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 21:48:46 +0300
From:	Alexey Starikovskiy <astarikovskiy@...e.de>
To:	Pavel Machek <pavel@...e.cz>
CC:	"Rafael J. Wysocki" <rjw@...k.pl>,
	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>,
	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)

Pavel Machek wrote:
> 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.
This means that either ACPI interrupt or EC GPE is already disabled,
but readings from EC continue. 
> 
> 
> (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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