Date: Fri, 28 Oct 2005 02:38:35 -0700 From: Colin Percival <cperciva@freebsd.org> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: current@freebsd.org Subject: Re: TSC instead of ACPI: powerd doesn't work anymore (to be expected?) Message-ID: <4361F19B.5090902@freebsd.org> In-Reply-To: <20051028112833.7vs98zpvy808s04k@netchild.homeip.net> References: <20051028112833.7vs98zpvy808s04k@netchild.homeip.net>
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Alexander Leidinger wrote: > I switched the timecounter used to use the TSC instead of the ACPI one > (/etc/sysctl.conf). After rebooting powerd refused to start. I removed the > line which changes the timecounter in sysctl.conf and powerd starts again. I haven't been keeping track of cpufreq lately, but I added a check into my est driver a long time ago to make it return EBUSY if the TSC is being used as a timecounter. This is important because otherwise all sorts of Bad Things could happen when the clock stops running at the expected rate. Colin Percival
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