On Sat, Mar 22, 2008 at 06:54:05PM -0700, Arthur Mesh wrote: > Hello, > Found an interesting behavior on a Thinkpad T61 running a week old > 4.3-current i386 GENERIC. Whenever it boots plugged in to AC, dmesg > recognizes SpeedStep and hw.setperf becomes available through sysctl(8). > On the other hand, whenever it boots while it's on battery, dmesg > doesn't recognize SpeedStep. acpidump is attached. There is even a > subtle difference in dmesgs
change the bios settings that force the cpu to be throttled whenever on battery. works for me on my x61s. Cheers, -0- -- Barometer, n.: An ingenious instrument which indicates what kind of weather we are having. -- Ambrose Bierce, "The Devil's Dictionary"