Re: USB camera;

[peter@easthope.ca]

*	From: Reco <recoverym4n@gmail.com>
*	Date: Thu, 21 Sep 2017 14:10:35 +0300
> reportbug is teasing you.
> Today's kernel update bumped the kernel to 4.9.30-2+deb9u5.
> Update the kernel, disregard reportbug warning and file a bugreport.

Now I have the kernel you mention and a /dev/video0.  A little 
progress but still no image. 
"GUVCVIEW: no valid file extension for image file"
A file name problem?  Any simple fix for that?
Any further comments before I make a bug report?

Thanks,              ... Peter E.

peter@dalton:~$ dpkg -l | grep linux-image
ii  linux-image-4.9.0-3-686-pae         4.9.30-2+deb9u5                    i386
        Linux 4.9 for modern PCs
peter@dalton:~$ ls /dev/video*
/dev/video0
peter@dalton:~$ guvcview /dev/video0
GUVCVIEW: version 2.0.4
GUVCVIEW: (config) skiping invalid entry at line 8 ('format', 'MJPG')
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: No such file or directory
V4L2_CORE: (VIDIOC_G_EXT_CTRLS) failed
V4L2_CORE: using VIDIOC_G_CTRL for user class controls
V4L2_CORE: (VIDIOC_G_EXT_CTRLS) failed
V4L2_CORE: using VIDIOC_G_EXT_CTRLS on single controls for class: 0x009a0000
V4L2_CORE: control id: 0x009a0908 failed to get (error -1)
V4L2_CORE: control id: 0x009a0909 failed to get (error -1)
V4L2_CORE: control id: 0x009a090d failed to get (error -1)
GUVCVIEW: no valid file extension for image file 
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
ALSA lib pcm.c:2495:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
V4L2_CORE: (VIDIOC_S_FORMAT) Unable to set format: Input/output error
GUCVIEW: could not set the defined stream format
GUCVIEW: trying first listed stream format
V4L2_CORE: (VIDIOC_S_FORMAT) Unable to set format: Input/output error
GUCVIEW: also could not set the first listed stream format
GUVCVIEW: Video capture failed
GUVCVIEW (1): Guvcview error
	 could not start a video stream in the device

(guvcview:14881): Gtk-WARNING **: Theme parsing error: <data>:1:17: not a number

(guvcview:14881): Gtk-WARNING **: Theme parsing error: <data>:1:31: Using Pango syntax for the font: style property is deprecated; please use CSS syntax

(guvcview:14881): Gtk-WARNING **: Theme parsing error: <data>:1:17: not a number

(guvcview:14881): Gtk-WARNING **: Theme parsing error: <data>:1:32: Using Pango syntax for the font: style property is deprecated; please use CSS syntax

(guvcview:14881): Gtk-WARNING **: Theme parsing error: <data>:1:17: not a number

(guvcview:14881): Gtk-WARNING **: Theme parsing error: <data>:1:26: Using Pango syntax for the font: style property is deprecated; please use CSS syntax
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
V4L2_CORE: (VIDIOC_S_PARM) error: Device or resource busy
V4L2_CORE: Unable to set 1/30 fps
Terminated
peter@dalton:~$ 

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