From owner-freebsd-acpi@FreeBSD.ORG Mon Feb 23 11:01:52 2009 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 198BE106564A for ; Mon, 23 Feb 2009 11:01:52 +0000 (UTC) (envelope-from gseanmcg@gmail.com) Received: from el-out-1112.google.com (el-out-1112.google.com [209.85.162.180]) by mx1.freebsd.org (Postfix) with ESMTP id C9ED48FC1D for ; Mon, 23 Feb 2009 11:01:51 +0000 (UTC) (envelope-from gseanmcg@gmail.com) Received: by el-out-1112.google.com with SMTP id r27so1338540ele.13 for ; Mon, 23 Feb 2009 03:01:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type; bh=eizHO+h6jfsBoVVJzGVZ4UB+wPO8FI/9amHskQilW3I=; b=mxOxF22+6zP0DqIX8AqfXzIyWs34+OCJncaNLiVTUO8kStylOxk+83neE9xObjkIl+ rmROCzkrVf3GdcHKT2cvaIBiBgng/IBvinI40ei2HKhL5hDcmVV9Iad7691BIP98ZP7C eNtRukL+J1xOzWH1C4vh413vXaBCS84gN4Ug8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=oQnrLpUBXAmTYZzY9/Yue0P1kzgmck92xO7iQofp/kX01TIefqlA0xRT5D0RyIL1U9 DKX7eJxn4QQZyASpDulfGRubNEpZqWJFEyXO51gzfWY6ChhSD/pFOSsgiRi1LA61xWaO tfj1wS+/QA6BZRGF3k7UaOWH8KA/iP3eQAtAo= MIME-Version: 1.0 Received: by 10.231.20.5 with SMTP id d5mr5795755ibb.25.1235384950923; Mon, 23 Feb 2009 02:29:10 -0800 (PST) Date: Mon, 23 Feb 2009 05:29:10 -0500 Message-ID: <93b4751c0902230229m60a2c1ebj2339b8019ef5b542@mail.gmail.com> From: Sean McGovern To: freebsd-acpi@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: machine does not wake from S3 STR X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Feb 2009 11:01:52 -0000 I have a Intel Pentium 4 530J (3.0GHz with the NX-bit) on an Asus P5GD1-VM and I am currently unable to resume via the keyboard, mouse or power button after putting the machine into S3 suspend. As per section 11.16.1 of the FreeBSD handbook: Here is the sysctl hw.acpi output: hw.acpi.supported_sleep_state: S1 S3 S4 S5 hw.acpi.power_button_state: S3 -- I set this and sleep_button_state to S3 in /etc/sysctl.conf, it was originally S5 hw.acpi.sleep_button_state: S3 hw.acpi.lid_switch_state: NONE hw.acpi.standby_state: S1 hw.acpi.suspend_state: S3 hw.acpi.sleep_delay: 1 hw.acpi.s4bios: 0 hw.acpi.verbose: 0 hw.acpi.disable_on_reboot: 0 hw.acpi.handle_reboot: 0 hw.acpi.reset_video: 0 hw.acpi.cpu.cx_lowest: C1 # acpidump -dt > sean-Intel-Pentium4-530J.asl acpidump: RSDT entry 2 (sig OEMB) is corrupt -- should I be concerned about this? My ASL dump is available at: http://icchan.homeip.net/sean-Intel-Pentium4-530J.asl As it is also lengthy, dmesg output is available at: http://icchan.homeip.net/dmesg.out I would appreciate any and all suggestions you might have on this issue. Thanks in advance, Sean From owner-freebsd-acpi@FreeBSD.ORG Mon Feb 23 11:06:47 2009 Return-Path: Delivered-To: freebsd-acpi@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 491A610656DF for ; Mon, 23 Feb 2009 11:06:47 +0000 (UTC) (envelope-from owner-bugmaster@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 343CD8FC23 for ; Mon, 23 Feb 2009 11:06:47 +0000 (UTC) (envelope-from owner-bugmaster@FreeBSD.org) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id n1NB6l1C055408 for ; Mon, 23 Feb 2009 11:06:47 GMT (envelope-from owner-bugmaster@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id n1NB6kv4055404 for freebsd-acpi@FreeBSD.org; Mon, 23 Feb 2009 11:06:46 GMT (envelope-from owner-bugmaster@FreeBSD.org) Date: Mon, 23 Feb 2009 11:06:46 GMT Message-Id: <200902231106.n1NB6kv4055404@freefall.freebsd.org> X-Authentication-Warning: freefall.freebsd.org: gnats set sender to owner-bugmaster@FreeBSD.org using -f From: FreeBSD bugmaster To: freebsd-acpi@FreeBSD.org Cc: Subject: Current problem reports assigned to freebsd-acpi@FreeBSD.org X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Feb 2009 11:06:47 -0000 Note: to view an individual PR, use: http://www.freebsd.org/cgi/query-pr.cgi?pr=(number). The