Xorg crashes and I can only move mouse pointer

[hardhu]

Xorg crashes and I can only move mouse pointer. It happens randomly. I can only ssh from another pc and reboot

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-15.31-generic 4.4.6
Uname: Linux 4.4.0-15-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Sat Apr 2 13:46:08 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
DpkgLog:

ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] RV410/M26 [Mobility Radeon X700] [1002:5653] (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Aspire 5024WLMi [1025:0080]
InstallationDate: Installed on 2015-11-26 (127 days ago)
InstallationMedia: Lubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: Acer Aspire 5020
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-15-generic root=UUID=4c854a4e-3c70-4b7b-b86d-841d4387937e ro drm.debug=0xe plymouth:debug
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/19/2005
dmi.bios.vendor: Phoenix
dmi.bios.version: V1.20
dmi.board.name: Aspire 5020
dmi.board.vendor: Acer
dmi.board.version: Rev.A
dmi.chassis.type: 10
dmi.chassis.vendor: N/A
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenix:bvrV1.20:bd12/19/2005:svnAcer:pnAspire5020:pvr-1:rvnAcer:rnAspire5020:rvrRev.A:cvnN/A:ct10:cvrN/A:
dmi.product.name: Aspire 5020
dmi.product.version: -1
dmi.sys.vendor: Acer
version.compiz: compiz N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.1.2-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.1.2-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.1-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.6.1-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160218-1ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Sat Apr 2 12:40:07 2016
xserver.configfile: default
xserver.devices:
 input Power Button KEYBOARD, id 6
 input Video Bus KEYBOARD, id 7
 input Sleep Button KEYBOARD, id 8
 input AT Translated Set 2 keyboard KEYBOARD, id 9
 input SynPS/2 Synaptics TouchPad TOUCHPAD, id 10
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.18.1-1ubuntu4
xserver.video_driver: radeon

[penalvch (penalvch)]

hardhu, thank you for reporting this and helping make Ubuntu better.

To clarify, are there are crash files in the folder /var/crash?

[Launchpad Janitor (janitor)]

[Expired for xorg (Ubuntu) because there has been no activity for 60 days.]