V4L2_CORE: (UVCIOC_CTRL_MAP) Error: - Probook HP 6460b

Bug #1882256 reported by Geisson Carlos Rosario da Silva
12
This bug affects 2 people
Affects Status Importance Assigned to Milestone
guvcview (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

Hello everyone,

I would like to ask for help to fix a problem with my webcam.

When I type the command below:
guvcview -d /dev/video0

this is the error message:V4L2_CORE: (UVCIOC_CTRL_MAP) Error: Arquivo ou diretório inexistente
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: Arquivo ou diretório inexistente
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: Arquivo ou diretório inexistente
...
V4L2_CORE: (UVCIOC_CTRL_MAP) Error: Arquivo ou diretório inexistente
ALSA lib pcm_dmix.c:1052:(snd_pcm_dmix_open) unable to open slave
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_route.c:867:(find_matching_chmap) Found no matching channel map

Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in guvcview (Ubuntu):
status: New → Confirmed
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