[linux-usb-devel] 2.6.19-rc5-mm2 : usb keeps resetting usb keyboard.

[linux-usb-devel] 2.6.19-rc5-mm2 : usb keeps resetting usb keyboard.

Post by Alan Ster » Mon, 27 Nov 2006 02:00:24



Complaining about the messages in your log doesn't do any good. You need
to address the real problem, which is why your keyboard keeps needing to
be reset.

To get more information about the problem, you could try building a kernel
with CONFIG_USB_DEBUG turned on. Perhaps even more informative, you could
use the usbmon facility (see the instructions in
Documentation/usb/usbmon.txt). To keep the trace simple, you should
unplug all USB devices except the one you're testing.

Alan Stern

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1. [linux-usb-devel] 2.6.19-rc5: modular USB rebuilds vmlinux?

2. [linux-usb-devel] [GIT PATCH] USB patches for 2.6.19


Try it and see. You have to turn on CONFIG_USB_SUSPEND.

You also have to have autosuspend support in all the USB drivers for the
attached devices. Right now autosuspend is present only in the host
controller drivers and the hub driver -- it is not available in USBHID
(under development). But if you have a USB device with no driver bound,
or you unload its driver, then the device will automatically be suspended.

Alan Stern

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4. [linux-usb-devel] 2.6.15-rc5-mm2: ehci_hcd crashes on load sometimes

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