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SubjectRe: Upgrade to 2.4.16 produces "Kernel panic: No init found"
Tyler,

I do not have it on my lilo.conf file:

Here's my lilo with both the initrd enabled image and the
image with all my SCSI drivers compiled in.

boot=/dev/sda
map=/boot/map
install=/boot/boot.b
prompt
timeout=50
message=/boot/message
linear
default=linux-up

image=/boot/vmlinuz-2.4.2-2smp
label=linux
initrd=/boot/initrd-2.4.2-2smp.img
read-only
root=/dev/sda1

image=/boot/vmlinuz-2.4.2-2
label=linux-up
initrd=/boot/initrd-2.4.2-2.img
read-only
root=/dev/sda1

image=/boot/vmlinuz-2.4.9-12smp
label=2.4.9smp
initrd=/boot/initrd-2.4.9-12smp.img
append="root=/dev/ram0 init=/linuxrc rw"

image=/boot/vmlinuz-2.4.9-12-smp-4th
label=custom
read-only
append="root=/dev/sda1"

With the same results: Kernel panic: can not mount root "sda1"


Thanks in advance.

joy


Tyler BIRD wrote:

> Lilo might be configured to load a initial ramdisk
> check for a initrd=xxx line in lilo.conf and remove it.
>
> Then make sure all drivers including scsi, etc are compiled in and reboot
> pivot_root is a routine that changes the root filesystem that is on the ramdisk
> to the newly mounted filesystem from the hardisk
>
> This will definetly fail if the initrd couldn't be loaded din the first place
>
> >>> Joy Almacen <joy@empexis.com> 12/11/01 06:10AM >>>
> Bob,
>
> I have a similar problem. My distro is RH7.1 and running on aCompaq Proliant
> 6000.
> The original install boots fine, but is only running on UP not SMP. I grabbed
> the
> latest kernel from RH site and the upgraded utilities, SysVinit and all.
> I even compiled into the kernel the scsi_mod and sd_mod as well as my
> SCSI card driver sym53c8xx but to no avail. It seems that for this
> pivot_root
> call wont work if you do not have dev and loop compiled into the kernel.
> I will recompile the kernel with both selected to find out if this is true.
>
> So far however, I have tried both:
>
> 1. Creating an initrd for my kernel version that has SCSI drivers as modules,
>
> 2. Compiling the drivers into the kernel with basically the same results, the
> kernel panicking either
> it can not mount the root file system( which is still ext2) or no init being
> found.
>
> See the docs on initrd fro your kernel as you amy have to change your
> lilo.conf
> to pass parameters to the kernel thru "append" depending on whether you have
> devfs support enabled or not.
>
> I have been trying to fix this for 3 days now and have , like you had said "
> google'd myself silly".
>
> I will let you know if I get any luck booting.
>
> I would also appreciate it if you can let me know if you have a known fix or
> at least the issue that's causing
> this.
>
> Thanks,
>
> Joy
>
> vda wrote:
>
> > On Monday 10 December 2001 17:41, Bob Poortinga wrote:
> > > Hello kernel gurus,
> > >
> > > I have searched the list archives and google'd myself silly, but I
> > > can't seem to find a solution to my problem.
> > >
> > > I am trying to update my 2.4.3 kernel (Mandrake 8.0 distro) to 2.4.16.
> > > I did a 'make oldconfig' with my old .config file and added ext3 kernel
> > > support in addition to ext2. My root fs is ext2 (as are all my fs).
> > > The new kernel boots but panics when it tries to mount the root fs.
> > > Here is the error:
> > > --------------------------------------------------------------------
> > > Mounting /proc filesystem
> > > Creating root device
> > > Mounting root filesystem
> > > pivotroot: pivot_root(/sysroot,/sysroot/initrd) failed: 2
> > > Freeing unused kernel memory: 216k freed
> > > Kernel panic: No init found. Try passing init= option to kernel.
> >
> > Using initrd I guess?
> > Please describe your boot process.
> >
> > Initrd support broke between 2.4.10 and 2.4.12, it does not like romfs and
> > minix initrds anymore. I have a testcase.
> > --
> > vda
> > -
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