From owner-freebsd-scsi@FreeBSD.ORG  Fri Mar 24 21:55:12 2006
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Date: Sat, 25 Mar 2006 00:54:43 +0300 (MSK)
From: Oleg Sharoiko <os@rsu.ru>
To: John Baldwin <jhb@freebsd.org>
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Cc: freebsd-scsi@freebsd.org, Andrey Beresovsky <and@rsu.ru>
Subject: Re: Boot hangs on ips0: resetting adapter, this may take up to 5
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On Fri, 24 Mar 2006, John Baldwin wrote:

JB>> 345,000 interrupts from scpi0 seems high.
JB>Yeah, I guess it might be.  It's smaller than the bge interrupt storm
JB>number. :)

I just didn't let it generate that many interrupts. I send break sooner 
than in bge case. :)

JB>Yeah, level/high seems weird.  Try setting either
JB>'hw.acpi.sci.trigger=edge' or 'hw.acpi.sci.polarity=low' from the loader
JB>to see if that makes your machine happier.

Ok. I will. As soon as I poweroff/poweron that box. I played with 
different kernels and booted one which don't support breaking into DDB 
from serial line. :(

I've found an interesting thread on netbsd mailing list. 
http://mail-index.netbsd.org/port-amd64/2006/03/
With subject "Re: Bug in x86 ioapic interrupt code for devices with shared 
interrupts?". May this relate to my problems?

-- 
Oleg Sharoiko.
Software and Network Engineer
Computer Center of Rostov State University.