
promlib     : Version 3 Revision 14
prom     : 3.14.0
type     : sun4u
ncpus probed   : 1
ncpus active   : 1
Cpu0Bogo : 599.65
Cpu0ClkTck  : 0000000011e19072
MMU Type : Spitfire

cat /etc/debian_version 
testing/unstable

Linux mysparc 2.4.18 #2 Thu Apr 11 14:37:17 EDT 2002 sparc64 GNU/Linux


`cat /etc/debian_version `
testing/unstable
0
lhack
2/21/2004 8:46:02 PM
comp.os.linux.setup 9104 articles. 1 followers. Post Follow

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lhack@wgeddes.com (lhack) wrote in message news:<9c859923.0402211246.177fca6@posting.google.com>...
> I am not sure if I am experiencing a silo problem, or a problem with a
> kernel configuration.  I have a couple of sparc machines that I am
> attempting to build 2.6.3 kernels for.  I have gotten one to build
> now, but I am unable to get it to finish booting.  At the bootprompt,
> I have typed in the name of my image (from silo.conf) with the "-p"
> argument so I can see the output.  The boot process recognizes my
> kernel image and starts in on the boot process, then ends at:
> Kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
> 
> I would normally figure I had misconfigured the kernel - not including
> ext2 or ext3 filesystems or IDE drivers in the kernel.  But I did
> include them.  Silo doesn't seem to have a verbose mode, and I am not
> left with the feeling that silo actually did anything - althought upon
> boot, it does find images by name.
> 
> Here is the contents of silo.conf, the output /proc/cpuinfo, uname -a,
> and distribution details.  Any help is appreciated.
> 
> cpu      : TI UltraSparc IIi
> fpu      : UltraSparc IIi integrated FPU
> promlib     : Version 3 Revision 14
> prom     : 3.14.0
> type     : sun4u
> ncpus probed   : 1
> ncpus active   : 1
> Cpu0Bogo : 599.65
> Cpu0ClkTck  : 0000000011e19072
> MMU Type : Spitfire
> 
> cat /etc/debian_version 
> testing/unstable
> 
> Linux mysparc 2.4.18 #2 Thu Apr 11 14:37:17 EDT 2002 sparc64 GNU/Linux
> 
> 
> `cat /etc/debian_version `
> testing/unstable


It is interesting to note that when it boots, it is finding the right
device for the root device - /dev/hda1 in this case (the machine is
all IDE).  However, the error notice says to append a correct 'root='
argument.  I have, and the results are the same.

My silo.conf file looks like this:
-----------------------------
partition=1
root=/dev/hda1
timeout=100
read-only
default=linux

image=/vmlinuz.old
label=linux
read-only

image=/vmlinux-2.6.2
label=2.6.2
read-only

image=/vmlinux-2.6.3
label=Monday
read-only
---------------------------

silo picks up any changes automatically, and the image in the above
file named "linux" boots.  /dev/hda1 gets mounted during that boot
sequence.  I just do not understand why I cannot get the root disk to
mount with the new kernels.
0
lhack
2/23/2004 7:51:35 PM
Reply:

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