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Re: further help on debugging a hang
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Re: further help on debugging a hang



On Wed, Dec 13, 2006 at 09:17:40PM +0100, Giuliano Gavazzi wrote:
> Thanks to all for the advice. I knew of the Kernel Debug Kit, my main
> problem was to be sure that the correct key to press for an NMI was
> the recessed and not the prominent one (the first hit I found was
> indeed from someone who was thinking from inside the computer, and
> was, incorrectly for us outside, defining the NMI as the convex one...).
>
> Unfortunately a hang means that I have too much information and not a
> nice kernel panic that usually happens near the source of trouble.
>
> If anyone accustomed to kernel dump's showallstacks would like to
> have a look at it:
>
> http://www.humph.com/tmp/dump.txt
>
> it's about 350KB 6536 lines.
>
> I have sent this same file to ACARD for them to examine.

I'm no Darwin guru, but given the number of threads sleeping in
various hfs_vnop_* routines, it's almost definitely disk related.
I'd hope ACARD can give you further instructions to debug the hung
system state. At least it doesn't look like a vnode deadlock, IMHO.

Cheers,
--
stix
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References: 
 >further help on debugging a hang (From: Giuliano Gavazzi <email@hidden>)
 >Re: further help on debugging a hang (From: "Brian Bechtel" <email@hidden>)
 >Re: Re: further help on debugging a hang (From: "Brian Bechtel" <email@hidden>)
 >Re: further help on debugging a hang (From: Garth Cummings <email@hidden>)
 >Re: further help on debugging a hang (From: Giuliano Gavazzi <email@hidden>)



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