[Bug 966294] Re: Ubiquity loops forever from ubiquity_webcam_play

[Stéphane Graber]

Ok, I just updated the title to reflect reality.
As far as I can tell, gstreamer doesn't loop, though the gtk client certainly hangs (debug log still shows frames being processed).

I figured a "fix" for the regression by reverting part of an upstream commit: http://paste.ubuntu.com/926326/
The upstream commit in question (found through bisect) is: f56c6e12255b37d75b1eb949e434fa8e3bb33f51

I'm now attaching the logs with GST_DEBUG=5 for cheese (camerabin) and
ubiquity (camerabin2) both with the revert (working behaviour) and
without (UI hanging).

** No longer affects: ubiquity (Ubuntu)

** No longer affects: ubiquity (Ubuntu Precise)

** Summary changed:

- Ubiquity loops forever from ubiquity_webcam_play
+ gstreamer hangs when accessing webcam (on specific hardware)

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https://bugs.launchpad.net/bugs/966294

Title:
  gstreamer hangs when accessing webcam (on specific hardware)

Status in “gstreamer0.10” package in Ubuntu:
  In Progress
Status in “gstreamer0.10” source package in Precise:
  In Progress

Bug description:
  Every time I install ubuntu on this hardware with ubiquity it hangs
  before the camera loads and after clicking continue on the "choose a
  user" screen.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubiquity 2.10.3
  ProcVersionSignature: Ubuntu 3.2.0-20.32-generic 3.2.12
  Uname: Linux 3.2.0-20-generic x86_64
  ApportVersion: 1.95-0ubuntu1
  Architecture: amd64
  CasperVersion: 1.312
  Date: Tue Mar 27 15:56:40 2012
  InstallCmdLine: noprompt cdrom-detect/try-usb=true file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120327.1)
  ProcEnviron:
   TERM=xterm
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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