Public bug reported:
CID: 201203-10664 Dell Inspiron 7420
On this system, the camera_test script is able to display video capture form
the built-in camera.
But it's unable to display a still image and multiple resolution images, the
file size of temporarily stored file is zero.
Causing the image viewer complain about "Could not load image" (screenshot
attached)
Or "Failed to validate image" for multiple resolution images test case.
I tried to get more information from the script by adding "-v" to
fswebcam command like this:
def _still_helper(self, filename, width, height, quiet, pixelformat=None):
"""
Captures an image to a given filename. width and height specify the
image size and quiet controls whether the image is displayed to the
user (quiet = True means do not display image).
"""
command = ["fswebcam -v", "-S 3", "--no-banner",
"-d", self.args.device,
I didn't get any extra imformation, but both the "still" and
"resolutions" test cases work fine with this.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.5.0-34-generic 3.5.0-34.55~precise1
ProcVersionSignature: Ubuntu 3.5.0-34.55~precise1-generic 3.5.7.13
Uname: Linux 3.5.0-34-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
ApportVersion: 2.0.1-0ubuntu17.3
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 1635 F.... pulseaudio
CRDA:
country TW:
(2402 - 2472 @ 40), (3, 27)
(5270 - 5330 @ 40), (3, 17), DFS
(5735 - 5815 @ 40), (3, 30)
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf1610000 irq 46'
Mixer name : 'Intel PantherPoint HDMI'
Components : 'HDA:14f1506e,1028055f,00100002
HDA:80862806,80860101,00100000'
Controls : 26
Simple ctrls : 11
Date: Wed Jun 26 15:32:34 2013
HibernationDevice: RESUME=UUID=1b545ae9-c477-4296-bad8-13df99c1a066
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64
(20130213)
MachineType: Dell Inc. Inspiron 7420
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB:
0 inteldrmfb
1 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-34-generic
root=UUID=cae2ed03-ffc3-4fe2-8206-9939fad0a62a ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.5.0-34-generic N/A
linux-backports-modules-3.5.0-34-generic N/A
linux-firmware 1.79.4
SourcePackage: linux
StagingDrivers: rts5139
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/24/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: X58
dmi.board.name: A4E3T1
dmi.board.vendor: Dell Inc.
dmi.board.version: X02
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnDellInc.:bvrX58:bd07/24/2012:svnDellInc.:pnInspiron7420:pvr:rvnDellInc.:rnA4E3T1:rvrX02:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: Inspiron 7420
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: 201203-10664 amd64 apport-bug precise qa-kernel-lts-testing
running-unity staging taipei-lab
** Attachment added: "Screenshot.png"
https://bugs.launchpad.net/bugs/1194761/+attachment/3714307/+files/Screenshot.png
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https://bugs.launchpad.net/bugs/1194761
Title:
Camera test is unable to take still pictures
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