Hi, On Mon, Jan 21, 2013 at 04:51:28PM +0900, Norbert Preining wrote: > Hi everyone, > (please Cc) > > I am currently running 3.8.0-rc4 and see the following behaviour: > When I plug/eject my kindle a few times, suddenly the kernel does > not see any USB activity any more. Nothing. PLugging in the kindle - > no reaction, plugging in a usb kbd - no reaction, plugging in a > usb mouse - no reaction. All dead. > > I turned on udev debug mode, no messages at all. > > I restarted udev - no changes. > > Unfortunately I have build the kernel with USB fix built in, > so I cannot unload the module. > > While everything connected, a simple > lsusb > didn't show up any devices but what was there from the beginning. > > Bu then, I did a > lsusb -v > and whoops everything was back there ... > > Is there a different way to achieve this? > Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub > Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 001 Device 007: ID 05ac:1006 Apple, Inc. Hub in Aluminum Keyboard > Bus 002 Device 003: ID 17ef:4815 Lenovo Integrated Webcam [R5U877] > Bus 001 Device 010: ID 1949:0004 Lab126 Amazon Kindle 3/4 > Bus 001 Device 008: ID 05ac:0220 Apple, Inc. Aluminum Keyboard (ANSI) > Bus 001 Device 009: ID 05ac:0304 Apple, Inc. Optical USB Mouse [Mitsumi] > > (now everything is connected via the kbd which serves as a hub, but > it was the same during direct connection of the kindle to the laptop). > > Lenovo ThinkPad Edge. Can you try rebuilding your kernel with CONFIG_USB_DEBUG=y and run your test again ? Maybe it gives us more information of what's going on. cheers -- balbi
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