From owner-freebsd-current@FreeBSD.ORG Sat Sep 11 23:14:11 2010 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from hub.freebsd.org (localhost [127.0.0.1]) by hub.freebsd.org (Postfix) with ESMTP id 0E584106566C; Sat, 11 Sep 2010 23:14:10 +0000 (UTC) (envelope-from nork@FreeBSD.org) Date: Sun, 12 Sep 2010 08:14:09 +0900 From: Norikatsu Shigemura To: Nate Lawson Message-Id: <20100912081409.9f4d74d0.nork@FreeBSD.org> In-Reply-To: <4C8BCAC5.5050008@root.org> References: <20100912014855.984a89ed.nork@FreeBSD.org> <4C8BCAC5.5050008@root.org> X-Mailer: Sylpheed 3.0.3 (GTK+ 2.20.1; i386-portbld-freebsd8.1) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: freebsd-acpi@FreeBSD.org, freebsd-current@FreeBSD.org, nork@FreeBSD.org Subject: Re: CPU C-state storange on Panasonic TOUGH BOOK CF-R9 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: Sat, 11 Sep 2010 23:14:12 -0000 Hi nate. On Sat, 11 Sep 2010 11:30:29 -0700 Nate Lawson wrote: > I think the issue is that C2 is not available for some reason and thus > C3 can't be used either. The way to tell is to use acpidump and look for > the CPU objects' _CST fields. I attached acpidump -dt (nork-CFR9.asl.bz2) on previous mail, and I couldn't find _CST, too. And I added more ACPI debug option, ACPI_DB_INFO. I got following: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - cpu0: on acpi0 PROCESSOR-0311 [230584] cpu_attach : acpi_cpu0: P_BLK at 0x410/6 ACPI: SSDT 0xda9adc18 002AA (v01 PmRef Cpu0Ist 00003000 INTL 20061109) ACPI: Dynamic OEM Table Load: ACPI: SSDT 0 002AA (v01 PmRef Cpu0Ist 00003000 INTL 20061109) ACPI: SSDT 0xda9ab618 005CD (v01 PmRef Cpu0Cst 00003001 INTL 20061109) ACPI: Dynamic OEM Table Load: ACPI: SSDT 0 005CD (v01 PmRef Cpu0Cst 00003001 INTL 20061109) PROCESSOR-0696 [241753] cpu_cx_cst : acpi_cpu0: C2[1] not available. PROCESSOR-0730 [241753] cpu_cx_cst : acpi_cpu0: Got C3 - 245 latency cpu1: on acpi0 PROCESSOR-0311 [241991] cpu_attach : acpi_cpu1: P_BLK at 0x410/6 ACPI: SSDT 0xda9aca98 00303 (v01 PmRef ApIst 00003000 INTL 20061109) ACPI: Dynamic OEM Table Load: ACPI: SSDT 0 00303 (v01 PmRef ApIst 00003000 INTL 20061109) ACPI: SSDT 0xda9aad98 00119 (v01 PmRef ApCst 00003000 INTL 20061109) ACPI: Dynamic OEM Table Load: ACPI: SSDT 0 00119 (v01 PmRef ApCst 00003000 INTL 20061109) PROCESSOR-0696 [254000] cpu_cx_cst : acpi_cpu1: C2[1] not available. PROCESSOR-0730 [254000] cpu_cx_cst : acpi_cpu1: Got C3 - 245 latency cpu2: on acpi0 PROCESSOR-0311 [254238] cpu_attach : acpi_cpu2: P_BLK at 0x410/6 PROCESSOR-0696 [255657] cpu_cx_cst : acpi_cpu2: C2[1] not available. PROCESSOR-0730 [255657] cpu_cx_cst : acpi_cpu2: Got C3 - 245 latency cpu3: on acpi0 PROCESSOR-0311 [255895] cpu_attach : acpi_cpu3: P_BLK at 0x410/6 PROCESSOR-0696 [257314] cpu_cx_cst : acpi_cpu3: C2[1] not available. PROCESSOR-0730 [257314] cpu_cx_cst : acpi_cpu3: Got C3 - 245 latency - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - According to acpidump -dt, I could find CPU0CST table, but not found _CST. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Scope (\) { Name (SSDT, Package (0x0C) { : "CPU0CST ", 0xDA9AB618, 0x000005CD, : }) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Hum... ACPI CA 20100806 has a bug? Thank you. -- Norikatsu Shigemura