Messages in this thread | | | Date | Tue, 6 Apr 2010 05:35:20 -0400 (EDT) | From | Justin Piszcz <> | Subject | Re: 2.6.33.2: USB Quickcam Pro 9000 (usb resets)? |
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On Mon, 5 Apr 2010, Alan Stern wrote:
> On Mon, 5 Apr 2010, Justin Piszcz wrote: > >> Hi, >> >> When no webcam is used, I do not see disconnect/reconnects. >> When I use a webcam, I see the following, is this normal? >> Note: I run motion on this host. > > No, it is not normal. It indicates that the webcam is somehow > interfering with the signals from the keyboard hub.
So the USB hub is shared amongst the ports in the back of the board that I am using:
Port 1-> keyboard/mouse Port 2-> USB hub -> webcam Port 3-> UPS (but not using nut at the moment, just hooked up)
$ lsusb Bus 001 Device 023: ID 0461:4d15 Primax Electronics, Ltd Dell Optical Mouse Bus 001 Device 022: ID 413c:2002 Dell Computer Corp. SK-8125 Keyboard Bus 001 Device 005: ID 046d:0990 Logitech, Inc. QuickCam Pro 9000 Bus 001 Device 004: ID 413c:1002 Dell Computer Corp. Keyboard Hub Bus 001 Device 003: ID 2001:f103 D-Link Corp. [hex] DUB-H7 7-port USB 2.0 hub Bus 001 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 003: ID 051d:0002 American Power Conversion Uninterruptible Power Supply Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Any recommendations/workarounds how to fix or just ignore it?
Justin.
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