linux-kernel - Re: [Bug #13306] hibernate slow on _second

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Message-Id: <200906040100.35254.rjw@sisk.pl>
Date:	Thu, 4 Jun 2009 01:00:34 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Johannes Berg <johannes@...solutions.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Jan Scholz <scholz@...s.uni-frankfurt.de>
Subject: Re: [Bug #13306] hibernate slow on _second_ run

On Thursday 04 June 2009, Benjamin Herrenschmidt wrote:
> On Wed, 2009-06-03 at 22:10 +0200, Rafael J. Wysocki wrote:
> > Apparently, we have two hibernation and suspend bugs on macbooks
> > related to suspend_device_irqs() and resume_device_irqs(), the other
> > one is
> > (http://bugzilla.kernel.org/show_bug.cgi?id=13407) and I have no idea
> > what's
> > up.
> 
> The other one is a _powerbook_ bug, very different machine (powerpc
> mac). macbooks are just almost ordinary x86 gear :-)

Yes, I realized they were different.

> I'll try to tackle the trackpad problem.

Perhaps the VIA-PMU interrupt shouldn't be disabled in
suspend_device_irqs()?

Best,
Rafael
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