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Date:      Sun, 30 Aug 1998 13:24:03 +0900
From:      Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
To:        Paul Haddad <paul@pth.com>
Cc:        freebsd-smp@FreeBSD.ORG, yokota@zodiac.mech.utsunomiya-u.ac.jp
Subject:   Re: Problem with spl0() IFCPL_LOCK/ss_lock 
Message-ID:  <199808300424.NAA22220@zodiac.mech.utsunomiya-u.ac.jp>
In-Reply-To: Your message of "Sat, 29 Aug 1998 11:44:19 GMT." <35E7E993.94D6FE71@pth.com> 
References:  <35E7E993.94D6FE71@pth.com> 

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This is a wild guess, but...

>I'm trying to run my HP Netserver LS4/100 in SMP mode (with
>freebsd-current), it works fine in single processor mode but turning on
>SMP causes it to hang right after the following line
>npx0: INT 16 interface

I suppose that it is just before/during apm0 is probed, if you have
apm0 enabled. If that's the case with your box, how about disabling
apm0?

We have seen so many troubles related to buggy apm BIOS, haven't we?

Kazu

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