kernel panic on root

[David M Noriega]

I have RH9, and I am trying to install the latest kernel, 2.4.21. It
compiles fine, no probs there. I even used the make install command which
adds the new kernel to the grub.conf file. When it comes to reboot and i
pick 2.4.21, the kernel panics when it tries to mount the root directory.
It has root=LABEL=/ as a boot option. The kernel says cant find device
"LABEL=/" use proper "root=" boot option. My boot directory is at
/dev/hde2, root is at /dev/hde5. I have tried setting root=/dev/hde5 at
startup, doesnt work. My hd is a 60gig Western Digital that is connected
to a pci card since my bios is too old to support the drive. Please help, I
really want to see whats so good about the 2.4.21 kernel.

David.

[Doug Laidlaw]

David M Noriega wrote:

> I have RH9, and I am trying to install the latest kernel, 2.4.21. It
> compiles fine, no probs there. I even used the make install command which
> adds the new kernel to the grub.conf file. When it comes to reboot and i
> pick 2.4.21, the kernel panics when it tries to mount the root directory.
> It has root=LABEL=/ as a boot option. The kernel says cant find device
> "LABEL=/" use proper "root=" boot option. My boot directory is at
> /dev/hde2, root is at /dev/hde5. I have tried setting root=/dev/hde5 at
> startup, doesnt work. My hd is a 60gig Western Digital that is connected
> to a pci card since my bios is too old to support the drive. Please help,
> I really want to see whats so good about the 2.4.21 kernel.
>
> David.

Label and root are on separate lines
label=linux (for example)
root=/dev/hde5

seems to be what you need. Label is what appears in your LILO menu, so it
must be unique. Up the top, default=(put here the label of the image you
want to be the default.)

HTH,

Doug.
--
Registered Linux user No. 277548.
Linux: in a world without fences, who needs Gates?

[Timothy Murphy]

Doug Laidlaw wrote:

> David M Noriega wrote:
>

>> I have RH9, and I am trying to install the latest kernel, 2.4.21. It
>> compiles fine, no probs there. I even used the make install command
>> which
>> adds the new kernel to the grub.conf file. When it comes to reboot and i
>> pick 2.4.21, the kernel panics when it tries to mount the root directory.
>> It has root=LABEL=/ as a boot option. The kernel says cant find device
>> "LABEL=/" use proper "root=" boot option. My boot directory is at
>> /dev/hde2, root is at /dev/hde5. I have tried setting root=/dev/hde5 at
>> startup, doesnt work. My hd is a 60gig Western Digital that is connected
>> to a pci card since my bios is too old to support the drive. Please help,
>> I really want to see whats so good about the 2.4.21 kernel.

> Label and root are on separate lines
> label=linux (for example)
> root=/dev/hde5
>
> seems to be what you need. Label is what appears in your LILO menu, so it
> must be unique. Up the top, default=(put here the label of the image you
> want to be the default.)

I think you misunderstand his posting.
His LABEL refers to the partition label,
which can be used in place of the device name.

I would advise replacing LABEL=/ in lilo.conf
by the actual device, eg root=/dev/hde5 ,
and running LILO to get it written
(preferably in the MBR of the first disk).

--
Timothy Murphy
e-mail: [email]tim@birdsnest.maths.tcd.ie[/email]
tel: +353-86-233 6090
s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland

[ne...]

On Sat, 12 Jul 2003 at 13:07 GMT, Timothy Murphy eloquently wrote:

> Doug Laidlaw wrote:
>

>> David M Noriega wrote:
>>

>>> I have RH9, and I am trying to install the latest kernel, 2.4.21. It
>>> compiles fine, no probs there. I even used the make install command
>>> which
>>> adds the new kernel to the grub.conf file. When it comes to reboot and i
>>> pick 2.4.21, the kernel panics when it tries to mount the root directory.
>>> It has root=LABEL=/ as a boot option. The kernel says cant find device
>>> "LABEL=/" use proper "root=" boot option. My boot directory is at
>>> /dev/hde2, root is at /dev/hde5. I have tried setting root=/dev/hde5 at
>>> startup, doesnt work. My hd is a 60gig Western Digital that is connected
>>> to a pci card since my bios is too old to support the drive. Please help,
>>> I really want to see whats so good about the 2.4.21 kernel.

>

>> Label and root are on separate lines
>> label=linux (for example)
>> root=/dev/hde5
>>
>> seems to be what you need. Label is what appears in your LILO menu, so it
>> must be unique. Up the top, default=(put here the label of the image you
>> want to be the default.)

>
> I think you misunderstand his posting.
> His LABEL refers to the partition label,
> which can be used in place of the device name.
>
> I would advise replacing LABEL=/ in lilo.conf
> by the actual device, eg root=/dev/hde5 ,
> and running LILO to get it written
> (preferably in the MBR of the first disk).

Yeah but the OP uses grub. I think the options chosen
during the config stage are incomplete. The OP needs
to state what he did. Did he copy the config-<kernel version>
from boot to /path/to/<kernel-2.4.21>/.config and do a make
oldconfig before make [menu|x]config???

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