[Sugar-devel] [TRANSIENT ISSUE] 3G-Modem not being recognised

Richard A. Smith richard at laptop.org
Wed Nov 21 04:48:06 EST 2012

On 11/21/2012 01:07 AM, Jerry Vonau wrote:

> Dropping the power to the usb bus is making the modem play peek-a-boo
> with the kernel: http://dev.laptop.org/ticket/10708.
> <http://dev.laptop.org/ticket/10708>

And just to be clear its more than just a power dropping problem.  Both 
1.75 and XO-4 both have the ability to keep the USB bus powered during 
suspend (with an EC firmware change) but on resume the kernel resets the 
USB bus.  I don't know if the kernel has an option not to do that.

Richard A. Smith  <richard at laptop.org>
One Laptop per Child

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