NetBSD Problem Report #39001

From www@NetBSD.org  Fri Jun 20 15:02:06 2008
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Date: Fri, 20 Jun 2008 15:02:06 +0000 (UTC)
From: jkb@systella.fr
Reply-To: jkb@systella.fr
To: gnats-bugs@NetBSD.org
Subject: More than two processors on sparc32
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>Number:         39001
>Category:       kern
>Synopsis:       More than two processors on sparc32
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Jun 20 15:05:00 +0000 2008
>Originator:     BERTRAND JoŽl
>Release:        4.0
>Organization:
>Environment:
NetBSD riemann 4.0 NetBSD 4.0 (GENERIC.MP) #0: Sun Dec 16 02:23:20 PST 2007  builds@wb29:/home/builds/ab/netbsd-4-0-RELEASE/sparc/200712160005Z-obj/home/builds/ab/netbsd-4-0-RELEASE/src/sys/arch/sparc/compile/GENERIC.MP sparc

>Description:
I have several SS20 workstations with SM71 and RT626@200. When I try to boot NetBSD on a SS20 that runs more than two processors, system randomly crashes with "watchdog error, NMI interrupt".

I have made some tests:
- system is stable with two RT626 (one dual RT626 or two single modules)
- system is unstable with three or four RT626.

I have tested different hardwares, thus I'm sure that hardwares work fine.
>How-To-Repeat:
Install more than three processors (maybe only HyperSPARC...) on SS20 and wait.
>Fix:

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