Date: Wed, 25 Mar 2020 09:02:35 +0100 From: Hans Petter Selasky <hps@selasky.org> To: "Russell L. Carter" <rcarter@pinyon.org>, freebsd-multimedia@freebsd.org Subject: Re: Logitech HD Pro Webcam C920 Message-ID: <dcd9dd13-ff1c-71db-3221-77d60b47c313@selasky.org> In-Reply-To: <104d42cb-43f4-573c-9a0f-f1892ca40e2f@pinyon.org> References: <104d42cb-43f4-573c-9a0f-f1892ca40e2f@pinyon.org>
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On 2020-03-24 21:10, Russell L. Carter wrote: > Greetings, > > I have a shiny new Logitech C920S USB webcam which identifies as a > [-d ugen5.9] vendor-0x046d-HD-Pro-Webcam-C920 -S E0E2DC0F > when running webcamd as root. I can't get /dev/video0 created. > > I have put in the mandatory 4 hours or so on my own with google and > the man pages as my helpers, and I think I'm close, but so far > no joy. > > I can get it specifically matched with devd via > /usr/local/etc/devd/webcamd.conf (though no actions work). > > So for example, if I run, as root: > root@feyerabend> webcamd -d ugen5.9 -N vendor-0x046d-HD-Pro-Webcam-C920 > -S E0E2DC0F -M 0 > webcamd: Cannot find USB device > > Alternatively: > > root@feyerabend> /usr/local/etc/rc.d/webcamd start ugen5.9 > Attached to ugen5.9[0] > root@feyerabend> > > But no /dev/video0 creation, no running webcamd, nothing in > /var/log/messages etc. > > When I plug in the cam, I get the following in /var/log/messages: > Mar 24 13:07:56 feyerabend kernel: ugen5.9: <vendor 0x046d HD Pro Webcam > C920> at usbus5 (disconnected) > Mar 24 13:08:23 feyerabend kernel: usb_alloc_device: Failure selecting > configuration index 0:USB_ERR_TIMEOUT, port 4, addr 8 (ignored) > Mar 24 13:08:23 feyerabend kernel: ugen5.9: <vendor 0x046d HD Pro Webcam > C920> at usbus5 > > Not sure if that long timeout is significant. > > Any help is much appreciated. > Try: usbconfig -d 5.9 set_config 0 The error message above means your webcam is not working properly. Can you also show the output from usbconfig. --HPS
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