From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kok, Auke" Subject: Re: bug? acpi p-state + ondemand keeps dropping max freq Date: Mon, 09 Jun 2008 09:39:39 -0700 Message-ID: <484D5CCB.10302@intel.com> References: <20080606140846.GA9580@ucw.cz> <20080607213918.GC1746@elf.ucw.cz> <20080607145435.4afc9812@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20080607145435.4afc9812@infradead.org> Sender: linux-kernel-owner@vger.kernel.org To: Arjan van de Ven Cc: Pavel Machek , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, len.brown@intel.com, cpufreq@lists.linux.org.uk, davej@codemonkey.org.uk List-Id: linux-acpi@vger.kernel.org Arjan van de Ven wrote: > On Sat, 7 Jun 2008 23:39:18 +0200 > Pavel Machek wrote: > >>> # echo 1866000 > scaling_max_freq ; cat scaling_max_freq >>> 800000 >>> # echo 1866000 > scaling_max_freq ; cat scaling_max_freq >>> 800000 >>> >>> >>> This renders my Dothan to utterly poor speeds. (standard T43) >>> >>> performance cpufreq governor makes no difference - I still can't >>> change the frequency upper/lower values. >> Hmm, I have similar problem in Novell bugzilla, on very different hw: >> >> https://bugzilla.novell.com/show_bug.cgi?id=396311 >> >> Pavel >> > > > are either of you running gnome-power-manager or kpowersaved ? > sometimes these programs (and more likely, the patches added by a > distro maintainer who doesn't fully realize how power works) tend to > muck with kernel settings around CPU frequency that they have > absolutely no business touching... I neither run gnome nor kde. there's nothing running on this box that is managing power settings. Auke