Re: Powering off or resetting USB peripherals

2011-07-07 Thread Mark Kamichoff
On Thu, Jul 07, 2011 at 03:02:56PM +0200, lee wrote: > How about using a serial modem? Do others who have the same modem > have the same problems? It's possible that your modem is broken ... Swapping out the modem isn't really an option. Yes, this is a known problem. That being said, this is m

Re: Powering off or resetting USB peripherals

2011-07-07 Thread lee
Mark Kamichoff writes: > I removed all modules including usbcore, to the point where lsmod|grep > usb returns nothing. Unfortunately the modem remained powered. How about using a serial modem? Do others who have the same modem have the same problems? It's possible that your modem is broken ..

Re: Powering off or resetting USB peripherals

2011-07-06 Thread Mark Kamichoff
Hi William - On Wed, Jul 06, 2011 at 10:16:09PM -0400, William Hopkins wrote: > The drivers for a given device are responsible for initializing that > device, so rmmod && modprobe should do it. As originally mentioned, this unfortunately did not do it. I believe this reinitializes the portion o

Re: Powering off or resetting USB peripherals

2011-07-06 Thread William Hopkins
On 07/06/11 at 09:27pm, Mark Kamichoff wrote: > Is there some alternate way of cutting the power to a USB device > temporarily in order to reset it? Maybe some userland application that > I'm not aware of? The drivers for a given device are responsible for initializing that device, so rmmod && mo

Powering off or resetting USB peripherals

2011-07-06 Thread Mark Kamichoff
Hi - I've got an LG-VL600 LTE USB modem permanently connected to an ALIX.2D13 box running Debian. Support for the VL600 is fairly new at this point, so I'm running 2.6.38 slightly patched with the following: https://github.com/balrog-kun/LG-VL600-utils/ Although this box runs a complex mess of