That's an xorg,intel driver issue:
"Backtrace:
[597016.266] 0: /usr/bin/X (xorg_backtrace+0x26) [0x460566]
[597016.267] 1: /usr/bin/X (0x400000+0x64b7a) [0x464b7a]
[597016.267] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7ff0270d1000+0x10060)
[0x7ff0270e1060]
[597016.267] 3: /lib/x86_64-linux-gnu/libc.so.6 (0x7ff025fea000+0x131c77)
[0x7ff02611bc77]
[597016.267] 4: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7ff02420f000+0x11346) [0x7ff024220346]
[597016.267] 5: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7ff02420f000+0x12f27) [0x7ff024221f27]
[597016.267] 6: /usr/lib/xorg/modules/drivers/intel_drv.so
(0x7ff02420f000+0x28e24) [0x7ff024237e24]
[597016.267] 7: /usr/bin/X (0x400000+0xe082c) [0x4e082c]
[597016.267] 8: /usr/bin/X (0x400000+0x2c87e) [0x42c87e]
[597016.267] 9: /usr/bin/X (0x400000+0x2fb89) [0x42fb89]
[597016.267] 10: /usr/bin/X (0x400000+0x232fe) [0x4232fe]
[597016.267] 11: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xed)
[0x7ff02600b30d]
[597016.267] 12: /usr/bin/X (0x400000+0x235ed) [0x4235ed]
[597016.267] Bus error at address 0x7ff00f4bea00"
That seems similar to bug #889068
** Package changed: eog (Ubuntu) => xserver-xorg-video-intel (Ubuntu)
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete => New
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Low => High
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which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/981203
Title:
EOG crash on PNG, followed by Unity or X crash
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