On Tue, 10 May 2005, sri .. wrote: > Hello, > > I have some strange things happening with my USB boards. I'm using FC3 with > 2.6.10, and my USB controller is a 2.0 compatible Philips chip. Each board > has one of those USB controllers. If I plug in a board, system recognizes > and I can talk to the board. But, if I connect 2 boards at the same time > (the motherboard supports upto 4 USB 2.0 devices without external hub), I > get all sorts of errors. > Ex: > device descriptor read/64, error -110 > device descriptor read/64, error -32 > > So, I changed the driver to use the newer way of recognizing the USB > devices. It is very inconsistent - sometimes it detects 2 boards, and other > times it doesn't. > It gives errors like, > hub_port_status (err = -71) > USB disconnect > and then the USB hub on one of the boards stops working. > > I will go thru the source as soon as I get some time. I appreciate if some > one can point me in the right direction.
Here's a pointer: Upgrade to 2.6.11. There was a problem with the port initialization code, affecting especially high-speed devices, that got fixed in between those two releases. Alan Stern ------------------------------------------------------- This SF.Net email is sponsored by Oracle Space Sweepstakes Want to be the first software developer in space? Enter now for the Oracle Space Sweepstakes! http://ads.osdn.com/?ad_id=7393&alloc_id=16281&op=click _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
