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    SubjectRe: Kernel Panic + Intel SATA
    Date
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    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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