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[Florian Boucault <florian.boucault@xxxxxxxxxxxxx>]

Reproducible with stable image 1 from june: ubuntu-device-flash
--revision=1 touch  --device=arale --channel=ubuntu-
touch/stable/meizu.en

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https://bugs.launchpad.net/bugs/1537774

Title:
  Viewfinder frozen and all buttons disabled after taking HDR picture

Status in Canonical System Image:
  Confirmed
Status in camera-app package in Ubuntu:
  Confirmed

Bug description:
  Reported by royden in https://bugs.launchpad.net/ubuntu/+source
  /camera-app/+bug/1475895/comments/6

  "Testing the fix released for Bug #1519766 (and likely #1478693) I can
  reliably freeze the camera-app (v. 3.0.0.616) on rc-proposed Arale
  r227 by taking HDR images.

  Freeze happens around the 3rd or 4th shot of the same subject as
  reported in Bug #1519766.

  HDR shots of shaded lamp in semi-dark room (taking up 3/4 of view)
  trigger freeze on 4/5th shot.

  HDR shots of lamp on small table at distance in semi-dark room do not
  reliably trigger freeze.

  Normal shots do not trigger freeze, with or without zoom AFAIKS.

  Freeze comprises either the viewfinder holding the image of the
  attempted capture and app being no longer responsive and needing to be
  closed. Re-opening produces "Cannot access camera" error message
  screen, with access permission or some other error as cause. Reboot
  needed to regain camera function.

  Other freeze seen was a return of the viewfinder to a dark screen, and
  the same error message screen appearing."

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