Re: USB Mass Storage devices continually reenumerate
Alan Stern <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
On Wed, 17 Oct 2007, Felipe Balbi wrote: > > One way to check for too much power draw is to insert a powered hub > > between the device and the computer. > > Yeah, this should probably make things works... but also enabling USB > DEBUGGING you should see some sort of VBUS error thing... or at least > you'd be able to track vbus interrupts and check where they're failing > ;-) Not necessarily. What the host considers to be an overcurrent might differ from what the device needs. That is, if the device is drawing too little current to operate, then it probably isn't drawing so much current that it generates an error on the host. Alan Stern ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel