NetBSD Problem Report #38798

From martin@duskware.de  Fri May 30 13:58:24 2008
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Date: Fri, 30 May 2008 13:22:04 +0000 (UTC)
From: 10.50@free.fr
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To: netbsd-bugs-owner@NetBSD.org
Subject: 2nd CPU of a Core 2 duo CPU won't come ready
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>Number:         38798
>Category:       kern
>Synopsis:       2nd CPU of a Core 2 duo CPU won't come ready
>Confidential:   no
>Severity:       critical
>Priority:       low
>Responsible:    kern-bug-people
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri May 30 14:00:01 +0000 2008
>Closed-Date:    Mon Dec 23 23:30:25 +0000 2013
>Last-Modified:  Mon Dec 23 23:30:25 +0000 2013
>Originator:     Vincent Habchi
>Release:        4.99.62/63
>Organization:
>Environment:
NetBSD vincent.local 4.99.62 NetBSD 4.99.62 (DELL) #37: Tue May  6 10:26:46 CEST 2008  vincent@vincent.local:/usr/src/sys/arch/i386/compile/DELL i386
>Description:
On my DELL Inspiron 530 machine, bundled with a Core 2 Duo CPU,
cpu0: "Intel(R) Core(TM)2 Duo CPU     E4500  @ 2.20GHz",

the second core will not come ready. The kernel crashes a while after because it doesn't expect this behavior.

FreeBSD 7.0 and Linux/Ubuntu happily boot both the second CPU with no problem, so it does not seem to be a BIOS issue.
>How-To-Repeat:

>Fix:
Change BIOS setting to disable MP or boot a UP kernel. This is no fix but a ugly workaround.

>Release-Note:

>Audit-Trail:

State-Changed-From-To: open->feedback
State-Changed-By: riz@NetBSD.org
State-Changed-When: Thu, 17 Jun 2010 00:32:10 +0000
State-Changed-Why:
if you still have this hardware, can you try a newer kernel, like
5.1_RC3 or even NetBSD-current?


State-Changed-From-To: feedback->closed
State-Changed-By: dholland@NetBSD.org
State-Changed-When: Mon, 23 Dec 2013 23:30:25 +0000
State-Changed-Why:
feedback timeout


>Unformatted:

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