Re: Continuing the saga: F9alpha AMD-64 HP DC7700 SFF switch_root: no filesystems

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On Mar 11, 2008, at 8:32 PM, John Summerfield wrote:

Michal Jaegermann wrote:
On Tue, Mar 11, 2008 at 04:59:50PM +0900, John Summerfield wrote:
Note that the ATA buses are detected - a full transcription is here:
https://bugzilla.redhat.com/process_bug.cgi
https://bugzilla.redhat.com/show_bug.cgi?id=436099
Try again, please. (I made the same "copy-and-waste" in a hurry
mistakes in the past. :-)

I normally double-click and that doesn't stop at the "?." I am cursed with the "swapped buttons" bug and that's been making lide difficult.

https://bugzilla.redhat.com/show_bug.cgi?id=436099
and so's the SATA DVD drive, Just not the two SATA drives.
Does the following look familiar?
Looks familiar, but I don't think it's the same. I don't get a timeout. B'sides, mine's Intel CPU and chips.

https://bugzilla.redhat.com/show_bug.cgi?id=436591
Note also URL references mentioned in comments.  What about

nvidia chips. Mine are Chipzilla.
http://lkml.org/lkml/2008/3/9/136
and other messages in the same thread?  If that is the case
then maybe 'irqpoll' has a chance to alleviate the problem
at least enough to boot?
  Michal

The Jones boy think it's mkinitrd. I'm sceptical, it the same works for other kernels, but I do wish it would go away.

There were a *lot* of people who were unable to boot after we moved to pre-release 2.6.25 kernels:

0) mkinitrd figures out what device types / modules it's dealing with by poking around in /sys.
1) There are big changes in the layout of /sys in 2.6.25 kernels.
2) Therefore, initrds created for 2.6.25 kernels fail under certain (common) conditions.

So, nearly all of the "cannot find /dev/root" problems we've seen have been mkinitrd-related. So davej is correct: it is very likely to be a mkinitrd bug. It *might* actually be something in the sata driver.. but I can't really tell one way or the other.

What's your disk layout / fstab look like?

-w

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