Date: Sun, 12 Sep 2010 22:28:41 +0300 From: Andriy Gapon <avg@icyb.net.ua> To: Bruce Cran <bruce@cran.org.uk> Cc: freebsd-acpi@freebsd.org Subject: Re: Hang when booting with verbose ACPI debugging Message-ID: <4C8D29E9.1030600@icyb.net.ua> In-Reply-To: <20100912201255.0000579a@unknown> References: <20100912201255.0000579a@unknown>
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on 12/09/2010 22:12 Bruce Cran said the following: > Hi, > > I'm running -current from a few days ago and decided to see if I could > figure out if I should be getting more Cx levels after enabling > C3/C6/C7 in the BIOS. However when setting: > > debug.acpi.layer="ACPI_ALL_DRIVERS" > debug.acpi.level="ACPI_LV_ALL" > > the system hangs at the Entropy harvesting line (I know those debug > settings are too much for debugging Cx support). It also hung when I > booted into single-user mode and tried to list the debug.acpi sysctls. > Although the system doesn't respond to keypresses, the system isn't > totally locked up: pressing the power button a couple of times triggers > the message that the system's not ready to switch into S5 mode. Well, can't really tell what's going on, but consider a possibility that the system is just very busy writing out all the debugging info. All in all, this needs further investigation. -- Andriy Gapon
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