Date: Sun, 13 Feb 2005 15:33:27 -0800 From: Nate Lawson <nate@root.org> To: Kevin Oberman <oberman@es.net> Cc: current@freebsd.org Subject: Re: HEADSUP: cpufreq import complete, acpi_throttling changed Message-ID: <420FE3C7.6020003@root.org> In-Reply-To: <20050213231306.376E05D07@ptavv.es.net> References: <20050213231306.376E05D07@ptavv.es.net>
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Kevin Oberman wrote: >>Date: Sun, 06 Feb 2005 13:21:32 -0800 >>From: Nate Lawson <nate@root.org> >>Sender: owner-freebsd-acpi@freebsd.org >> >> >>If you have throttling, please test the new configuration to be sure it >>still works as before. Final upcoming work will be manpage support and >>bugfixing as necessary. > > > On my T30, throttling has simply vanished. Kernel sources as of this > afternoon at about 11:00 PST. > > sysctl hw.acpi does not list any throttling entries at all. It shouldn't, they were merged into the sysctl dev.cpu output as you mention below. > It does list an amazing number of frequency settings, but only 1800 and > 1200 seem to actually work. Perhaps the others are derived by mixing the > two capabilities? On the earlier versions of cpufreq I was getting only > the two frequencies listed along with the 8 throttling states. > > Did I miss a message on this? Try cvsupping to now. I did some commits about an hour or two ago that should address throttling not attaching. > I am especially concerned because my CPU is now running VERY hot when > busy. It never used to exceed about 180F and now it quickly jumps to > 190+ when the system is working (such as a buildkernel). Since it was > previously running without throttling, I don't understand why things are > suddenly worse. > > Any idea on what is happening? I don't want to fry my T30. One person reported Cx states being broken by the cpufreq import. (Well, actually he got a C3 state that he didn't have before but it didn't work.) Try setting hw.acpi.cpu.cx_lowest to C1 or something you're sure works. Send me the output of sysctl dev.cpu, dmesg, and devinfo -rv. -- Nate
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