Fred, have a look at this:

http://blogs.sun.com/roller/page/dmick?entry=diagnosing_kernel_hangs_panics_with

let me know if it helps.

F. Senault wrote:
Hello all.

A few days ago, I decided to install and fiddle a bit with OpenSolaris
(I'm coming mostly from a FreeBSD backgroud).

The install went more or less smoothly, I began to setup a few
applications, and, then, I tried to build the system from source (the
20050612 tarball, I think), following the instructions in the various
docs.

The, I used bfu, made the appropriate config updates, and rebooted.

The system never came up.  Grub appears, I launch the appropriate
config, the first "SunOS 5.11..." message appears, then the screen goes
black, and the machine reboots.  Tried with different hardware, still
the same.

On the other hand, the "mini" recovery kernel installed with the system
still boots normally, and gives me access to a shell.  (And I have
written down the different mountpoints.)

So, my question is twofold : first, what can I do to investigate the
problem, and, second, given that I have a emergency shell available,
what can I do to recover the system ?

I tried to look through the different Sun Docs, but it seems that
nothing ever goes wrong in those...  :)

Fred

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