Bug#877495: cheese: Not finding camera

[kwadronaut]

Package: cheese
Version: 3.22.1-1+b1
Severity: important

Dear Maintainer,

When using monkeyscan, guvcview, vlc,… the webcam works fine. Cheese however only works when run as root(!).

➜  ~ cheese

(cheese:26705): Gtk-WARNING **: Theme parsing error: cheese.css:7:35:
The style property GtkScrollbar:min-slider-length is deprecated and
shouldn't be used anymore. It will be removed in a future version
** Message: cheese-application.vala:211: Error during camera setup: No
device found


(cheese:26705): cheese-CRITICAL **: cheese_camera_device_get_name:
assertion 'CHEESE_IS_CAMERA_DEVICE (device)' failed

(cheese:26705): GLib-CRITICAL **: g_variant_new_string: assertion
'string != NULL' failed

(cheese:26705): GLib-GIO-CRITICAL **: g_settings_schema_key_type_check:
assertion 'value != NULL' failed

(cheese:26705): GLib-CRITICAL **: g_variant_get_type_string: assertion
'value != NULL' failed

(cheese:26705): GLib-GIO-CRITICAL **: g_settings_set_value: key 'camera'
in 'org.gnome.Cheese' expects type 's', but a GVariant of type '(null)'
was given

** (cheese:26705): CRITICAL **:
cheese_preferences_dialog_setup_resolutions_for_device: assertion
'device != NULL' failed
➜  ~ cheese -d /dev/video0 

(cheese:26751): Gtk-WARNING **: Theme parsing error: cheese.css:7:35:
The style property GtkScrollbar:min-slider-length is deprecated and
shouldn't be used anymore. It will be removed in a future version
** Message: cheese-application.vala:211: Error during camera setup: No
device found


(cheese:26751): cheese-CRITICAL **: cheese_camera_device_get_name:
assertion 'CHEESE_IS_CAMERA_DEVICE (device)' failed

(cheese:26751): GLib-CRITICAL **: g_variant_new_string: assertion
'string != NULL' failed

(cheese:26751): GLib-GIO-CRITICAL **: g_settings_schema_key_type_check:
assertion 'value != NULL' failed

(cheese:26751): GLib-CRITICAL **: g_variant_get_type_string: assertion
'value != NULL' failed

(cheese:26751): GLib-GIO-CRITICAL **: g_settings_set_value: key 'camera'
in 'org.gnome.Cheese' expects type 's', but a GVariant of type '(null)'
was given

** (cheese:26751): CRITICAL **:
cheese_preferences_dialog_setup_resolutions_for_device: assertion
'device != NULL' failed

Bus 001 Device 004: ID 04f2:b217 Chicony Electronics Co., Ltd Lenovo
Integrated Camera (0.3MP)

crw-rw----+ 1 root video 81, 0 Sep 29 13:08 /dev/video0

I am in the video group. There are no udev rules (except for whatever
comes with Debian and for keeping sane network device names).

-- System Information:
Debian Release: 9.1
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.9.0-3-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8), LANGUAGE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages cheese depends on:
ii  cheese-common          3.22.1-1
ii  gnome-video-effects    0.4.1-3
ii  libc6                  2.24-11+deb9u1
ii  libcanberra-gtk3-0     0.30-3
ii  libcheese-gtk25        3.22.1-1+b1
ii  libcheese8             3.22.1-1+b1
ii  libclutter-1.0-0       1.26.0+dfsg-3
ii  libclutter-gtk-1.0-0   1.8.2-2
ii  libgdk-pixbuf2.0-0     2.36.5-2+deb9u1
ii  libglib2.0-0           2.50.3-2
ii  libgnome-desktop-3-12  3.22.2-1
ii  libgstreamer1.0-0      1.10.4-1
ii  libgtk-3-0             3.22.11-1

Versions of packages cheese recommends:
ii  gvfs  1.30.4-1
ii  yelp  3.22.0-1

Versions of packages cheese suggests:
pn  gnome-video-effects-frei0r  <none>

-- no debconf information