misc/108581: sysctl: hw.acpi.cpu.cx_lowest: Invalid argument
Lars Stokholm
lars.stokholm at gmail.com
Tue Jan 30 22:50:18 UTC 2007
>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 at 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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