linux-kernel - Re: PM: resume devices took 9.176 seconds

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Date:	Sat, 18 Jul 2009 13:49:14 +0200
From:	Pavel Machek <pavel@....cz>
To:	Alexey Fisher <bug-track@...her-privat.net>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	Ingo Molnar <mingo@...e.hu>, "Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: PM: resume devices took 9.176 seconds

On Mon 2009-07-06 18:21:15, Alexey Fisher wrote:
> Hallo all,
> it testing a lot git tree especially suspend and resume. With my new  
> Intel DG45ID board i get always this trace:
>
> ============================================
> [  176.763922] PM: resume devices took 9.176 seconds
> [  176.763924] ------------[ cut here ]------------
> [  176.763930] WARNING: at kernel/power/suspend_test.c:52  
> suspend_test_finish+0x7c/0x80()
>
> this is related with the commit:
>    commit 77437fd4e61f87cc94d9314baa5cbf50e3ccdf54
> Author: David Brownell <dbrownell@...rs.sourceforge.net>
> Date:   Wed Jul 23 21:28:33 2008 -0700
>
> probobly it's depend  on this message:
> [  173.076075] ata1: link is slow to respond, please be patient (ready=0)
>
> so it's looks normal for this board and harddrive. I think it should be  
> some way to change default TEST_SUSPEND_SECONDS by .config or  
> kernel-parameter. I changed default settings to 10 in  
> kernel/power/suspend_test.c but this is not the way it should be done.

I'm not sure if that's normal. Does it also delay on boot?

-- 
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