contigmalloc() lameness (Re: boot problem in HP Proliant ML370 G4)

[Kris Kennaway]

On Mon, Apr 03, 2006 at 12:56:57PM +0900, Ganbold wrote:
> Here is dmes.boot and pciconf output on FreeBSD-6.0-RELEASE.
> Boot takes 3-4 minutes after "da0: 140014MB (286749488 512 byte sectors: 
> 255H 63S/T 17849C)" line and continues.
> I will try to upgrade again to 6.1-PRERELEASE later today. I did before 
> and the problem still was there.

The mpt driver calls contigmalloc in a way that takes ages to run
because it was poorly rewritten some time ago.  Scottl partially fixed
it on 7.0 (after the problem became much worse there - it was taking
over 40 minutes instead of 4) but the change is not complete enough to
back-port yet.

Kris
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