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Date:      Tue, 30 Jan 2007 22:42:14 GMT
From:      Lars Stokholm<lars.stokholm@gmail.com>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   misc/108581: sysctl: hw.acpi.cpu.cx_lowest: Invalid argument
Message-ID:  <200701302242.l0UMgEIq011995@www.freebsd.org>
Resent-Message-ID: <200701302250.l0UMoIEs013850@freefall.freebsd.org>

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>Number:         108581
>Category:       misc
>Synopsis:       sysctl: hw.acpi.cpu.cx_lowest: Invalid argument
>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:   Tue Jan 30 22:50:17 GMT 2007
>Closed-Date:
>Last-Modified:
>Originator:     Lars Stokholm
>Release:        6.2-STABLE
>Organization:
>Environment:
FreeBSD lars-desktop 6.2-STABLE FreeBSD 6.2-STABLE #1: Tue Jan 30 09:01:26 CET 2007     lars@lars-desktop:/usr/obj/usr/src/sys/GENERIC  i386
>Description:
During boot of FreeBSD this error occurs:

hw.acpi.cpu.cx_lowest: C1
sysctl: hw.acpi.cpu.cx_lowest: Invalid argument

I believe the call to sysctl is made from /etc/rc.d/power_profile, but I'm not sure.

There was no problem running 6.2-RELEASE and no problems aswell (I think) until around the day this commit was made: http://lists.freebsd.org/pipermail/cvs-src/2007-January/073809.html

Downgrading to 6.2-RELEASE and the problem goes away - upgrading again to 6.2-STABLE and it's back. I have made little changes in configuration and none of them having to do with things like this.

PC is Medion 8080XL
Motherboard is MSI MS-7012
CPU is Pentium 4
>How-To-Repeat:
The problem occurs at startup, but can be forced with this command:

# sysctl hw.acpi.cpu.cx_lowest=C1
hw.acpi.cpu.cx_lowest: C1
sysctl: hw.acpi.cpu.cx_lowest: Invalid argument

"C1" is what power_profile uses, because of this:

# sysctl dev.cpu.0.cx_supported
dev.cpu.0.cx_supported: C1/0
>Fix:

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



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