[ubuntu] GNOME3/Unity unexpectedly logout when opening image in eog (Image Viewer)

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http://ubuntuforums.org – This is really strange. I had just downloaded an image file. Just double clicked the file to open in 'eog', and the system suddenly logout my current gnome 3 session to LightDM screen. I logged in again and navigated in nautilus, double-clicked it (It loads in eog for 2 seconds upto 98% just when logout occurs) only to see another logout. What can be the problem. It's a normal 17.2 MB jpg image with 8000x8000 resolution. Another (rather interesting) fact I found that eog opens another (infact all other) jpg file of 21600x10800 resolution without any problem. No logout. The so called " (Hardware)