following is a listing of current problems submitted by FreeBSD users. These represent problem reports covering all versions including experimental development code and obsolete releases. S Tracker Resp. Description -------------------------------------------------------------------------------- o kern/130683 acpi [ACPI] shutdown hangs after syncing disks - ACPI race? o i386/129953 acpi [acpi] ACPI timeout (CDROM) with Shuttle X27D o kern/129618 acpi [acpi] Problem with ACPI on HP Pavilion DV2899 laptop o kern/129563 acpi [acpi] sleep broken on IBM/Lenovo T61 in amd64 mode o kern/128639 acpi [patch] [acpi_asus] acpi for ASUS A6F,A3E,A3F,A3N not f kern/128634 acpi [patch] fix acpi_asus(4) in asus a6f laptop o kern/127581 acpi [patch] [acpi_sony] Add support for more Sony features o kern/124744 acpi [acpi] [patch] incorrect _BST result validation for To o kern/124412 acpi [acpi] power off error on Toshiba M40 laptop o kern/123039 acpi [acpi] ACPI AML_BUFFER_LIMIT errors during boot o kern/121504 acpi [patch] Correctly set hw.acpi.osname on certain machin f kern/121454 acpi [pst] Promise SuperTrak SX6000 does not load during bo o kern/121102 acpi [acpi_fujitsu] [patch] update acpi_fujitsu for the P80 o kern/120515 acpi [acpi] [patch] acpi_alloc_wakeup_handler: can't alloc o kern/119356 acpi [acpi]: i386 ACPI wakeup not work due resource exhaust o kern/119200 acpi [acpi] Lid close switch suspends CPU for 1 second on H o kern/118973 acpi [acpi]: Kernel panic with acpi boot o kern/117605 acpi [acpi] [request] add debug.cpufreq.highest o kern/116939 acpi [acpi] PCI-to-PCI misconfigured for bus three and can o i386/114562 acpi [acpi] cardbus is dead after s3 on Thinkpad T43 with a o kern/114165 acpi [acpi] Dell C810 - ACPI problem s kern/112544 acpi [acpi] [patch] Add High Precision Event Timer Driver f o kern/108954 acpi [acpi] 'sleep(1)' sleeps >1 seconds when speedstep (Cx o kern/108695 acpi [acpi]: Fatal trap 9: general protection fault when in o kern/108581 acpi [sysctl] sysctl: hw.acpi.cpu.cx_lowest: Invalid argume o kern/108488 acpi [acpi] ACPI-1304: *** Error: Method execution failed o kern/108017 acpi [acpi]: Acer Aspire 5600 o kern/106924 acpi [acpi] ACPI resume returns g_vfs_done() errors and ker o kern/105537 acpi [acpi] problems in acpi on HP Compaq nc6320 o kern/104625 acpi ACPI on ASUS A8N-32 SLI/ASUS P4P800 does not show ther o kern/102252 acpi acpi thermal does not work on Abit AW8D (intel 975) o kern/97383 acpi Volume buttons on IBM Thinkpad crash system with ACPI s i386/91748 acpi acpi problem on Acer TravelMare 4652LMi (nvidia panic, s kern/91038 acpi [panic] [ata] [acpi] 6.0-RELEASE on Fujitsu Siemens Am s kern/90243 acpi Laptop fan doesn't turn off (ACPI enabled) (Packard Be f kern/89411 acpi [acpi] acpiconf bug o i386/83018 acpi [install] Installer will not boot on Asus P4S8X BIOS 1 o kern/81000 acpi [apic] Via 8235 sound card worked great with FreeBSD 5 o i386/79081 acpi ACPI suspend/resume not working on HP nx6110 o kern/76950 acpi ACPI wrongly blacklisted on Micron ClientPro 766Xi sys s kern/73823 acpi [request] acpi / power-on by timer support o i386/72566 acpi ACPI, FreeBSD disables fan on Compaq Armada 1750 o i386/69750 acpi Boot without ACPI failed on ASUS L5 f kern/67309 acpi zzz reboot computer (ACPI S3) o kern/56024 acpi ACPI suspend drains battery while in S3 o i386/55661 acpi ACPI suspend/resume problem on ARMADA M700 o i386/54756 acpi ACPI suspend/resume problem on CF-W2 laptop 47 problems total. 