Date: Tue, 19 Aug 2003 12:14:57 +0900 From: User Takawata <takawata@axe-inc.co.jp> To: Stephen Montgomery-Smith <stephen@math.missouri.edu> Cc: current@freebsd.org Subject: Re: ACPI on Tyan Motherboard Message-ID: <200308190313.MAA21858@axe-inc.co.jp> In-Reply-To: Your message of "Mon, 18 Aug 2003 21:13:08 EST." <3F4187B4.9020504@math.missouri.edu>
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In message <3F4187B4.9020504@math.missouri.edu>, Stephen Montgomery-Smith wrote : >I have a Tyan S2462 Thunder K7 motherboard. I was hoping to get power-down to >work. So I installed FreeBSD current with ACPI enabled. When I typed "shutdo >wn >-p now" the computer halted, and then the video card switched off, and the fan >s >kept running. The computer was frozen - even the power-off power-on button >wouldn't work. > >Actually the power-off button doesn't work at all under FreeBSD-current. (It >is >a soft power-off button that dmesg shows is detected by the OS.) > >I should add that power-down works great with Windows 2000. Also, the power-o >ff >button works properly with FreeBSD-stable. > >I am thinking that maybe I need to wait a few more months until ACPI is fully >debugged. On the other hand, maybe you guys would like to work on this. I ca >n >send all info like dmesg, and the kernel configuration (which is basically >GENERIC with stuff removed, and SMP and pcm added, but actually it didn't work > >with the generic kernel either.) > >Is it possible that power is cut to the CPU's, but not to the fans? Is there >anyway to tell? > >Will I have to "program" the ACPI (that is take the output of acpidump and edi >t it)? > >It does seem to me that ACPI is working in some form, just not properly. If I > >boot up with ACPI disabled, then it works just as in FreeBSD-stable, that is, >the power-off button works well. Try # sysctl hw.acpi.disable_on_poweroff=0
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