From: Arjan van de Ven <arjan@infradead.org>
To: Mark Lord <lkml@rtr.ca>
Cc: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
abelay@novell.com, lenb@kernel.org, rjw@sisk.pl,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: 20000+ wake-ups/second in 2.6.24. Bug?
Date: Sat, 1 Dec 2007 15:46:46 -0800 [thread overview]
Message-ID: <20071201154646.5a288c9e@laptopd505.fenrus.org> (raw)
In-Reply-To: <4751F1AB.2060801@rtr.ca>
On Sat, 01 Dec 2007 18:43:39 -0500
Mark Lord <lkml@rtr.ca> wrote:
>
> Dagnabbit.. it's done it again.. went from 100-200 wakeups/sec
> back up to 20000+ wakeups/sec. This time *with* the powertop patches
> in place.
>
> Somethings broken in there, but I don't know what.
> Or how to make it happen on demand.. it's fine after rebooting again.
>
> ???
>
> At least now I know to look when I hear the fan turning on
> when the system is otherwise supposed to be idle..
>
> 2.6.23 did not have this problem.
actually we have reports of 2.6.23 having the exact same problem.
The thing is, "something" is causing the system to go into a state
where the cpu throws us right out of the C-state the kernel asks for.
Some people have seen that not loading yenta at all will just make this
not happen at all...
--
If you want to reach me at my work email, use arjan@linux.intel.com
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
next prev parent reply other threads:[~2007-12-01 23:48 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200711302153.lAULrZ7n026255@imap1.linux-foundation.org>
[not found] ` <924EFEDD5F540B4284297C4DC59F3DEE2FAE6A@orsmsx423.amr.corp.intel.com>
2007-11-30 22:20 ` + restore-missing-sysfs-max_cstate-attr.patch added to -mm tree Andrew Morton
2007-11-30 22:37 ` Pallipadi, Venkatesh
2007-12-01 2:52 ` Mark Lord
2007-12-01 3:02 ` Arjan van de Ven
2007-12-01 3:14 ` Mark Lord
2007-12-01 3:18 ` Arjan van de Ven
2007-12-01 3:31 ` Mark Lord
2007-12-01 3:44 ` Mark Lord
2007-12-01 3:48 ` Mark Lord
2007-12-01 4:02 ` Mark Lord
2007-12-01 4:31 ` Mark Lord
2007-12-01 23:43 ` 20000+ wake-ups/second in 2.6.24. Bug? Mark Lord
2007-12-01 23:46 ` Arjan van de Ven [this message]
2007-12-01 23:55 ` Mark Lord
2007-12-02 0:13 ` Arjan van de Ven
2007-12-02 1:10 ` Andres Freund
2007-12-02 0:20 ` Rafael J. Wysocki
2008-02-04 17:29 ` Mark Lord
2008-02-04 17:50 ` Arjan van de Ven
2008-02-04 19:17 ` Mark Lord
2007-12-02 14:41 ` Adrian Bunk
2007-12-02 14:59 ` Mark Lord
2007-12-02 15:12 ` Adrian Bunk
2007-12-02 15:45 ` Mark Lord
2007-12-02 15:45 ` Mark Lord
2007-12-02 15:49 ` Mark Lord
2008-01-02 23:41 ` + restore-missing-sysfs-max_cstate-attr.patch added to -mm tree Mark Lord
2008-01-03 0:06 ` Pallipadi, Venkatesh
2008-01-03 0:51 ` Andrew Morton
2008-01-03 1:12 ` Pallipadi, Venkatesh
2008-01-03 4:25 ` Mark Lord
2008-01-03 4:18 ` Mark Lord
2008-01-04 2:16 ` Venki Pallipadi
2008-01-04 3:16 ` Mark Lord
2008-01-04 21:52 ` Mark Lord
2008-01-04 21:59 ` Pallipadi, Venkatesh
2008-01-05 16:27 ` Mark Lord
2008-01-06 21:34 ` Mark Lord
2008-01-07 7:18 ` Andrew Morton
2008-01-07 14:07 ` Arjan van de Ven
2008-01-07 15:07 ` Mark Lord
2008-01-07 14:18 ` Pallipadi, Venkatesh
2008-01-07 15:06 ` Mark Lord
2008-01-07 19:12 ` Len Brown
2008-01-07 21:33 ` Mark Lord
2008-01-07 22:43 ` Len Brown
2007-12-01 10:17 ` Andrew Morton
2007-12-01 16:30 ` Arjan van de Ven
2007-12-05 11:17 ` Pavel Machek
2007-12-07 21:38 ` Pallipadi, Venkatesh
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