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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Dave Jones <davej@redhat.com>
Cc: linux-pm@lists.linux-foundation.org,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: Ottawa Linux Power Management Summit, June 25-26, 2007 - Minutes
Date: Tue, 25 Sep 2007 13:39:36 +0200	[thread overview]
Message-ID: <200709251339.37601.rjw@sisk.pl> (raw)
In-Reply-To: <20070924194102.GH8127@redhat.com>

On Monday, 24 September 2007 21:41, Dave Jones wrote:
> On Sun, Sep 09, 2007 at 02:26:39PM +0200, Rafael J. Wysocki wrote:
> 
>  > > Dave mentioned that Fedora Core 7 32-bit is now shipping with
>  > > CONFIG_NOHZ=y and CONFIG_HZ=1000.
>  > 
>  > CONFIG_NOHZ is known to break suspend and resume on some machines.  These
>  > problems are being fixed over time, but that's a risky decision for a
>  > distribution to switch it on by default.
> 
> Expect to see everyone else doing the same thing in the next versions.
> Without field-testing this stuff it remains busted.  A lot of bugs got
> found and fixed by having this in Fedora that weren't tripped over
> by linux-kernel testers at all.

Well, that's certainly true.

Still, we have open suspend bugs in which NO_HZ appears to be the culprit,
eg. http://bugzilla.kernel.org/show_bug.cgi?id=8680

Greetings,
Rafael

  reply	other threads:[~2007-09-25 11:39 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-05  8:26 Ottawa Linux Power Management Summit, June 25-26, 2007 - Minutes Len Brown
2007-09-09 12:26 ` Rafael J. Wysocki
2007-09-24 19:41   ` Dave Jones
2007-09-25 11:39     ` Rafael J. Wysocki [this message]
2007-09-25 12:00       ` Thomas Gleixner
2007-10-28 13:54 ` cpufreq-set problems [Was: Re: Ottawa Linux Power Management Summit, June 25-26, 2007 - Minutes] Dominik Brodowski
2007-10-29 13:26   ` Igor Stoppa

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