Re: Kernel Panic + Intel SATA

[Márcio Oliveira <moliveira@rhla.com>]

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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