Messages in this thread | | | Date | Mon, 9 Apr 2007 16:29:41 +0200 | From | Matthias Andree <> | Subject | 2.6.21-rc6 USB Keyboard hangs (EHCI/UHCI/HID) |
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Please Cc: me on replies, as I read linux-kernel sporadically and am not subscribed to linux-usb-devel at all.
Greetings,
I have seen my USB keyboard drivers lock up several times now with my M$ Natural Ergonomic Keyboard, both on SUSE 10.2's current kernel as well as 2.6.21-rc6 today. I don't ever recall this happen with older SUSE 10.0 kernels. The keyboard is connected to a USB2.0 hub with single transaction translator (at least that's what FreeBSD 6.2 says), which is connected to a via root hub.
Symptoms are that the keyboard LEDs go off and no further input is impossible (I'm typing this into a PS/2 keyboard). Replugging does not help. Trying to unload ehci-hcd hangs modprobe, and additionally I've got a stuck khubd (not sure if that's related), else no logging.
I'm rebuilding the kernel with HID/USB debugging cranked up to see if I can get some detail out of the situation. Any specific kernel debugging options that might help me debug this further?
Thanks,
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