ubuntu-sdk-bugs team mailing list archive

[Michael Zanetti <michael.zanetti@xxxxxxxxxxxxx>]

Public bug reported:

Ever since moving to uitk 1.3, I see occational freezes, mostly related
to page push/pop operations. This happens very randomly but causes the
app to freeze and requires a restart.

I've triggered such freezes in many situations in all sorts of different
apps but never could really reproduce it. There is definitely a race
condition involved. Such freezes seem to happen most likely directly
after app startup when pressing a button in the toolbar while stuff is
still loading, but not only. I've also seen it happening in the middle
of using an app.

Now a friend of mine wrote an app and managed to get into a situation
where it reliably triggers a freeze. I am not sure if this is the same
as I'm observing or if its a different one. However, it is a freeze and
might lead us to the real reason. Attached you'll find an archive that
allows reproducing at least that one variant of the freeze.

** Affects: ubuntu-ui-toolkit (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "pageStackTest.tar.gz"
   https://bugs.launchpad.net/bugs/1568016/+attachment/4629167/+files/pageStackTest.tar.gz

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https://bugs.launchpad.net/bugs/1568016

Title:
  Freezes in uitk

Status in ubuntu-ui-toolkit package in Ubuntu:
  New

Bug description:
  Ever since moving to uitk 1.3, I see occational freezes, mostly
  related to page push/pop operations. This happens very randomly but
  causes the app to freeze and requires a restart.

  I've triggered such freezes in many situations in all sorts of
  different apps but never could really reproduce it. There is
  definitely a race condition involved. Such freezes seem to happen most
  likely directly after app startup when pressing a button in the
  toolbar while stuff is still loading, but not only. I've also seen it
  happening in the middle of using an app.

  Now a friend of mine wrote an app and managed to get into a situation
  where it reliably triggers a freeze. I am not sure if this is the same
  as I'm observing or if its a different one. However, it is a freeze
  and might lead us to the real reason. Attached you'll find an archive
  that allows reproducing at least that one variant of the freeze.

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