Re: [SOLVED] Dell PowerEdge 2850 kernel panic.

[Eric Gaumer <gaumerel@ecs.fullerton.edu>]

Michael Bellears wrote:
> > Michael Bellears wrote:
> >
> > > Debian-Installer RC2 (Downloaded 28/12/2004).
> > >
> > > 3 x 72.8 SCSI drives in Raid 5.
> > >
> > > Install successfully detects raid controller, and allows 
> >
> > partitioning 
> >
> > > and installs boot-loader(Grub) successfully - but upon 
> >
> > reboot, I get a 
> >
> > > kernel panic:
> > >
> > > Pivot_root: No such file or directory
> > > /sbin/init: 426: cannot open dev/console: no such file 
> >
> > Kernel panic: 
> >
> > > Attempted to kill init!
>
>
> Basically, D-I does not load the megaraid2 module, so first reboot fails
> with the above.
>
> To solve:
>
> - Prior to first reboot of D-I Installer (Just before Grub/Lilo
> section), I alt+F2 to get a new console, then chroot'd into /target
>
> - Then added megaraid2 to /etc/mkinitrd/modules
>
> - mount -tproc none /proc
>
> - cp /boot/initrd.img-2.4.27-I-386 /boot/initrd.img-2.4.27-I-386.ORIG
>
> - mkinitrd -o /boot/initrd.img-2.4.27-I-386 (Makes new initrd image)
>
> - exit from chroot
>
> - alt+F1 to get back to installed screen
>
> - Run lilo step (Or Grub)
>
> - Reboot, and all is good.
>
> Thanks to Eric for his assistance.


Just one last note for the sake of documenting this problem for others who follow:

The megaraid2 module is for 2.4 kernels. If you're doing this on 2.6 then follow Michael's 
steps but replace megaraid2 with megaraid_mm and megaraid_mbox.

-Eric

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