Date: Wed, 22 Apr 2009 16:03:44 +0300 From: Andriy Gapon <avg@icyb.net.ua> To: Nate Lawson <nate@root.org> Cc: sclark46@earthlink.net, freebsd-acpi@freebsd.org, Ian Smith <smithi@nimnet.asn.au> Subject: Re: 6.x acpi powerbutton Message-ID: <49EF15B0.10402@icyb.net.ua> In-Reply-To: <49EE1863.1000306@root.org> References: <49DE1F8B.2080400@earthlink.net> <49DE2E6D.5050001@icyb.net.ua> <49DE596E.2050406@earthlink.net> <49DEFF53.1040306@icyb.net.ua> <49DF7A1C.90009@root.org> <20090418043432.O34434@sola.nimnet.asn.au> <49E8D824.1000001@root.org> <20090417200726.GG3014@deviant.kiev.zoral.com.ua> <49E8E6E3.40304@root.org> <49EDFAED.4030606@icyb.net.ua> <49EE1863.1000306@root.org>
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on 21/04/2009 22:02 Nate Lawson said the following: > > I don't think that's what they're asking for. The normal shutdown > process creates log entries, even if destined for poweroff. For example, > shutdown -p will log before powering off. acpi_ReqSleepState() can come > through /dev/apm, sysctl, etc. as well as the power button handler. Yes, the normal shutdown does log. But the other types of Sx state changes do not seem to get logged anywhere, so I think that that log message might still be useful. > They are interested in the initiator of the event, the button itself. So > you'd be adding a printf to the power button handler, "power button > pressed". Then the normal shutdown messages would be logged but they > would know the reason. Remember that with sysctl, you can configure > different events to button mappings. So the power button could be used > to initiate a suspend, for example. Yes, I agree. Which place do you think is the best for this log - acpi sleep event handler (acpi_system_eventhandler_sleep) or individual sleep event triggers (power button sleep button, lid)? -- Andriy Gapon
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