Comment 16 for bug 136549

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Javier Jardón (jjardon) wrote : Re: Powertop suggest to add usbcore.autosuspend=1 to grub's kernel line, doesn't work

See http://www.bughost.org/pipermail/power/2007-September/000992.html

Alan Jenkins wrote:
> Perhaps you have usbcore installed as a module? (CONFIG_USB=m). You can find
> out by checking for it in the output from lsmod. In that case you would want
> to change the modprobe configuration file, um... e.g. add
>
> options usbcore autosuspend=1
>
> to /etc/modprobe.d/options