hugin-devs team mailing list archive

[Yuv <792896@xxxxxxxxxxxxxxxxxx>]

There is definitely at least one bug somewhere in the fast preview, and
narrowing it down is the challenge.

I've been able to trigger a crash by playing intensively with the
widgets on the fast preview.  Not the kind of activity that would happen
in the course of normal use, but definitely pointing to a robustness
problem, maybe a memory leak.  I simply switched randomly between
projections and moved the FOV sliders.  Over time the grid texture
deteriorated visually.  Then it crashed.  Tried within gdb but got no
stack trace.

Probably other textures are affected as well.  I only saw the grid
texture because I modified it to display a specific simplified pattern
without transparency to exclude the grid generation as source of the
error.  The grid anyway does not display properly (see bug 804800 which
may be another symptom of the same bug).

I suspect the bug was introduced with the last major work on the fast
preview, the introduction of the overview pane in 2011.0.

We need to isolate it from other factors (e.g. drivers/video card) and
find a way to (ideally) consistently reproduce it.

** Summary changed:

- Hugin Hangs when Fast Preview Used
+ Fast Preview Hangs or Crashes since 2011.0

** Tags added: fastpreview

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https://bugs.launchpad.net/bugs/792896

Title:
  Fast Preview Hangs or Crashes since 2011.0

Status in Hugin - Panorama Tools GUI:
  Confirmed

Bug description:
  Upgraded from 2010.4 to 2011.0.0 and it has hung 3 times in about 15
  sessions.  All three hangs happened while doing the same thing.....
  new session, load images, load a lens profile, set the canvas size
  (Calculate optimal size), save-as and save profile then click on GL
  (fast preview) button.  Fast preview window comes up, shows anchor
  image and then hangs.

  Is not reproducible.  Running 2011.0.0.0fd3e119979c built by Matthew
  Petroff on 64-bit Win7.

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