On Thu, Dec 16, 2010 at 12:27 PM, Ferenc Wagner <wf...@niif.hu> wrote:
> tag 606976 +moreinfo
> thanks
>
> Taro Sato <ubu...@gmail.com> writes:
>
>> I've tried d-i beta 2 on Dell XPS 630i.  I first tried creating a USB
>> memory stick with the installer .iso on it (following a standard
>> procedure); the install USB stick works on my other computer (Lenovo
>> T410s).  However, on 630i it always fails at the beginning of the
>> install process.  The message, when kernel panics, typically goes like
>> this:
>>
>> ... (no apparent error messages thru this point) ...
>> [0.597991] List of all partitions:
>> [0.600310] No filesystem could mount root, tried:
>> [0.602749] Kernel panic - not syncing: VFS: Unable to mount root fs on
>> unknown-block(8,3)
>> ... (call trace output after this) ...
>>
>> (This output is from an attempt to use CD install medium.)
>
> Hi,
>
> I have to say that all of this looks very much out of place.  First of
> all, the boot menu should start the kernel with the "quiet" parameter,
> so you should see no messages before the kernel panic.
>
>  1. Did you edit the command line in the boot loader or by any other
>    means?
>
>  2. What was your exact sequence of actions after powering on your
>    computer with the CD in the drive?
>
> The above message indicates that no initramfs was loaded with the
> kernel, or maybe it was corrupt.  If you didn't remove the "quiet"
> parameter from the kernel command line, you'd see the message
>
>    Initramfs unpacking failed: junk in compressed archive
>
> in the latter case.
>
>  3. What messages do you get with the "quiet" parameter?
>
> You could also try writing the mini.iso downloaded from
> http://ftp.nl.debian.org/debian/dists/testing/main/installer-amd64/current/images/netboot/mini.iso
> to a pendrive and test that.  If you pendrive (the full device) is
> /dev/sdb, then just do
>
>    cat mini.iso >/dev/sdb
>
> and try to boot from the pendrive.  This is very similar to the method
> used for HD media, except that boot.img.gz is compressed.


1.  Yes, in troubleshooting I did remove the "quiet" parameter.  But
that only gave me more verbose diagnostics, and the symptom doesn't
change.  If I left the quiet parameter, it only shows this line:

[0.602749] Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(8,3)


2. I popped in the install CD right after powering on the box, hit F12
to change the boot device temporarily (to CD or USB).  The Debian
installaer starts with the logo and the menu.  I choose "Install" and
the next thing is the kernel panic.

As for:

Initramfs unpacking failed: junk in compressed archive

I've never seen this message, though it might be possible that's
something scrolls out of the screen when the boot process spews out
the log message till the kernel panic.  I don't know how to capture
it.


3. That's my response to 1 above.


I just tried the mini.iso on a USB stick and I see exactly the same
kernel panic.

(In order to get the system back up, I installed Lenny first, and then
installed Squeeze from a hard disk partition which ended up very
successful.  Wonder what the difference is.)

Taro



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