Date: Sun, 12 Sep 2010 10:39:15 +0300 From: Andriy Gapon <avg@icyb.net.ua> To: Nate Lawson <nate@root.org> Cc: freebsd-acpi@FreeBSD.org, freebsd-current@FreeBSD.org, Norikatsu Shigemura <nork@FreeBSD.org> Subject: Re: CPU C-state storange on Panasonic TOUGH BOOK CF-R9 Message-ID: <4C8C83A3.9010009@icyb.net.ua> In-Reply-To: <4C8BCAC5.5050008@root.org> References: <20100912014855.984a89ed.nork@FreeBSD.org> <4C8BCAC5.5050008@root.org>
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on 11/09/2010 21:30 Nate Lawson said the following: >> 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 > > 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. > The "not available" message means that transition latency is defined too high. That is, in this case latency is greater than 100 for C2. -- Andriy Gapon
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