linux-kernel - Re: [linux-pm] Resume hangs [was: mmotm 2010-12-02-16-34 uploaded]

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Message-ID: <4D64F678.10309@gmail.com>
Date:	Wed, 23 Feb 2011 12:58:48 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	Alan Stern <stern@...land.harvard.edu>
CC:	"Rafael J. Wysocki" <rjw@...e.com>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>
Subject: Re: [linux-pm] Resume hangs [was: mmotm 2010-12-02-16-34 uploaded]

On 02/22/2011 04:36 PM, Alan Stern wrote:
> By the way, are you booting with no_console_suspend?  And do you do 
> "echo 8 >/proc/sys/kernel/printk" (or equivalently, Alt-SysRq-8) before 
> suspending?

Nope.

> What about if you leave async enabled for all the USB devices _except_ 
> usb[1-N]?

Ok, so now I have:
/sys/bus/usb/devices/usb1/power/async:disabled
/sys/bus/usb/devices/usb2/power/async:disabled
/sys/bus/usb/devices/usb3/power/async:disabled
/sys/bus/usb/devices/usb4/power/async:disabled
/sys/bus/usb/devices/usb5/power/async:disabled
/sys/bus/usb/devices/usb6/power/async:disabled
/sys/bus/usb/devices/usb7/power/async:disabled
/sys/bus/usb/devices/usb8/power/async:disabled
/sys/bus/usb/devices/1-0:1.0/power/async:enabled
/sys/bus/usb/devices/2-0:1.0/power/async:enabled
/sys/bus/usb/devices/2-6/power/async:enabled
/sys/bus/usb/devices/2-6:1.0/power/async:enabled
/sys/bus/usb/devices/2-6:1.1/power/async:enabled
/sys/bus/usb/devices/3-0:1.0/power/async:enabled
/sys/bus/usb/devices/4-0:1.0/power/async:enabled
/sys/bus/usb/devices/4-2/power/async:enabled
/sys/bus/usb/devices/4-2.1/power/async:enabled
/sys/bus/usb/devices/4-2:1.0/power/async:enabled
/sys/bus/usb/devices/4-2.1:1.0/power/async:enabled
/sys/bus/usb/devices/4-2.1:1.1/power/async:enabled
/sys/bus/usb/devices/4-2.2/power/async:enabled
/sys/bus/usb/devices/4-2.2:1.0/power/async:enabled
/sys/bus/usb/devices/5-0:1.0/power/async:enabled
/sys/bus/usb/devices/6-0:1.0/power/async:enabled
/sys/bus/usb/devices/7-0:1.0/power/async:enabled
/sys/bus/usb/devices/8-0:1.0/power/async:enabled

Let's see.

regards,
-- 
js
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