On Ubuntu 14.04.2 LTS (kernel 3.13.0-45 x86_64) with STK1160 USB capture device and the latest testing (as well as stable) version of guvcview, I get the following:
spirit@myrth:~$ guvcview GUVCVIEW: version 2.0.1 V4L2_CORE: (UVCIOC_CTRL_MAP) Error: Inappropriate ioctl for device V4L2_CORE: (UVCIOC_CTRL_MAP) Error: Inappropriate ioctl for device V4L2_CORE: (UVCIOC_CTRL_MAP) Error: Inappropriate ioctl for device V4L2_CORE: (UVCIOC_CTRL_MAP) Error: Inappropriate ioctl for device V4L2_CORE: (UVCIOC_CTRL_MAP) Error: Inappropriate ioctl for device V4L2_CORE: (UVCIOC_CTRL_MAP) Error: Inappropriate ioctl for device V4L2_CORE: (UVCIOC_CTRL_MAP) Error: Inappropriate ioctl for device V4L2_CORE: (UVCIOC_CTRL_MAP) Error: Inappropriate ioctl for device V4L2_CORE: (UVCIOC_CTRL_MAP) Error: Inappropriate ioctl for device V4L2_CORE: (VIDIOC_ENUM_FRAMESIZES) - Error enumerating frame sizes v4L2_CORE: Unable to enumerate frame sizes :Inappropriate ioctl for device 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 bt_audio_service_open: connect() failed: Connection refused (111) bt_audio_service_open: connect() failed: Connection refused (111) bt_audio_service_open: connect() failed: Connection refused (111) bt_audio_service_open: connect() failed: Connection refused (111) bt_audio_service_open: connect() failed: Connection refused (111) 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 Segmentation fault (core dumped) Attached please find an strace log. I can also attach a core file if you want, but it is 25 megabytes. ** Attachment added: "strace log" https://bugs.launchpad.net/ubuntu/+source/guvcview/+bug/1373221/+attachment/4348541/+files/strace.log -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to v4l-utils in Ubuntu. 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 To manage notifications about this bug go to: https://bugs.launchpad.net/guvcview/+bug/1373221/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp