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

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Message-Id: <1244018021.10665.4.camel@johannes.local>
Date:	Wed, 03 Jun 2009 10:33:41 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>
Subject: Re: [Bug #13306] hibernate slow on _second_ run

On Mon, 2009-06-01 at 22:48 +0200, Rafael J. Wysocki wrote:
> > No, it's now hanging 20 seconds much later, after returning to
> > userspace :( But the dmesg log still has a hang of ~20.5 seconds just
> > like before, between two kernel messages...
> 
> Hmm.  Can you try to comment out suspend_device_irqs() and resume_device_irqs()
> in drivers/base/power/main.c and see what happens?

Oddly, that does seem to help. I'm sure it can't be a solution though :)

johannes

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