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This message was brought to you by Big Black Cow, Cedar Chip Court, B= alitmore, Md., www.bigblackcow.com =20 =20 Click here to unsubscribe. --JKmFTjknKybld=_sUZd8cGN22a59kjUv0J0-- From owner-freebsd-acpi@FreeBSD.ORG Thu Feb 26 01:00:52 2009 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 40E9C1065670 for ; Thu, 26 Feb 2009 01:00:52 +0000 (UTC) (envelope-from dd@gizmocreative.com) Received: from mail.justlinuxhosting.com (mail.justlinuxhosting.com [198.107.153.58]) by mx1.freebsd.org (Postfix) with ESMTP id 210AB8FC14 for ; Thu, 26 Feb 2009 01:00:52 +0000 (UTC) (envelope-from dd@gizmocreative.com) Received: from localhost (localhost [127.0.0.1]) by mail.justlinuxhosting.com (Postfix) with ESMTP id AB8C84523D for ; Wed, 25 Feb 2009 16:45:39 -0800 (PST) X-Virus-Scanned: amavisd-new at justlinuxhosting.com Received: from mail.justlinuxhosting.com ([127.0.0.1]) by localhost (dorothy.justlinuxhosting.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 30IojOnGVKfv for ; Wed, 25 Feb 2009 16:45:36 -0800 (PST) Received: from [192.168.2.178] (204.11.227.123.static.etheric.net [204.11.227.123]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: dd@gizmocreative.com) by mail.justlinuxhosting.com (Postfix) with ESMTPSA id DEAC6451CD for ; Wed, 25 Feb 2009 16:45:35 -0800 (PST) Message-Id: <03537785-1D9B-4482-939F-318580227167@gizmocreative.com> From: Daniel Duerr To: freebsd-acpi@freebsd.org Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v930.3) Date: Wed, 25 Feb 2009 16:45:35 -0800 X-Mailer: Apple Mail (2.930.3) Subject: EST SpeedStep with E2140 shows wrong frequencies X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Feb 2009 01:00:52 -0000 Hello, I have been following the developments (or lack thereof) around EST and the more recent Intel Dual-core CPUs and was very happy to discover some new results with the latest FreeBSD 7.1 versions, specifically Gabriel Lavoie's recent posts about his success with the E5200 CPU. My CPU is an Intel Pentium Dual 65nm E2140 @ 1.6GHz which is supposed to use under 8W of power when idled down with EST. Since this server is always on, this power savings would be wonderful. Today, I decided to give it another shot and updated my 7.1-STABLE amd64 system to the current sources. I re-enabled the cpufreq driver in my /boot/loader.conf and now, upon bootup, no longer get the message about EST not recognizing my CPU which seems like a great step forward. Furthermore, EST is actually attaching to the cpufreq subsystem and populating frequency information as it should. Unfortunately I am experiencing two issues though: 1) the resulting frequency information picked up by EST don't seem complete/accurate for my CPU 2) the behavior changes further if I disable the multiple cores in my BIOS Here's the relevant output from dmesg when both cores are enabled: CPU: Intel(R) Pentium(R) Dual CPU E2140 @ 1.60GHz (1596.01-MHz K8- class CPU) Origin = "GenuineIntel" Id = 0x6fd Stepping = 13 Features = 0xbfebfbff < FPU ,VME ,DE ,PSE ,TSC ,MSR ,PAE ,MCE ,CX8 ,APIC ,SEP ,MTRR ,PGE ,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> Features2=0xe39d AMD Features=0x20100800 AMD Features2=0x1 Cores per package: 2 ... and sysctl -a | grep freq shows the following output: dev.cpu.0.freq: 800 dev.cpu.0.freq_levels: 800/31000 dev.est.0.freq_settings: 800/31000 dev.est.1.freq_settings: 800/31000 dev.cpufreq.0.%driver: cpufreq dev.cpufreq.0.%parent: cpu0 dev.cpufreq.1.%driver: cpufreq dev.cpufreq.1.%parent: cpu1 Now, if I disable the 2nd core I get this: CPU: Intel(R) Pentium(R) Dual CPU E2140 @ 1.60GHz (1608.77-MHz K8- class CPU) Origin = "GenuineIntel" Id = 0x6fd Stepping = 13 Features = 0xafebfbff < FPU ,VME ,DE ,PSE ,TSC ,MSR ,PAE ,MCE ,CX8 ,APIC ,SEP ,MTRR ,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,TM,PBE> Features2=0xe39d AMD Features=0x20100800 AMD Features2=0x1 ... with no mention of "Cores per package" or a second CPU. Here's the sysctl output: dev.cpu.0.freq_levels: 800/31000 600/13000 dev.est.0.freq_settings: 800/31000 600/13000 dev.cpufreq.0.