Hi,

I am not a Linux expert. I hope someone would kindly
me or give me some suggestions to fix the
problem.

I just installed a pre-made/customized Linux 2.6.x
kernel. I converted its installation package from the
..rpm format to a .deb format using alien command.
After the installation and a reboot, the machine hung
and shrew the following errors:

VFS: Cannot open root device "sda1" or
unknown-block(0,0)
Please append a correct "root=" boot option
Kernel panic- not syncing: VFS: Unable to mount root
fs on unknown-block(0,0)

Please . Many thanks

Yong


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On Thu, 14 Jun 2007 13:00:03 -0700 (PDT)
yong lee <ylee_95116@yahoo.com> wrote:

> Hi,
>
> I am not a Linux expert. I hope someone would kindly
> me or give me some suggestions to fix the
> problem.
>
> I just installed a pre-made/customized Linux 2.6.x
> kernel. I converted its installation package from the
> .rpm format to a .deb format using alien command.
> After the installation and a reboot, the machine hung
> and shrew the following errors:
>
> VFS: Cannot open root device "sda1" or
> unknown-block(0,0)
> Please append a correct "root=" boot option
> Kernel panic- not syncing: VFS: Unable to mount root
> fs on unknown-block(0,0)
>
> Please . Many thanks
>
> Yong
>
SCSI Hardisk? I think that in terms or Kernel Update rpm2deb facility it's slighly dangeorus, but in fact this can be several problems one at the time, one it's that the root partition couldn't be mounted because the /etc/fstab dosn't point to the right partition, another it's the type of hardisk, if you know what partition is, then in the boot screen of grub edit the kernel line and add the right partition, for example


kernel /boot/webdeveloper2.6.21.1 root=/dev/sda5 vga=791


where sda5 it's the right partition, if it doesn't work then might be that the kernel couldn't detect properly your hard drive (something strange ut could happen), what kind of disk is?

Orestes.


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yong lee <ylee_95116@yahoo.com>:
>
> I am not a Linux expert. I hope someone would kindly me or
> give me some suggestions to fix the problem.
>
> I just installed a pre-made/customized Linux 2.6.x kernel. I
> converted its installation package from the .rpm format to a .deb
> format using alien command. After the installation and a reboot,

Why? alien can be useful, but it's not a magic bullet. See Bob
Proulx' (sp?) recent post for an excellent exposition as to why. If
you still have the sources, try re-building with make-kpkg, or use
kernel.org kernel sources. Or just install Debian kernel source and
make-kpkg.


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On Thu, Jun 14, 2007 at 01:00:03PM -0700, yong lee wrote:
> I am not a Linux expert. I hope someone would kindly
> me or give me some suggestions to fix the
> problem.
>
> I just installed a pre-made/customized Linux 2.6.x
> kernel. I converted its installation package from the
> .rpm format to a .deb format using alien command.
> After the installation and a reboot, the machine hung
> and shrew the following errors:
>
> VFS: Cannot open root device "sda1" or
> unknown-block(0,0)
> Please append a correct "root=" boot option
> Kernel panic- not syncing: VFS: Unable to mount root
> fs on unknown-block(0,0)
>

Its bad enough to try to use non-debian applications (rpms) but to try
to use a non-debian kernel rpm when the debian fhs will likely differ?

The problem in this case is probably a mismatch in the initrd: the
kernel doesn't have the module to mount the root device built-in.

Backup.

Why do you need a non-debian-standard kernel? What problem are you
trying to solve?

Doug.


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