Date: Thu, 26 Aug 2004 09:01:10 -0700 From: Nate Lawson <nate@root.org> To: Ulrich Spoerlein <q@uni.de> Cc: acpi@freebsd.org Subject: Re: Cx states not working on Dell Inspiron 8600 (Pentium M) Message-ID: <412E0946.7010800@root.org> In-Reply-To: <20040826094208.GB703@galgenberg.net> References: <20040826094208.GB703@galgenberg.net>
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Ulrich Spoerlein wrote: > Hello, > > I've been running CURRENT on this laptop since the gcc 3.4 import and > the Cx states don't work (AFAICS). > > dmesg, kernel config, DSDT and ASL can be obtained from > http://www.galgenberg.net/~q/freebsd > > No matter if I pull the AC-plug or not, I get this: > hw.acpi.cpu.throttle_max: 8 > hw.acpi.cpu.throttle_state: 8 > hw.acpi.cpu.cx_supported: C1/1 C2/1 C3/85 C4/185 > hw.acpi.cpu.cx_lowest: C4 > hw.acpi.cpu.cx_usage: 0.00% 100.00% 0.00% 0.00% You configured it correctly. But states > C3 can't be entered if bus mastering is active. Do you have a sound card playing or usb loaded? Try without both and see if you get more C3 or C4 usage. -Nate
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