From owner-freebsd-current@FreeBSD.ORG Mon Nov 5 19:11:02 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1AFBA16A49E for ; Mon, 5 Nov 2007 19:11:02 +0000 (UTC) (envelope-from raj@csub.edu) Received: from mh1.csub.edu (mh1.csub.edu [136.168.1.95]) by mx1.freebsd.org (Postfix) with ESMTP id EE1DD13C4B0 for ; Mon, 5 Nov 2007 19:11:01 +0000 (UTC) (envelope-from raj@csub.edu) Received: from cserv65.csub.edu (cserv65.csub.edu [136.168.10.65]) by mh1.csub.edu (8.13.8/8.13.8) with ESMTP id lA5JApwg045938 for ; Mon, 5 Nov 2007 11:10:51 -0800 (PST) (envelope-from raj@csub.edu) Message-ID: <472F6ABB.3040807@csub.edu> Date: Mon, 05 Nov 2007 11:10:51 -0800 From: Russell Jackson User-Agent: Thunderbird 2.0.0.6 (X11/20070924) MIME-Version: 1.0 To: freebsd-current@freebsd.org References: <472E9D0B.5080409@csub.edu> In-Reply-To: <472E9D0B.5080409@csub.edu> Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms000706000509070700090902" Subject: Re: powerd adaptive mode latching X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Nov 2007 19:11:02 -0000 This is a cryptographically signed message in MIME format. --------------ms000706000509070700090902 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Russell Jackson wrote: > Powerd seems to latch at the maximum - 1 cpufreq setting while in > adaptive mode. This is 100% reproducible for me. It never un-wedges from > this state no matter how long I wait. > > $ powerd -a adaptive -b adaptive -v > powerd: using sysctl for AC line status > powerd: using devd for AC line status > idle time > 90%, decreasing clock speed from 1289 MHz to 966 MHz > idle time > 90%, decreasing clock speed from 966 MHz to 644 MHz > idle time > 90%, decreasing clock speed from 644 MHz to 322 MHz > idle time < 65%, increasing clock speed from 322 MHz to 966 MHz > idle time > 90%, decreasing clock speed from 966 MHz to 644 MHz > idle time > 90%, decreasing clock speed from 644 MHz to 322 MHz > idle time < 65%, increasing clock speed from 322 MHz to 966 MHz > idle time < 65%, increasing clock speed from 966 MHz to 1611 MHz > idle time < 65%, increasing clock speed from 1611 MHz to 2255 MHz > idle time < 65%, increasing clock speed from 2255 MHz to 2579 MHz > idle time > 90%, decreasing clock speed from 2579 MHz to 2578 MHz > idle time > 90%, decreasing clock speed from 2579 MHz to 2578 MHz > idle time > 90%, decreasing clock speed from 2579 MHz to 2578 MHz > . > . > . > > $ sysctl dev.cpu > dev.cpu.0.%desc: ACPI CPU > dev.cpu.0.%driver: cpu > dev.cpu.0.%location: handle=\_PR_.CPU0 > dev.cpu.0.%pnpinfo: _HID=none _UID=0 > dev.cpu.0.%parent: acpi0 > dev.cpu.0.freq: 1289 > dev.cpu.0.freq_levels: 2579/-1 2578/-1 2255/-1 1933/-1 1611/-1 1289/-1 > 966/-1 644/-1 322/-1 > dev.cpu.0.cx_supported: C1/1 C2/1 C3/85 C4/185 > dev.cpu.0.cx_lowest: C3 > dev.cpu.0.cx_usage: 0.00% 100.00% 0.00% 0.00% > > $ sysctl dev.ichss > dev.ichss.0.%desc: SpeedStep ICH > dev.ichss.0.%driver: ichss > dev.ichss.0.%parent: cpu0 > dev.ichss.0.freq_settings: 2579/-1 2578/-1 > > The ichss levels looked odd to me, and trying to set cpufreq=2578 is a NOOP. > > $ sysctl dev.cpu.0.freq=2578 > dev.cpu.0.freq: 2579 -> 2579 > > I'm running 7_RELENG from about a week ago. dmesg.boot attached. > I disabled ichss with hint.ichss.0.disabled=1, and the broken freq setting is gone, and powerd operates without wedging. So, I guess the real culprit is a broken ichss on my box; however, powerd might want to check the value of freq after trying to set it instead of getting stuck. -- Russell A. Jackson Network Analyst California State University, Bakersfield If the meanings of "true" and "false" were switched, then this sentence would not be false. --------------ms000706000509070700090902 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIL2DCC BegwggTQoAMCAQICCQC2yYqf6jv75zANBgkqhkiG9w0BAQUFADCB1DELMAkGA1UEBhMCVVMx EzARBgNVBAgTCkNhbGlmb3JuaWExFDASBgNVBAcTC0Jha2Vyc2ZpZWxkMTEwLwYDVQQKEyhD YWxpZm9ybmlhIFN0YXRlIFVuaXZlcnNpdHksIEJha2Vyc2ZpZWxkMRkwFwYDVQQLExBOZXR3 b3JrIFNlcnZpY2VzMS8wLQYDVQQDEyZDU1UsIEJha2Vyc2ZpZWxkIENlcnRpZmljYXRlIEF1 dGhvcml0eTEbMBkGCSqGSIb3DQEJARYMbm9jQGNzdWIuZWR1MB4XDTA3MTAxMjAyMDY0MFoX DTA4MTAxMTAyMDY0MFowgcAxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlhMRQw EgYDVQQHEwtCYWtlcnNmaWVsZDExMC8GA1UEChMoQ2FsaWZvcm5pYSBTdGF0ZSBVbml2ZXJz 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