On Fri, 5 Aug 2005, Ravindra Upadhyaya wrote: > Hi, > I am using Linux kernel with version 2.6.10 for Mips32 Architecture > on an Embedded device. The device has one USB host port. The Problem > faced by me is > After Operating system is Up, when I insert a USB hub to the host > port, the USB hub gets detected, later if I insert any other USB > device to the connected hub, the device is not recognised. > But if the above devices are connected already before the OS is up, > then while booting the hub and the device gets recognised. Again after > that if I insert a another usb device (like hub or keyboard ) then > that device does not get recognised. > Can somebody give me a possible solution for the above mentioned problem?
The first step, if at all possible, is to upgrade to 2.6.11 or 2.6.12. If you can't do that, turn on USB verbose debugging in the kernel configuration (CONFIG_USB_DEBUG) and post the dmesg output showing what happens when you plug in your hub and other device. Alan Stern ------------------------------------------------------- SF.Net email is Sponsored by the Better Software Conference & EXPO September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
