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Message-ID: <449AFFAD.2030601@gmail.com>
Date: Thu, 22 Jun 2006 22:37:42 +0159
From: Jiri Slaby <jirislaby@gmail.com>
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To: Alan Stern <stern@rowland.harvard.edu>
CC: Greg KH <greg@kroah.com>, Andrew Morton <akpm@osdl.org>,
       linux-kernel@vger.kernel.org, pavel@suse.cz, linux-pm@osdl.org
Subject: Re: [linux-pm] swsusp regression [Was: 2.6.17-mm1]
References: <Pine.LNX.4.44L0.0606221505030.5772-100000@iolanthe.rowland.org>
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Alan Stern napsal(a):
>> Ok, the problem is in verify_suspended(), we are not detecting what type
>> of device this is.
>>
>> Alan, what are you trying to check for here?  What "bogus requests" were
>> you seeing from sysfs that you are trying to filter out?
> 
> I didn't write that routine, Dave Brownell did.  It has been there for
> ages.  The "bogus requests" are attempts by the user to suspend a USB
> device (by writing to /sys/devices/.../power/state) without first
> suspending all its children and interfaces.
> 
> (This can't happen when doing a global suspend because the PM core 
> iterates through the entire device tree.  It matters only for "runtime" or 
> "selective" suspend.)

But everything I did is:
echo reboot > /sys/power/disk
echo disk > /sys/power/state

No writing anywhere else.

regards,
-- 
Jiri Slaby         www.fi.muni.cz/~xslaby
\_.-^-._   jirislaby@gmail.com   _.-^-._/
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