Date: Tue, 18 Nov 2003 14:29:39 -0800 (PST) From: Nate Lawson <nate@root.org> To: Don Lewis <truckman@FreeBSD.org> Cc: l.ertl@univie.ac.at Subject: Re: Updated acpi_cpu patch Message-ID: <20031118142911.M65367@root.org> In-Reply-To: <200311182219.hAIMJFeF091593@gw.catspoiler.org> References: <200311182219.hAIMJFeF091593@gw.catspoiler.org>
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On Tue, 18 Nov 2003, Don Lewis wrote: > On 18 Nov, Lukas Ertl wrote: > > On Tue, 18 Nov 2003, Nate Lawson wrote: > > >> This excerpt from truckman@'s asl shows that 4 Cx states are only > >> available when the AC adapter is not attached. (The C*NA memory addresses > >> appear to be managed by the BIOS and not the AML but the PSR access is > >> clear). > > > > This part of the ASL looks the one here - let me guess, is it a ThinkPad? > > :-) > > Yup, a Thinkpad R40, which refuses to actually power down in ACPI mode > when I run "shutdown -p". That's an old problem that Linux is also trying to work around. It appears to be buggy hw. -Nate
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