Re: Kernel Panic + Intel SATA

[linux-os (Dick Johnson)]

On Thu, 27 Oct 2005, [iso-8859-1] Márcio Oliveira wrote:

> linux-os (Dick Johnson) wrote:
>
>> On Wed, 26 Oct 2005, Marcio Oliveira wrote:
>>
>>
>>
>>> linux-os (Dick Johnson) wrote:
>>>
>>>
>>>
>>>> On Wed, 26 Oct 2005, [iso-8859-1] Márcio Oliveira wrote:
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>> Hi there!
>>>>>
>>>>> I have a IBM ThinkPad t43 running Fedora Core  Linux 4 and kernel
>>>>> 2.6.12-1.146_FC4. I recompiled the kernel (2.6.13.4 - kernel.org) and I
>>>>> am geting the following message when the computer boots:
>>>>>
>>>>> Creating root device
>>>>> mkrootdev: label / not found
>>>>>
>>>>>
>>>>>
>>>>>
>>>> This label was no good it needs to be /dev/sda6 from your fstab
>>>> You will need to put the device name in /boot/*/*.conf lilo or
>>>> grub instead on "label"
>>>>
>>>>
>>>>
>>>>
>>> yeah, I try to boot it using "root=/dev/sda6" instead "root=LABEL=/"
>>> parameter, but the system still not booting...
>>>
>>>
>>>
>>>>
>>>>
>>>>> Mounting root filesystem
>>>>> mount: error 2 mouting ext3
>>>>>
>>>>>
>>>>>
>>>>>
>>>> Error 2 == ENOENT
>>>>
>>>>
>>>>
>>>>
>>> ENOENT? What it means?
>>>
>>>
>>
>> Was 'no such file', perhaps the device file was not created by `mkrootdev`
>> because it errored out???
>>
>> This is all 'Fedora' stuff, not Linux stuff. You should upgrade
>> your 'mkinitrd' (or rewrite it) so it doesn't use Fedora-specific
>> stuff if you intend to install an un-patched kernel.
>>
>>
> Dick, sorry about my newbie question: where can I find a mkinitrd source
> code to compile in my system?
>

Fedora Development.

>>
>>
>>
>>>>
>>>>
>>>>> Switchimg to new root
>>>>> ERROR opening /dev/console!!!!: 2
>>>>> switchroot: mount failed: 22
>>>>>
>>>>>
>>>>>
>>>>>
>>>> Error 22 = EINVAL
>>>>
>>>>
>>>>
>>>>
>>> EINVAL? What it means?
>>>
>>>
>>>
>>
>> Means 'wrong value'. Probably because the new root wasn't
>> mounted.
>>
>> [SNIPPED...]
>>
>>
>> In the meantime do:
>>
>> mknod /dev/sda6 b 8 6
>> mknod /dev/root b 8 6
>>
>> .. in your initrd script. This should get you past the errors.
>>
>>
> I made the changes you suggest in the initrd script and it was not able
> to create the necessary devices at boot time...
> In the meantime I also installed a new mkinitrd (from fedora devel,
> version 5.0.8-1), but it still not working...
>
> Any more ideas? When can I get the mkinitrd source code?
>

Fedora development.

Also, do what Alan said. You need to enable something (don't remember
what) when you compile the kernel. That lets the Fedora stuff work.

> thanks Dick.
> Márcio Oliveira
>
>>
>>
>>
>>>>> mount -o mode=0755 -t tmpfs /dev /dev
>>>>> mknod /dev/console c 5 1
>>>>> mknod /dev/null c 1 3
>>>>> mknod /dev/zero c 1 5
>>>>> mkdir /dev/pts
>>>>> mkdir /dev/shm
>>>>> echo Starting udev
>>>>> /sbin/udevstart
>>>>> echo -n "/sbin/hotplug" > /proc/sys/kernel/hotplug
>>>>> echo "Loading scsi_mod.ko module"
>>>>> insmod /lib/scsi_mod.ko
>>>>> echo "Loading sd_mod.ko module"
>>>>> insmod /lib/sd_mod.ko
>>>>> echo "Loading libata.ko module"
>>>>> insmod /lib/libata.ko
>>>>> echo "Loading ata_piix.ko module"
>>>>> insmod /lib/ata_piix.ko
>>>>> echo "Loading dm-mod.ko module"
>>>>> insmod /lib/dm-mod.ko
>>>>> sleep 10
>>>>> /sbin/fdisk -l
>>>>> sleep 10
>>>>> /sbin/udevstart
>>>>> echo Creating root device
>>>>> mkrootdev /dev/root
>>>>> echo Mounting root filesystem
>>>>> mount -o defaults --ro -t ext3 /dev/root /sysroot
>>>>> echo Switching to new root
>>>>> switchroot --movedev /sysroot
>>>>>
>>>>>

Cheers,
Dick Johnson
Penguin : Linux version 2.6.13.4 on an i686 machine (5589.55 BogoMips).
Warning : 98.36% of all statistics are fiction.

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