Public bug reported:
The dmesg log should be attached. Camera doesn't work. It worked once
when I first plugged it and run guvcview (cheese couldn't find it).
Offending lines:
[ 184.760036] usb 2-4: new high-speed USB device number 2 using ehci-pci
[ 184.936757] usb 2-4: New USB device found, idVendor=0ac8, idProduct=3420
[ 184.936762] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 184.936765] usb 2-4: Product: Vimicro USB2.0 Camera
[ 184.936768] usb 2-4: Manufacturer: Vimicro Corp.
[ 185.096698] media: Linux media interface: v0.10
[ 185.137703] Linux video capture interface: v2.00
[ 236.272492] usbcore: registered new interface driver snd-usb-audio
[ 236.273934] uvcvideo: Found UVC 1.00 device Vimicro USB2.0 Camera (0ac8:3420)
[ 236.291047] uvcvideo 2-4:1.0: Entity type for entity Processing 2 was not
initialized!
[ 236.291054] uvcvideo 2-4:1.0: Entity type for entity Camera 1 was not
initialized!
[ 236.291057] uvcvideo 2-4:1.0: Entity type for entity Extension 4 was not
initialized!
[ 236.291781] input: Vimicro USB2.0 Camera as
/devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4:1.0/input/input14
[ 236.303796] usbcore: registered new interface driver uvcvideo
[ 236.303799] USB Video Class driver (1.1.1)
[ 256.624304] usb 2-4: USB disconnect, device number 2
[ 256.648053] ------------[ cut here ]------------
[ 256.648063] WARNING: CPU: 1 PID: 6752 at
/build/linux-RZGRu0/linux-4.8.0/fs/sysfs/group.c:237
sysfs_remove_group+0x8b/0x90
[ 256.648065] sysfs group ffffffff9c8d04a0 not found for kobject 'event14'
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: linux-image-4.8.0-34-generic 4.8.0-34.36
ProcVersionSignature: Ubuntu 4.8.0-34.36-generic 4.8.11
Uname: Linux 4.8.0-34-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.3-0ubuntu8.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: techtonik 6121 F.... pulseaudio
/dev/snd/controlC0: techtonik 6121 F.... pulseaudio
Date: Thu Jan 12 11:40:54 2017
HibernationDevice: RESUME=UUID=89bb43be-f25f-4caa-9f0c-7bb67d5f5583
MachineType: System manufacturer P5KR
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-34-generic
root=UUID=8814b3f6-00a6-45a7-a112-afd933fdc5b5 ro quiet splash vt.handoff=7
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not
accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.8.0-34-generic N/A
linux-backports-modules-4.8.0-34-generic N/A
linux-firmware 1.161.1
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to yakkety on 2016-10-20 (84 days ago)
dmi.bios.date: 06/26/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0703
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5KR
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0703:bd06/26/2008:svnSystemmanufacturer:pnP5KR:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5KR:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5KR
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug yakkety
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https://bugs.launchpad.net/bugs/1655878
Title:
uvcvideo fails to init camera and then dmesg is full with traces
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