linux-kernel - Re: suspend slow in 2.6.25-rc6 (was Re: Suspend and hibernation patchset against -rc6)

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Date:	Tue, 18 Mar 2008 18:07:06 +0100
From:	Pavel Machek <pavel@...e.cz>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	pm list <linux-pm@...ts.linux-foundation.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Alan Stern <stern@...land.harvard.edu>,
	David Brownell <david-b@...bell.net>, Greg KH <greg@...ah.com>,
	Len Brown <lenb@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Shaohua Li <shaohua.li@...el.com>,
	Alexey Starikovskiy <astarikovskiy@...e.de>,
	Johannes Berg <johannes@...solutions.net>,
	Len Brown <len.brown@...el.com>
Subject: Re: suspend slow in 2.6.25-rc6 (was Re: Suspend and hibernation
	patchset against -rc6)

On Tue 2008-03-18 14:07:10, Pavel Machek wrote:
> On Tue 2008-03-18 14:06:42, Pavel Machek wrote:
> > 
> > Confirmed, suspend slowness is in 2.6.25-rc6, too. It takes 15 seconds
> > to suspend/resume, while 2.6.24 takes 9. Thinkpad x60.
> 
> IIRC 2.6.25-rc5 was "fast".

rc6:

CPU0 attaching sched-domain:
 domain 0: span 3
  groups: 1 2
CPU1 attaching sched-domain:
 domain 0: span 3
  groups: 2 1
CPU1 is up
ACPI: EC: missing OBF confirmation, don't expect it any longer.


(there's ~.5 sec delay here)

ACPI: EC: missing write data confirmation, don't expect it any longer.

(and > 3 sec delay here)

PM: Writing back config space on device 0000:00:02.0 at offset 1 (was
900003, writing 900007)
PCI: Setting latency timer of device 0000:00:02.0 to 64
PM: Writing back config space on device 0000:00:02.1 at offset 1 (was
900000, writing 900003)
PM: Writing back config space on device 0000:00:1b.0 at offset 1 (was
100106, writing 100102)
PCI: Setting latency timer of device 0000:00:1b.0 to 64
PCI: Setting latency timer of device 0000:00:1c.0 to 64
PCI: Setting latency timer of device 0000:00:1c.1 to 64


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