linux-kernel - Re: FW: [linux-pm] select with timeout across S3

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Message-ID: <20080911092408.GA14503@elf.ucw.cz>
Date:	Thu, 11 Sep 2008 11:24:10 +0200
From:	Pavel Machek <pavel@...e.cz>
To:	"Leisner, Martin" <Martin.Leisner@...ox.com>
Cc:	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org,
	martyleisner@...oo.com
Subject: Re: FW: [linux-pm] select with timeout across S3

On Thu 2008-09-11 02:17:10, Leisner, Martin wrote:
> Hi,
> 
> I finally got 2.6.27-rc5 running...no change in my test program...
> 
> I'm going to look at the patches we're using for 2.4.20/2.6.20...

So the bug is still there, or did 2.6.27-rc5 magically solve the problem?

> marty
> 
> 
> -----Original Message-----
> From: Pavel Machek [mailto:pavel@...e.cz]
> Sent: Mon 9/1/2008 2:25 AM
> To: Leisner, Martin
> Cc: linux-kernel@...r.kernel.org; linux-pm@...ts.linux-foundation.org
> Subject: Re: FW: [linux-pm] select with timeout across S3
>  
> Hi!
> 
> > The behavior of linux (in both 2.4.x and 2.6.x) is when the processor
> > sleeps, timeouts on select don't take into account the sleep time,
> > only the run time.
> > 
> > For example, this program should pause for 10 minutes -- however
> > if we go into S3 in the middle its pausing for (10 minutes + time in
> > S3)
> > 
> > I saw this on both 2.6.20 and 2.6.22...
> 
> Can you test this on 2.6.27-rc? We did have some fixes in that
> area....
> 
> 							Pavel
> 

-- 
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