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SubjectRe: Kernel Panic + Intel SATA
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?

>
>
>
>>>
>>>
>>>>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?

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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>
>Thank you.
>
>

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