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

 

Hi,
1.7.3 won't work with kernels >=3.16, you will need a newer version,
uvcvideo suffered a regression that will only be fixed (hopefully) in
3.18, the developer already posted a patch to fix it.
I'll make a new release (2.0.1) in the next couple of days with a
workaround for this. you will need this version to get guvcview up and
running with uvcvideo devices.

Note: libv4l2 (1.4.0 and 1.5.0) is also broken, a fix is expected in
1.6.0, but you will be able to disable its use in guvcview in this
version.

Regards,
Paulo

2014-10-01 0:08 GMT+01:00 Alberto Salvia Novella <es20490446e@xxxxxxxxx>:
> ** Description changed:
>
> - Just launched the application and crashed.
> + 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
> +  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
> +  ?? ()
> +  ?? ()
> +  ?? ()
> +  ?? ()
> +  __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
>
> --
> 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

-- 
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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

To manage notifications about this bug go to:
https://bugs.launchpad.net/guvcview/+bug/1373221/+subscriptions


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