Lenovo T61, USB fails to power on after resume
Hans Petter Selasky
hps at selasky.org
Tue Jun 3 15:54:23 UTC 2014
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
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