Re: webcamd not started automatically

From: Jakob Alvermark <jakob_at_alvermark.net>
Date: Sat, 20 Feb 2021 17:09:47 +0100
On 2/20/21 5:00 PM, Hans Petter Selasky wrote:
> On 2/20/21 3:33 PM, Jakob Alvermark wrote:
>> # service webcamd start ugen1.7
>> webcamd 19267 - - Attached to ugen1.7[0]
>> # ls /var/run/webcamd.*
>> /var/run/webcamd.1.7.0.pid    /var/run/webcamd.2.4.0.pid
>> # cat /var/run/webcamd.1.7.0.pid
>
> It might be something in the devd script which only starts the one 
> webcam. Can you dump the USB device descriptor for both webcams?
>
> usbconfig -d X.Y dump_device_desc
>
> Where X.Y are the numbers after ugen.
>
$ usbconfig -d 1.7 dump_device_desc
ugen1.7: <vendor 0x046d product 0x0825> at usbus1, cfg=0 md=HOST 
spd=HIGH (480Mbps) pwr=ON (500mA)

   bLength = 0x0012
   bDescriptorType = 0x0001
   bcdUSB = 0x0200
   bDeviceClass = 0x00ef  <Miscellaneous device>
   bDeviceSubClass = 0x0002
   bDeviceProtocol = 0x0001
   bMaxPacketSize0 = 0x0040
   idVendor = 0x046d
   idProduct = 0x0825
   bcdDevice = 0x0012
   iManufacturer = 0x0000  <no string>
   iProduct = 0x0000  <no string>
   iSerialNumber = 0x0002  <AE73A920>
   bNumConfigurations = 0x0001

$ usbconfig -d 2.4 dump_device_desc
ugen2.4: <Chicony Electronics Co.,Ltd. Integrated Camera> at usbus2, 
cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON (500mA)

   bLength = 0x0012
   bDescriptorType = 0x0001
   bcdUSB = 0x0201
   bDeviceClass = 0x00ef  <Miscellaneous device>
   bDeviceSubClass = 0x0002
   bDeviceProtocol = 0x0001
   bMaxPacketSize0 = 0x0040
   idVendor = 0x04f2
   idProduct = 0xb681
   bcdDevice = 0x6926
   iManufacturer = 0x0003  <Chicony Electronics Co.,Ltd.>
   iProduct = 0x0001  <Integrated Camera>
   iSerialNumber = 0x0002  <6926>
   bNumConfigurations = 0x0001

$


Jakob
Received on Sat Feb 20 2021 - 15:09:50 UTC

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