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Message-ID: <4D394EF3.5000805@gmail.com>
Date: Fri, 21 Jan 2011 10:16:35 +0100
From: Jiri Slaby <jirislaby@gmail.com>
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To: "Rafael J. Wysocki" <rjw@suse.com>
CC: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
        Linux-pm mailing list <linux-pm@lists.linux-foundation.org>
Subject: Re: Resume hangs [was: mmotm 2010-12-02-16-34 uploaded]
References: <201012030107.oB317ZSW019223@imap1.linux-foundation.org> <4D25CF4A.9090202@gmail.com> <4D38538E.9070104@gmail.com> <201101202202.01089.rjw@suse.com>
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On 01/20/2011 10:02 PM, Rafael J. Wysocki wrote:
> In that case the next step would be to build the kernel with
> CONFIG_PM_ADVANCED_DEBUG set and try to switch the async flag for individual
> devices (it is located is /sys/devices/.../power/ for each device).
> 
> For example, I wonder if it is sufficient to unset it for all USB devices.

Ok, I added
for aa in /sys/bus/usb/devices/*/power/async; do
        echo disabled > $aa
done
to /etc/init.d/boot.local. Let's see :).

thanks,
-- 
js