linux-kernel - slow resume (was Re: [4/4] 2.6.23-rc5: known regressions)

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Message-ID: <20070905072508.GC2017@elf.ucw.cz>
Date:	Wed, 5 Sep 2007 09:25:08 +0200
From:	Pavel Machek <pavel@....cz>
To:	Michal Piotrowski <michal.k.k.piotrowski@...il.com>, arekm@...en.pl
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: slow resume (was Re: [4/4] 2.6.23-rc5: known regressions)

Hi!

> Subject         : resume from ram much slower
> References      : http://lkml.org/lkml/2007/8/10/275
> Last known good : 2.6.23-rc1 ?
> Submitter       : Arkadiusz Miskiewicz <arekm@...en.pl>
> Caused-By       : ?
> Handled-By      : Rafael J. Wysocki <rjw@...k.pl>
> Status          : problem is being debugged

Any progress here?

I see you have a thinkpad, so with right console loglevel, you should
be able to see the messages just after boot...? Where does it really
hang

                              [    0.955389] Back to C!
                              [    0.389803] PM: Writing back config
space on device 0000:00:01.0 at =                              offset
1 (was 100107, writing 100507)
                              [    0.389814] PCI: Setting latency
timer of device 0000:00:01.0 to 64

Is it here?

                              [  120.599158] PM: Writing back config
space on device 0000:00:1b.0 at =                              offset
1 (was 100006, writing 100002)
                              [  120.599185] ACPI: PCI Interrupt
0000:00:1b.0[A] -> GSI 16 (level, lo=                              w)
-> IRQ 16
 

Are you using nohz/highres?
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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