Date: Thu, 03 Mar 2005 21:33:58 -0800 From: Nate Lawson <nate@root.org> To: John Baldwin <jhb@FreeBSD.org> Cc: acpi@FreeBSD.org Subject: Re: cpufreq not happy on my laptop Message-ID: <4227F346.1080609@root.org> In-Reply-To: <200502241437.26073.jhb@FreeBSD.org> References: <200502241437.26073.jhb@FreeBSD.org>
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John Baldwin wrote: > First off, this is the big green laptop that has a desktop P4 in it, so I'm > aware that this is very much an edge case. The system does support ACPI duty > width type throttling and even has the T2 and T3 constants for use with _PSV. > I tried cpufreq(4) on it with the recent updates and it's not too happy. > Before the p4tcc driver was added, this is what I got: > > dev.cpu.0.freq_levels: 9999/99999 9999/99999 8749/87499 7499/74999 6249/62499 4999/49999 3749/37499 2499/24999 1249/12499 Ok, I have committed code (rev 1.15 of acpi_perf.c) to not attach acpi_perf when it has 9999 as the frequency. Bruno Ducrot reported some systems use 0xffff to indicate this so I added this as well. Let me know if everything else works ok for you. -- Nate
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