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Re: [Bug 1373221] Re: guvcview crashed with SIGSEGV in get_ctrl_by_id()

 

Hi,
please upgrade to version 2.0.1, you can use one of the following ppa:

stable: https://launchpad.net/~pj-assis/+archive/ubuntu/ppa

testing (latest git): https://launchpad.net/~pj-
assis/+archive/ubuntu/testing

Regards,
Paulo

2015-01-21 4:37 GMT+00:00 vedavata <vedavrata@xxxxxxxxx>:
> The same problem. :-(
>
>  uname -a
> Linux DELL-E6430 3.16.0-30-generic #40-Ubuntu SMP Mon Jan 12 22:06:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
>
> Ubuntu 14.10 (Utopic Unicorn)
>
>
> tosik@DELL-E6430:~$ guvcview
> guvcview 1.7.3
> file guvcview_video.mkv has extension type 1
> file guvcview_image.jpg has extension type 0
>
> ** (guvcview:24741): WARNING **: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-Grv3g4WwxK: Connection refused
> file guvcview_image.jpg has extension type 0
> Video file suffix detected: 0
> Image file suffix detected: 0
> ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
> ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
> ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
> ALSA lib pcm_route.c:947:(find_matching_chmap) Found no matching channel map
> bt_audio_service_open: connect() failed: Connection refused (111)
> Cannot connect to server socket err = No such file or directory
> Cannot connect to server request channel
> jack server is not running or cannot be started
> checking format: JPEG
> Format unavailable: JPEG
> Init v4L2 failed !!
> Init video returned -2
> trying minimum setup ...
>         format: YUYV
>         resolution: 640 x 480
>         framerate: 1/30
> video device: /dev/video0
> vid:046d
> pid:0825
> driver:uvcvideo
> device doesn't seem to support uvc H264 (0)
> mapping control for Pan (relative)
> UVCIOC_CTRL_MAP - Error: No such file or directory
> mapping control for Tilt (relative)
> UVCIOC_CTRL_MAP - Error: No such file or directory
> mapping control for Pan Reset
> UVCIOC_CTRL_MAP - Error: No such file or directory
> mapping control for Tilt Reset
> UVCIOC_CTRL_MAP - Error: No such file or directory
> mapping control for Focus (absolute)
> UVCIOC_CTRL_MAP - Error: No such file or directory
> mapping control for LED1 Mode
> UVCIOC_CTRL_MAP - Error: No such file or directory
> mapping control for LED1 Frequency
> UVCIOC_CTRL_MAP - Error: No such file or directory
> mapping control for Disable video processing
> UVCIOC_CTRL_MAP - Error: No such file or directory
> mapping control for Raw bits per pixel
> UVCIOC_CTRL_MAP - Error: No such file or directory
> Init. UVC Camera (046d:0825) (location: usb-0000:00:1d.0-1.7.2)
> { pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' }
> { pixelformat = 'MJPG', description = 'MJPEG' }
> { pixelformat = 'RGB3', description = 'RGB3' }
> { pixelformat = 'BGR3', description = 'BGR3' }
> { pixelformat = 'YU12', description = 'YU12' }
> { pixelformat = 'YV12', description = 'YV12' }
> checking muxed H264 format support
> device doesn't seem to support uvc H264 (0)
> checking format: YUYV
> fps is set to 1/30
> drawing controls
>
> Segmentation fault (core dumped)
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1373221
>
> Title:
>   guvcview crashed with SIGSEGV in get_ctrl_by_id()
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/guvcview/+bug/1373221/+subscriptions

-- 
You received this bug notification because you are a member of Desktop
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https://bugs.launchpad.net/bugs/1373221

Title:
  guvcview crashed with SIGSEGV in get_ctrl_by_id()

Status in GTK uvc viewer:
  Confirmed
Status in One Hundred Papercuts:
  Triaged
Status in libv4l v4l-utils:
  Confirmed
Status in guvcview package in Ubuntu:
  Triaged
Status in v4l-utils package in Ubuntu:
  Triaged

Bug description:
  HOW TO REPRODUCE:
  - Launch guvcview

  EXPECTED BEHAVIOUR:
  - The application to start normally.

  REAL BEHAVIOUR:
  - The application crashes.

  ProblemType: Crash
  DistroRelease: Ubuntu 14.10
  Package: guvcview 1.7.3-1.1build2
  ProcVersionSignature: Ubuntu 3.16.0-17.23-generic 3.16.3
  Uname: Linux 3.16.0-17-generic x86_64
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Sep 24 06:35:20 2014
  ExecutablePath: /usr/bin/guvcview
  InstallationDate: Installed on 2013-05-21 (490 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  ProcCmdline: guvcview
  SegvAnalysis:
   Segfault happened at: 0x42d970:	mov    0x0,%eax
   PC (0x0042d970) ok
   source "0x0" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: guvcview
  StacktraceTop:
   ?? ()
   ?? ()
   ?? ()
   ?? ()
   __libc_start_main (main=0x409920, argc=1, argv=0x7fff32c34208, init=<optimised out>, fini=<optimised out>, rtld_fini=<optimised out>, stack_end=0x7fff32c341f8) at libc-start.c:287
  Title: guvcview crashed with SIGSEGV in __libc_start_main()
  UpgradeStatus: Upgraded to utopic on 2014-09-24 (0 days ago)
  UserGroups: adm lpadmin sambashare sudo

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References