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Date:      Sat, 24 Dec 2011 14:43:20 GMT
From:      "Vladislav V. Prodan" <universite@ukr.net>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   misc/163587: The ULE scheduler does not load in the fourth core processor i3
Message-ID:  <201112241443.pBOEhKfn050445@red.freebsd.org>
Resent-Message-ID: <201112241450.pBOEoAos093040@freefall.freebsd.org>

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>Number:         163587
>Category:       misc
>Synopsis:       The ULE scheduler does not load in the fourth core processor i3
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Dec 24 14:50:09 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     Vladislav V. Prodan
>Release:        9.0
>Organization:
support.od.ua
>Environment:
FreeBSD update.xxx 9.0-PRERELEASE FreeBSD 9.0-PRERELEASE #0: Fri Dec 23 23:38:35 MSK 2011     root@update.xxx:/usr/obj/usr/src/sys/update.1  amd64

>Description:
http://i28.fastpic.ru/big/2011/1224/89/b0aa527ed051f352dc938d5c139be989.png

hw.machine: amd64
hw.model: Intel(R) Core(TM) i3-2100 CPU @ 3.10GHz
hw.ncpu: 4

Dec 23 23:41:07 update kernel: FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
Dec 23 23:41:07 update kernel: FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 SMT threads
Dec 23 23:41:07 update kernel: cpu0 (BSP): APIC ID:  0
Dec 23 23:41:07 update kernel: cpu1 (AP): APIC ID:  1
Dec 23 23:41:07 update kernel: cpu2 (AP): APIC ID:  2
Dec 23 23:41:07 update kernel: cpu3 (AP): APIC ID:  3


Maybe the problem is in the ACPI and/or hyperthreading?
>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted:



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