Poul-Henning Kamp wrote: > In message <20071210201106.GB90158_at_cons.org>, Martin Cracauer writes: > > I installed this on my laptop yesterday: > > FreeBSD critter.freebsd.dk 8.0-CURRENT FreeBSD 8.0-CURRENT > #0: Sun Dec 9 10:41:25 UTC 2007 > root_at_critter.freebsd.dk:/usr/obj/freebsd/src/sys/C5 i386 > > And it does indeed look like the idle threads do not HLT the cpu. > > Interestingly, powerd(8) does the right thing and throttles down > the cpu clock even though the idle threads churn away. > > top -HS shows: > > PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND > 10 root 171 ki31 0K 16K CPU1 1 25.2H 100.00% {idle: cpu1} > 10 root 171 ki31 0K 16K RUN 0 25.2H 95.36% {idle: cpu0} > 928 phk 45 0 319M 68624K *Giant 0 42:46 0.98% Xorg > 28654 phk 44 0 3540K 1552K CPU1 0 0:01 0.98% top > 982 phk 44 0 6500K 3940K select 1 11:03 0.29% xterm > 11 root -24 - 0K 112K WAIT 1 19:49 0.00% {swi6: task queu > This might also explain why I started to see buildworld overheat my t41 where previously I'd built world countless times w/o an issue. The only good thing that came out of that was that I verified thermal shutdown worked correctly and it uncovered a bug in acpi where a failed read would cause acpi to fall over (still unfixed). SamReceived on Mon Dec 10 2007 - 20:51:35 UTC
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