On Fri, 14 Oct 2005, Márcio Oliveira wrote:
> Randy.Dunlap wrote:
>
> >On Fri, 14 Oct 2005, Steven Rostedt wrote:
> >
> >
> >
> >>On Fri, 14 Oct 2005, Márcio Oliveira wrote:
> >>
> >>
> >>
> >>>Hi there!
> >>>
> >>> I am migrating my linux laptop from a kernel 2.4.27-2 to a 2.6.12.6
> >>>one. Since I compiled the 2.6.12.6 kernel and booted my laptop, I am
> >>>receiving the following message when chose the 2.6.12.6 entry in the
> >>>grub menu:
> >>>
> >>>mount: mount point dev does not exist
> >>>pivot_root: No such file or directory
> >>>/sbin/init: 432: cannot open dev/console: No such file
> >>>Kernel panic - not syncing: Attempted to kill init!
> >>>
> >>> But when I chose the 2.4.27 entry in the grub meno, my laptop boots ok!
> >>>
> >>> My laptop is running Debian Sarge 3.1a, kernel 2.4.27-2 (that it is
> >>>booting ok) and kernel 2.4.6.12.6 (kernel.org kernel). I compiled the
> >>>2.6.12.6 kernel with all needed modules (sata disk, ext3 ... including
> >>>devfs support), maked a initrd image with the necessary modules to mount
> >>>the / partition (sata modules, file system modules...) and changed the
> >>>disks names in the /etc/fstab from hda to sda (as it is recognized at
> >>>2.6.12.6 kernel bootup process). The laptop model is IBM Thinkpad T43.
> >>>
> >>>
> >>That hda to sda looks funny. I didn't know the T43 has a SCSI (which I'm
> >>pretty sure it doesn't).
> >>
> >>
> >
> >It may have SATA, which would show up as sda.
> >
> >
>
> yeah, my laptop has SATA disks and it is recognized as a sda disk...
>
> >Do you have all of the necessary SATA drivers and sd.o (sd.ko
> >if modules) present?
> >
> >
>
> I think I do. The SATA controller is recognized at the boot time and
> the driver loaded is ata_piix, the boot process messages also shows the
> partiotion table.
I think that you need the ahci driver for SATA (if ata_piix is
applicable to your hardware, i.e., ICH-something).
That is, if you are using it in SATA mode and not PATA
emulation mode (in BIOS setup somewhere usually).
> All modules dependences are in the initrd file (scsi_mod, libata,
> sd_mod) and the initrd file has the /dev/console device. The laptop
> kernel doesn't have the "sd.ko" module, I think in my case the module sd
> is the sd_mod, right?
That's right.
> >
> >
> >>>Any ideia? Anybody knows why it is happen?
> >>>
> >>>
> >>>
> >>Are you sure the initrd was correctly made. That pivot_root seems to
> >>suggest that it wasn't. You're using Debian. When I went from 2.4 to 2.6
> >>I just used aptitude (or apt-get) to get the 2.6 kernel first, and let the
> >>package manager make all the necessary changes for me. I also usually
> >>don't use an initrd and just compile in the drivers for my ide and
> >>filesystems.
> >>
> >>
>
> I got the sarge official kernel package with all dependences (via
> apt-get), installed it and the new kernel has the same problem that the
> manualy compiled one has!
>
> Any ideias?
--
~Randy
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