cuse4bsd+webcamd and /dev/video

[Hans Petter Selasky]

On 06/27/14 08:29, Sergey V. Dyatko wrote:
> On Fri, 27 Jun 2014 08:14:00 +0200
> Hans Petter Selasky <hps at selasky.org> wrote:
>
>> On 06/27/14 08:06, Sergey V. Dyatko wrote:
>>> Hi,
>>>
>>> last time I was using my webcam was around year ago and all works fine.
>>> today when I try use it I was confused - /dev/video0 is gone
>>> how can I solve this ?  Little details:
>>>
>>> laptop# pkg info -x cuse webc
>>> cuse4bsd-kmod-0.1.33_1
>>> webcamd-3.13.0.6
>>> laptop# uname -a
>>> FreeBSD laptop.minsk.domain 11.0-CURRENT FreeBSD 11.0-CURRENT #4 r265903M:
>>> Mon May 12 13:33:54 FET 2014
>>> root at laptop.minsk.domain:/usr/obj/usr/src/sys/b450  amd64
>>>
>>> laptop# kldstat |grep cuse
>>> 17    1 0xffffffff8286e000 46c3     cuse4bsd.ko
>>>
>>> laptop# ll /dev/cuse
>>> crw-------  1 root  operator  0x85 27 июн 08:24 /dev/cuse
>>> laptop# ll /dev/v*
>>> ls: No match.
>>>
>>> laptop# grep webcam /etc/rc.conf
>>> webcamd_enable="YES"
>>>
>>> laptop# service webcamd rcvar
>>> laptop# echo $?
>>> 0
>>>    ^^^ ?
>>>
>>> laptop# service devd restart
>>> Stopping devd.
>>> Waiting for PIDS: 3838.
>>> Starting devd.
>>> laptop# ll /dev/v*
>>> ls: No match.
>>>
>>> BUT:
>>> laptop# usbconfig |grep -i cam
>>> ugen7.2: <Lenovo EasyCamera Sonix Technology Co., Ltd.> at usbus7, cfg=0
>>> md=HOST spd=HIGH (480Mbps) pwr=ON (500mA)
>>>
>>> laptop# webcamd -d ugen7.2 -i 0 -v 0
>>> Attached to ugen7.2[0]
>>> Creating /dev/video0
>>>
>>> [tiger at laptop]:~>ll /dev/vi*
>>> crw-rw----  1 webcamd  webcamd  0x83 27 июн 08:59 /dev/video0
>>>
>>>
>>> --
>>> wbr, tiger
>>>
>>
>> Hi,
>>
>> For devd to automatically attach webcamd again you need to do:
>>
>> usbconfig -d x.y reset
>>
>> Restarting devd is not enough. Where x.y are the numbers after "ugen" in
>> dmesg for your device.
>>
>> --HPS
>>
>
> Hans, thank you for quick reply!
>
> laptop# usbconfig
> ...
> ugen7.2: <Lenovo EasyCamera Sonix Technology Co., Ltd.> at
> usbus7, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON (500mA)
> ...
> laptop# usbconfig -d 7.2 reset
> laptop# ls -al /dev/vi*
> ls: No match.
>

Hi,

Check /usr/local/etc/devd/webcamd.conf which is installed by the webcamd 
port.

It possibly does not match the probe string when the USB device is attached.

Also check that devd is running.

--HPS