cuse4bsd+webcamd and /dev/video

[Sergey V. Dyatko]

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.

from /var/log/messages: 

Jun 27 09:25:58 laptop tiger: Unknown USB device: vendor 0x0c45 product 0x6310
bus uhub6 
Jun 27 09:25:58 laptop tiger: Unknown USB device: vendor 0x0c45
product 0x6310 bus uhub6 
Jun 27 09:28:31 laptop last message repeated 4 times



--
wbr, tiger