%driver: cpufreq dev.cpufreq.0.%parent: cpu0 So, it seems that with the 2nd core disabled I am at least offered two choices. The choices, however, don't seem to match up with my CPU speed nor do I get anywhere near the idle power consumption that I am supposed to (I verified this with a Kill A Watt meter which throttling the CPU up & down). Does anyone have any ideas on this? I'd love to get this working. Thanks! Daniel From owner-freebsd-acpi@FreeBSD.ORG Thu Feb 26 15:25:31 2009 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BED811065675 for ; Thu, 26 Feb 2009 15:25:31 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 8ECA58FC13 for ; Thu, 26 Feb 2009 15:25:31 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (pool-98-109-39-197.nwrknj.fios.verizon.net [98.109.39.197]) by cyrus.watson.org (Postfix) with ESMTPSA id 18E9746B09; Thu, 26 Feb 2009 10:25:31 -0500 (EST) Received: from localhost (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.14.3/8.14.3) with ESMTP id n1QFPOQv042853; Thu, 26 Feb 2009 10:25:24 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-acpi@freebsd.org Date: Thu, 26 Feb 2009 08:16:49 -0500 User-Agent: KMail/1.9.7 References: <03537785-1D9B-4482-939F-318580227167@gizmocreative.com> In-Reply-To: <03537785-1D9B-4482-939F-318580227167@gizmocreative.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200902260816.49474.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Thu, 26 Feb 2009 10:25:25 -0500 (EST) X-Virus-Scanned: ClamAV 0.94.2/9051/Thu Feb 26 08:08:01 2009 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: Subject: Re: EST SpeedStep with E2140 shows wrong frequencies X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Feb 2009 15:25:32 -0000 On Wednesday 25 February 2009 7:45:35 pm Daniel Duerr wrote: > Hello, > > I have been following the developments (or lack thereof) around EST > and the more recent Intel Dual-core CPUs and was very happy to > discover some new results with the latest FreeBSD 7.1 versions, > specifically Gabriel Lavoie's recent posts about his success with the > E5200 CPU. My CPU is an Intel Pentium Dual 65nm E2140 @ 1.6GHz which > is supposed to use under 8W of power when idled down with EST. Since > this server is always on, this power savings would be wonderful. > > Today, I decided to give it another shot and updated my 7.1-STABLE > amd64 system to the current sources. I re-enabled the cpufreq driver > in my /boot/loader.conf and now, upon bootup, no longer get the > message about EST not recognizing my CPU which seems like a great step > forward. Furthermore, EST is actually attaching to the cpufreq > subsystem and populating frequency information as it should. > Unfortunately I am experiencing two issues though: > 1) the resulting frequency information picked up by EST don't seem > complete/accurate for my CPU > 2) the behavior changes further if I disable the multiple cores in my > BIOS We rely on the BIOS to tell us the available speed settings via ACPI. Also, for idle consumption the bigger gain will come from using higher Cx states rather than using throttling. -- John Baldwin From owner-freebsd-acpi@FreeBSD.ORG Thu Feb 26 20:10:07 2009 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AE7B710656C2 for ; Thu, 26 Feb 2009 20:10:07 +0000 (UTC) (envelope-from dd@gizmocreative.com) Received: from mail.justlinuxhosting.com (mail.justlinuxhosting.com [198.107.153.58]) by mx1.freebsd.org (Postfix) with ESMTP id 819C08FC27 for ; Thu, 26 Feb 2009 20:10:07 +0000 (UTC) (envelope-from dd@gizmocreative.com) Received: from localhost (localhost [127.0.0.1]) by mail.justlinuxhosting.com (Postfix) with ESMTP id DE45645094 for ; Thu, 26 Feb 2009 12:10:06 -0800 (PST) X-Virus-Scanned: amavisd-new at justlinuxhosting.com Received: from mail.justlinuxhosting.com ([127.0.0.1]) by localhost (dorothy.justlinuxhosting.