[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Pat McGowan]

** Changed in: canonical-devices-system-image
   Status: Fix Committed => Fix Released

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Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Fix Released
Status in thumbnailer package in Ubuntu:
  Fix Released

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[James Henstridge]

We should have a better fix for this in the next Thumbnailer landing:
rather than blacklisting large GIF files, I worked out how to convince
gdk-pixbuf to stop once we read enough to decode the first frame.

This makes the attached 45MB GIF file thumbnail almost instantly,
without ballooning memory usage or having to read the entire file.

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Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Fix Committed
Status in thumbnailer package in Ubuntu:
  Fix Released

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[James Henstridge]

** Branch linked: lp:~jamesh/thumbnailer/gif-first-frame

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https://bugs.launchpad.net/bugs/1527315

Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Fix Committed
Status in thumbnailer package in Ubuntu:
  Fix Released

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Michi Henning]

** Changed in: thumbnailer (Ubuntu)
   Status: New => In Progress

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https://bugs.launchpad.net/bugs/1527315

Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  In Progress

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Launchpad Bug Tracker]

** Branch linked: lp:~michihenning/thumbnailer/animated-gifs

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Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  In Progress

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Jean-Baptiste Lallement]

** Changed in: canonical-devices-system-image
   Status: Confirmed => Fix Committed

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Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Fix Committed
Status in thumbnailer package in Ubuntu:
  In Progress

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Launchpad Bug Tracker]

This bug was fixed in the package thumbnailer -
2.3+16.04.20160108.2-0ubuntu1

---
thumbnailer (2.3+16.04.20160108.2-0ubuntu1) xenial; urgency=medium

  [ Michi Henning ]
  * Fixed incorrect display of cache policy by "thumbnailer-admin stats".
  * Limit GIF file size to 2 MB (LP: #1527315).

  [ CI Train Bot ]
  * No-change rebuild.

 -- Michi Henning   Fri, 08 Jan 2016
12:43:17 +

** Changed in: thumbnailer (Ubuntu)
   Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1527315

Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Fix Committed
Status in thumbnailer package in Ubuntu:
  Fix Released

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1527315/+subscriptions

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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Launchpad Bug Tracker]

** Branch linked: lp:~michihenning/thumbnailer/fix-1527315

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Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  In Progress

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1527315/+subscriptions

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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Michi Henning]

Elevated this to critical because the thumbnailer service is permanently
toast if someone actually does add a GIF image that blows the memory
limits imposed by the OOM watchdog.

If that happens in the field, it's good-bye thumbnailer service whenever
any app or scope asks for a thumbnail for the offending file. The bug
will be rare but, when it strikes, it's absolutely fatal.

** Changed in: thumbnailer (Ubuntu)
   Importance: High => Critical

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Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  In Progress

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Alejandro J. Cura]

** Changed in: canonical-devices-system-image
 Assignee: Michi Henning (michihenning) => Alejandro J. Cura (alecu)

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https://bugs.launchpad.net/bugs/1527315

Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  New

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1527315/+subscriptions

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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Michi Henning]

With the devel branch at 317, the thumbnailer copes with the animated
gif just fine, in the sense that it correctly comes up with a thumbnail.
It takes 6 seconds though, and memory temporarily climbs to 1.2 GB.

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Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  New

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Michi Henning]

The gif contains 491 frames at 960 by 540. Uncompressed, that's half a
MB per frame, for a total of 254 MB. So, during scaling with gdk_pixbuf,
we have at least this much in memory, plus a copy of the scaled result.
Little wonder that things break.

I'll see if we can change things such that we extract a single frame and
then scale that. (It's not a trivial change, so this will take a while.)

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Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  New

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Michi Henning]

** Changed in: canonical-devices-system-image
 Assignee: (unassigned) => Michi Henning (michihenning)

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Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  New

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Michi Henning]

I shudder to think what this video would do to global warming if it
happened to go viral… ;)

Come to think of it, how much global warming is caused by cat videos?
Would be an interesting research project…

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Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  New

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1527315/+subscriptions

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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Michi Henning]

That's a pretty stupid way to make a video. A real video would probably
be a lot small and have better quality :-)

But I agree that we shouldn't fall over just because someone feeds us a
file like this. I'll have a look at what's going on.

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Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  New

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Daniel van Vugt]

Not optimal but fun. I made the same silly mistake recently thinking
GIFs would be cool. But you lose colour depth (GIFs are indexed 256
colour at most) so get dithered, and the GIF files were bigger than the
original MP4s. Not clever, but fun.

GIFs have two significant advantages though:
  1. A longer history of support across many web browsers (decades); and
  2. They are temporally lossless, which is good for detail (although spatially 
lossy in colour).

I'm still a little shocked that GIFs still exist in this century...

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Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  New

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1527315/+subscriptions

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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Michi Henning]

** Changed in: thumbnailer (Ubuntu)
   Importance: Undecided => High

** Changed in: thumbnailer (Ubuntu)
 Assignee: (unassigned) => Michi Henning (michihenning)

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Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  New

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Dave Morley]

** Tags added: qa-dogfood

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https://bugs.launchpad.net/bugs/1527315

Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  New

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

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[Touch-packages] [Bug 1527315] Re: Attached gif downloaded from telegram takes out the phone as thumbnailer hogs the memory and cpu

[Jean-Baptiste Lallement]

** Also affects: canonical-devices-system-image
   Importance: Undecided
   Status: New

** Changed in: canonical-devices-system-image
   Status: New => Confirmed

** Changed in: canonical-devices-system-image
   Importance: Undecided => High

** Changed in: canonical-devices-system-image
Milestone: None => ww02-2016

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to thumbnailer in Ubuntu.
https://bugs.launchpad.net/bugs/1527315

Title:
  Attached gif downloaded from telegram takes out the phone as
  thumbnailer hogs the memory and cpu

Status in Canonical System Image:
  Confirmed
Status in thumbnailer package in Ubuntu:
  New

Bug description:
  STEPS:
  1. drop the attached gif into the Photo's  folder
  2. Open gallery
  3. Refresh the photo's scope

  ISSUE:
  The gif I think causes thumbnailer to loop, Memory usage jump 4% each loop 
until oom takes out the app but thumbnailer is still stuck in it's loop so 
eventually the scopes are all taken out, At that point thumbnailer is stopped 
and the system returns to normal with the exception that there is now a black 
space where the scopes used to be.

  IMAGE:
  Krillin ota 8.5

To manage notifications about this bug go to:
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1527315/+subscriptions

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Unsubscribe : https://launchpad.net/~touch-packages
More help   : https://help.launchpad.net/ListHelp