Early panic at boot: exclusive sleep mutex hdac1 (HDA driver mutex) ...

[David Wolfskill]

On Thu, Mar 19, 2015 at 07:23:19AM -0700, David Wolfskill wrote:
> As noted in a thread on -mobile yesterday, I'm replacing my long-serving
> Dell M4400 laptop with a newer model (M4800) -- you can see -mobile
> archives for additional details if you're interested.
> 
> What prompted this note was:
> * When I tried to boot head/i386, I got a rather quick panic (well
>   before any file systems were mounted -- and before any swap space was
>   allocated, so I didn't have a place for a crash dump.
> ...

I was able to copy over a GENERIC head/r280342 kernel from my build
machine to the laptop; that booted, and I was then able to do a source
"upgrade" on the laptop:

FreeBSD g1-254.catwhisker.org 11.0-CURRENT FreeBSD 11.0-CURRENT #1546  r280342M/280343:1100066: Sun Mar 22 10:45:54 PDT 2015     root at g1-254.catwhisker.org:/common/S4/obj/usr/src/sys/CANARY  i386

So I should be able to resume daily tracking of head on my laptop. :-)

(I also reviewed my kernel config file; it turns out that all of
the sound-related stuff had been commented out, so I removed all
of those lines: all other things being equal, I prefer "simpler.")

Peace,
david
-- 
David H. Wolfskill				david at catwhisker.org
Those who murder in the name of God or prophet are blasphemous cowards.

See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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