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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1708922
Title:
uvcvideo module does not work with Dell XPS 12 webcam
Status in linux package in Ubuntu:
Incomplete
Bug description:
uvcvideo: Found UVC 1.00 device Integrated Webcam (0bda:5716) from
Dell XPS 12 laptop (9Q33 version) does not work properly for several
versions of the kernel now.
guvcview nor cheese both show the issue, so it's the uvcvideo driver.
Starting at 640x480 and higher resolutions, parts of lower half of
video flickers / don't show image.
Error messages:
V4L2_CORE: (jpeg decoder) error while decoding frame
V4L2_CORE: (jpeg decoder) Ignoring empty buffer
V4L2_CORE: Error - Couldn't decode frame
VLC seems to use another driver AND DOES NOT SHOW issue.
ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: cheese 3.24.0-0ubuntu1
ProcVersionSignature: Ubuntu 4.11.0-10.15-generic 4.11.8
Uname: Linux 4.11.0-10-generic x86_64
ApportVersion: 2.20.6-0ubuntu4
Architecture: amd64
CrashCounter: 1
CurrentDesktop: GNOME
Date: Sun Aug 6 12:15:28 2017
ExecutablePath: /usr/bin/cheese
InstallationDate: Installed on 2017-04-01 (127 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Beta amd64 (20170331)
MachineType: Dell Inc. XPS 12-9Q33
ProcCmdline: cheese
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
RelatedPackageVersions:
cheese 3.24.0-0ubuntu1
cheese-common 3.24.0-0ubuntu1
Signal: 8
SourcePackage: linux
StacktraceTop:
cheese_camera_play () from /usr/lib/x86_64-linux-gnu/libcheese.so.8
?? ()
g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: cheese crashed with SIGFPE in cheese_camera_play()
UpgradeStatus: Upgraded to artful on 2017-06-08 (59 days ago)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
dmi.bios.date: 03/03/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: XPS 12-9Q33
dmi.board.vendor: Dell Inc.
dmi.board.version: A08
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias:
dmi:bvnDellInc.:bvrA08:bd03/03/2015:svnDellInc.:pnXPS12-9Q33:pvrA08:rvnDellInc.:rnXPS12-9Q33:rvrA08:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: XPS 12-9Q33
dmi.product.version: A08
dmi.sys.vendor: Dell Inc.
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