From: Erik Mouw <erik@harddisk-recovery.com>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Chuck Ebbert <76306.1226@compuserve.com>,
Arjan van de Ven <arjan@linux.intel.com>,
Ashok Raj <ashok.raj@intel.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Dave Jones <davej@redhat.com>, Andrew Morton <akpm@osdl.org>
Subject: Re: remove cpu hotplug bustification in cpufreq.
Date: Tue, 25 Jul 2006 17:06:07 +0200 [thread overview]
Message-ID: <20060725150606.GA8566@harddisk-recovery.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0607241752290.29649@g5.osdl.org>
On Mon, Jul 24, 2006 at 05:59:23PM -0700, Linus Torvalds wrote:
> On Mon, 24 Jul 2006, Chuck Ebbert wrote:
> >
> > I thought just the 'ondemand' governor was a problem?
>
> The ondemand governor seems to be singled out not because it has unique
> problems, but because it seems to be used by Fedora Core for some strange
> reason.
>
> I would judge that any bugs in cpufreq_ondemand.c are likely equally
> evident in cpufreq_conservative.c, for example. I think the two have the
> same background, and seem to have the same broken locking.
The "conservative" governor switches less often, so the locking
condition just happens less often.
After some strange lockups with 2.6.18-rc* I switched from "ondemand"
to "conservative" and now my laptop survives the night. Sheer luck, I
guess. I'd rather switch to "powersave" or "performance".
Erik
--
+-- Erik Mouw -- www.harddisk-recovery.com -- +31 70 370 12 90 --
| Lab address: Delftechpark 26, 2628 XH, Delft, The Netherlands
next prev parent reply other threads:[~2006-07-25 15:06 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-25 0:21 remove cpu hotplug bustification in cpufreq Chuck Ebbert
2006-07-25 0:59 ` Linus Torvalds
2006-07-25 15:06 ` Erik Mouw [this message]
2006-07-25 18:54 ` Ingo Molnar
2006-07-25 19:30 ` Arjan van de Ven
2006-07-25 20:57 ` Linus Torvalds
2006-07-26 13:40 ` [patch] Reorganize the cpufreq cpu hotplug locking to not be totally bizare Arjan van de Ven
2006-07-26 15:51 ` Dave Jones
2006-07-26 17:09 ` Linus Torvalds
2006-07-26 19:42 ` Arjan van de Ven
2006-07-26 20:22 ` Linus Torvalds
2006-07-26 20:58 ` Srivatsa Vaddagiri
2006-07-26 21:29 ` Linus Torvalds
2006-07-26 21:38 ` Arjan van de Ven
2006-07-27 1:40 ` Ingo Molnar
2006-07-27 17:38 ` Ashok Raj
2006-07-29 13:45 ` Ingo Molnar
2006-07-26 21:15 ` Ashok Raj
2006-07-27 19:29 ` Langsdorf, Mark
2006-07-28 13:50 ` Andi Kleen
2006-07-28 17:09 ` Langsdorf, Mark
2006-07-26 20:42 ` Srivatsa Vaddagiri
2006-07-26 21:03 ` Arjan van de Ven
2006-07-26 21:21 ` Srivatsa Vaddagiri
2006-07-26 21:33 ` Rafael J. Wysocki
2006-07-26 21:33 ` Andrew Morton
2006-07-26 22:35 ` Sanjoy Mahajan
2006-07-26 22:44 ` Arjan van de Ven
2006-07-25 20:46 ` remove cpu hotplug bustification in cpufreq Dave Jones
2006-07-25 20:59 ` Linus Torvalds
2006-07-26 17:12 ` Russell King
2006-07-26 17:53 ` Dave Jones
-- strict thread matches above, loose matches on Subject: below --
2006-07-22 19:40 Dave Jones
2006-07-23 0:10 ` Linus Torvalds
2006-07-23 1:06 ` Andrew Morton
2006-07-23 1:15 ` Linus Torvalds
2006-07-23 4:09 ` Arjan van de Ven
2006-07-23 17:20 ` Linus Torvalds
2006-07-23 18:12 ` Linus Torvalds
2006-07-23 18:34 ` Patrick McFarland
2006-07-24 10:52 ` Arjan van de Ven
2006-07-23 5:34 ` Andrew Morton
2006-07-23 8:29 ` Arjan van de Ven
2006-07-23 16:24 ` Ingo Molnar
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