Created attachment 118988 [details]
Crash Dump

With HDMI Connected, GPU crash randomly. GUI doesn't respond, only window manager(Can close, minimize, maximize).

Applications open: Chromium browser 45.0.2454.101 Ubuntu 14.04 (64-bit): 2 windows 2 tabs per window, gnome-terminal 3.6.2, MySQL Workbench Version 6.0.8.11354 build 833


# lspci -nn|grep VGA

00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09)


# uname -r: 3.13.0-65-generic

# lsb_release -a
LSB Version:	core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:core-4.1-amd64:core-4.1-noarch:security-4.0-amd64:security-4.0-noarch:security-4.1-amd64:security-4.1-noarch
Distributor ID:	Ubuntu
Description:	Ubuntu 14.04.3 LTS
Release:	14.04
Codename:	trusty

# Xorg -version

X.Org X Server 1.15.1
Release Date: 2014-04-13
X Protocol Version 11, Revision 0
Build Operating System: Linux 3.2.0-76-generic x86_64 Ubuntu
Current Operating System: Linux ADIFGNU 3.13.0-65-generic #106-Ubuntu SMP Fri Oct 2 22:08:27 UTC 2015 x86_64
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.13.0-65-generic.efi.signed root=UUID=d2e389e4-1c22-4524-9148-1a2579682139 ro quiet splash vt.handoff=7
Build Date: 12 February 2015  02:49:29PM
xorg-server 2:1.15.1-0ubuntu2.7 (For technical support please see http://www.ubuntu.com/support) 
Current version of pixman: 0.30.2
	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.


Mcachine: Lenovo G480 Intel(R) Core(TM) i3-3120M CPU @ 2.50GHz

Kern.log:

kernel: [ 8669.874349] perf samples too long (2519 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
kernel: [10291.389824] [drm] stuck on render ring
kernel: [10291.389829] [drm] GPU crash dump saved to /sys/class/drm/card0/error
kernel: [10291.389830] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
kernel: [10291.389831] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
kernel: [10291.389832] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
kernel: [10291.389833] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.


Crash dump attached.