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    SubjectRe: [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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