webcamd quirkyness

[Hans Petter Selasky]

On Wednesday 30 March 2011 23:30:32 J.R. Oldroyd wrote:
> I'm playing with a built-in webcam here, a Sonix Technology Co CNF9055
> with usb-ID 04f2:b1d6.  This ID isn't listed in the webcamd man pages,
> but the camera does work... sort of.
> 
> If I run webcamd in the foreground, about 7-8 times out of 10, I get:
> 

Hi,

> # /usr/local/sbin/webcamd -d 3.3 -i 0
> Attached ugen3.3[0] to cuse unit 0
> Creating /dev/video0
> 

Compile the webcamd port with debugging option set. Then use the -s and -m 
options to enable debugging in the various drivers.

> And the video works.  Cool!
> 
> But sometimes, about 25% of the time, it hangs at:
> 
> # /usr/local/sbin/webcamd -d 3.3 -i 0
> Attached ugen3.3[0] to cuse unit 0
> 
> with no creation of the video device.

Probably some USB request is hanging. 

> 
> If I run it in the background, it fails 100% of the time:
> 
> # /usr/local/sbin/webcamd -B -d 3.3 -i 0
> Attached ugen3.3[0] to cuse unit -1
> #
> 
> which also means it fails to start if webcamd is started from its rc.d
> script at boot time.
> 
> Webcamd version is 0.1.23, cuse is 0.1.13.  System is 8.2-release amd64.
> 
> ugen3.3: <CNF9055 Sonix Technology Co., Ltd.> at usbus3, cfg=0 md=HOST
> spd=HIGH (480Mbps) pwr=ON
> 
>   bLength = 0x0012
>   bDescriptorType = 0x0001
>   bcdUSB = 0x0200
>   bDeviceClass = 0x00ef
>   bDeviceSubClass = 0x0002
>   bDeviceProtocol = 0x0001
>   bMaxPacketSize0 = 0x0040
>   idVendor = 0x04f2
>   idProduct = 0xb1d6
>   bcdDevice = 0x2613
>   iManufacturer = 0x0002  <Sonix Technology Co., Ltd.>
>   iProduct = 0x0001  <CNF9055>
>   iSerialNumber = 0x0000  <no string>
>   bNumConfigurations = 0x0001
> 
> What other info can I provide to debug this?
> 
> 	-jr

--HPS