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id C7SyEL947jSZ for ; Thu, 26 Feb 2009 12:10:04 -0800 (PST) Received: from [192.168.2.178] (204.11.227.123.static.etheric.net [204.11.227.123]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: dd@gizmocreative.com) by mail.justlinuxhosting.com (Postfix) with ESMTPSA id 1F44045068 for ; Thu, 26 Feb 2009 12:10:04 -0800 (PST) Message-Id: <609FE2E5-2C6B-4F60-BCBB-B8DC6980098E@gizmocreative.com> From: Daniel Duerr To: freebsd-acpi@freebsd.org In-Reply-To: <200902260816.49474.jhb@freebsd.org> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v930.3) Date: Thu, 26 Feb 2009 12:10:03 -0800 References: <03537785-1D9B-4482-939F-318580227167@gizmocreative.com> <200902260816.49474.jhb@freebsd.org> X-Mailer: Apple Mail (2.930.3) Subject: Re: EST SpeedStep with E2140 shows wrong frequencies X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Feb 2009 20:10:14 -0000 Thanks for the reply, John. I did look into the Cx states as well and I'm only offered C1 (which I've switched to C1E through the BIOS). I'm running on a relatively new Supermicro server motherboard which, if price/features were any indicator, would support the multiple Cx states offered by today's CPUs. So, I'm wondering if the reason why I am only seeing one state is a limitation of my CPU or a limitation of the motherboard. I did do some research on Intel's site yesterday and it appears that my CPU only supports C1/C1E. Do you have any thoughts on this and/or any ideas how I might go about figuring out where the limiting factor is here? If I can confirm that my motherboard/BIOS supports the full range of Cx states then I'll focus on finding a better CPU with more options. Also, do you have any recommended approaches for generating test CPU load (say 90-100%) so that I can compare the system power consumption to when it's idle? If I'm already indeed idling (in C1E state) at the 8W consumption Intel suggests then I don't need any more Cx states because that is low enough for me. Thanks again for your help! Cheers, Daniel On Feb 26, 2009, at 5:16 AM, John Baldwin wrote: > On Wednesday 25 February 2009 7:45:35 pm Daniel Duerr wrote: >> Hello, >> >> I have been following the developments (or lack thereof) around EST >> and the more recent Intel Dual-core CPUs and was very happy to >> discover some new results with the latest FreeBSD 7.1 versions, >> specifically Gabriel Lavoie's recent posts about his success with the >> E5200 CPU. My CPU is an Intel Pentium Dual 65nm E2140 @ 1.6GHz which >> is supposed to use under 8W of power when idled down with EST. Since >> this server is always on, this power savings would be wonderful. >> >> Today, I decided to give it another shot and updated my 7.1-STABLE >> amd64 system to the current sources. I re-enabled the cpufreq driver >> in my /boot/loader.conf and now, upon bootup, no longer get the >> message about EST not recognizing my CPU which seems like a great >> step >> forward. Furthermore, EST is actually attaching to the cpufreq >> subsystem and populating frequency information as it should. >> Unfortunately I am experiencing two issues though: >> 1) the resulting frequency information picked up by EST don't seem >> complete/accurate for my CPU >> 2) the behavior changes further if I disable the multiple cores in my >> BIOS > > We rely on the BIOS to tell us the available speed settings via > ACPI. Also, > for idle consumption the bigger gain will come from using higher Cx > states > rather than using throttling. > > -- > John Baldwin -- daniel duerr | president | gizmo creative dd@gizmocreative.com | +1 (831) 621-1710 x103