Lenovo T61, USB fails to power on after resume
Sean Bruno
sbruno at ignoranthack.me
Tue Jun 3 16:37:16 UTC 2014
On Tue, 2014-06-03 at 17:54 +0200, Hans Petter Selasky wrote:
> On 06/03/14 16:56, Sean Bruno wrote:
> > Noted that on resume, the USB ports on my T61 don't seem to be active.
> >
> > How should I go about debugging this?
> >
> > sean
>
> Hi,
>
> The USB stack performs the same EHCI/OHCI/UHCI/XHCI reset which is does
> during power on, when it resumes. Ensure the ports are powered. +5V.
> Might be a BIOS/PCI/ACPI issue.
>
> --HPS
>
Is there something in the output of usbconfig that I can poke at to see
if the hardware *thinks* it is powered on?
sean
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