Date: Tue, 18 Nov 2003 22:34:46 -0000 From: Don Lewis <truckman@FreeBSD.org> To: nate@root.org Cc: current@FreeBSD.org Subject: Re: Updated acpi_cpu patch Message-ID: <200311182234.hAIMYaeF091626@gw.catspoiler.org> In-Reply-To: <20031118142911.M65367@root.org>
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On 18 Nov, Nate Lawson wrote: > 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. I wonder how Windoze does it ...
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