[Bug 966294] Re: Ubiquity loops forever from ubiquity_webcam_play

[Stéphane Graber]

Did some extra debugging in webcam.c initially, I tracked down the
hanging call to be:

if (gst_element_set_state (priv->camerabin, GST_STATE_PLAYING) ==
GST_STATE_CHANGE_FAILURE) {

or more specifically gst_element_set_state(priv->camerabin,
GST_STATE_PLAYING)

I also confirmed that it's a gstreamer issue as I'm unable to reproduce
with "luvcview" but I don't yet know why only a few devices are
affected.

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

Title:
  Ubiquity loops forever from ubiquity_webcam_play

Status in “gstreamer0.10” package in Ubuntu:
  Confirmed
Status in “ubiquity” package in Ubuntu:
  Confirmed
Status in “gstreamer0.10” source package in Precise:
  Confirmed
Status in “ubiquity” source package in Precise:
  Confirmed

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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