Date: Tue, 11 Dec 2007 15:35:32 -0500 From: "Ken Menzel" <kenfreebsd@icarz.com> To: "Martin Cracauer" <cracauer@cons.org>, "Poul-Henning Kamp" <phk@phk.freebsd.dk> Cc: Thomas Sparrevohn <Thomas.Sparrevohn@btinternet.com>, freebsd-current@freebsd.org Subject: Re: CURRENT Kernel makes the system run very very hot Message-ID: <0be001c83c35$605d0020$8adb7bd1@icarz.com> References: <28655.1197320193@critter.freebsd.dk>
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----- Original Message ----- From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: "Martin Cracauer" <cracauer@cons.org> Cc: "Thomas Sparrevohn" <Thomas.Sparrevohn@btinternet.com>; <freebsd-current@freebsd.org> Sent: Monday, December 10, 2007 3:56 PM Subject: Re: CURRENT Kernel makes the system run very very hot > In message <20071210201106.GB90158@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@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: <cut> So did anyone file a PR? Or is someone already working on this? Seems fairly major to me as I am seeing the same thing here, on single CPU systems and a dual quad core system. If needed I will create the PR. Ken
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