Here are the details from apport-bug, as promised (copied from #1764211 because I had to use a different Launchpad account):
ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xorg 1:7.7+13ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-119.143-generic 4.4.114 Uname: Linux 4.4.0-119-generic x86_64 .tmp.unity_support_test.0:
ApportVersion: 2.20.1-0ubuntu2.15 Architecture: amd64 BootLog: /dev/sda1: clean, 257395/9510912 files, 1925432/38014720 blocks CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true Date: Sun Apr 15 18:28:07 2018 DistUpgraded: Fresh install DistroCodename: xenial DistroVariant: ubuntu EcryptfsInUse: Yes ExtraDebuggingInterest: Yes GpuHangFrequency: Several times a week GpuHangReproducibility: Occurs more often under certain circumstances GpuHangStarted: Immediately after installing this version of Ubuntu GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] RV516 [Radeon X1300/X1550 Series] [1002:7187] (prog-if 00 [VGA controller]) Subsystem: PC Partner Limited / Sapphire Technology RV516 [Radeon X1300/X1550 Series] [174b:e020] Subsystem: PC Partner Limited / Sapphire Technology RV516 [Radeon X1300/X1550 Series] (Secondary) [174b:e021] InstallationDate: Installed on 2017-07-24 (265 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) ProcEnviron: LANGUAGE=en_CA:en TERM=xterm-256color PATH=(custom, no user) LANG=en_CA.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-119-generic root=UUID=fe381ac7-304a-4c28-b497-bdefa6602251 ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display Title: Xorg freeze UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/24/2007 dmi.bios.vendor: LENOVO dmi.bios.version: 2JKT30AUS dmi.board.name: LENOVO dmi.chassis.vendor: LENOVO dmi.modalias: dmi:bvnLENOVO:bvr2JKT30AUS:bd01/24/2007:svnLENOVO:pn8811BJ8:pvrThinkCentreM55:rvnLENOVO:rnLENOVO:rvr:cvnLENOVO:ct7:cvr: dmi.product.name: 8811BJ8 dmi.product.version: ThinkCentre M55 dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.12.2+16.04.20160823-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.83-1~16.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.8-0ubuntu0~16.04.1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.8-0ubuntu0~16.04.1 version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-0ubuntu0.7 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1.2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2 xserver.bootTime: Sun Apr 15 17:45:51 2018 xserver.configfile: default xserver.devices: input Power Button KEYBOARD, id 6 input Power Button KEYBOARD, id 7 input Dell Dell USB Keyboard KEYBOARD, id 8 input USB Optical Mouse MOUSE, id 9 xserver.errors:
xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.18.4-0ubuntu0.7 xserver.video_driver: radeon
Here are the details from apport-bug, as promised (copied from #1764211 because I had to use a different Launchpad account):
ProblemType: Bug ature: Ubuntu 4.4.0-119. 143-generic 4.4.114 support_ test.0:
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSign
Uname: Linux 4.4.0-119-generic x86_64
.tmp.unity_
ApportVersion: 2.20.1-0ubuntu2.15 compiz- 1/general/ screen0/ options/ active_ plugins' irectDriverBlac klist: '(nouveau| Intel). *Mesa 8.0' irectFSW: true nterest: Yes ibility: Occurs more often under certain circumstances 256color /boot/vmlinuz- 4.4.0-119- generic root=UUID= fe381ac7- 304a-4c28- b497-bdefa66022 51 ro quiet splash vt.handoff=7 bvr2JKT30AUS: bd01/24/ 2007:svnLENOVO: pn8811BJ8: pvrThinkCentreM 55:rvnLENOVO: rnLENOVO: rvr:cvnLENOVO: ct7:cvr: version: ThinkCentre M55 2+16.04. 20160823- 0ubuntu1 libgl1- mesa-dri: libgl1-mesa-dri 17.2.8- 0ubuntu0~ 16.04.1 libgl1- mesa-dri- experimental: libgl1- mesa-dri- experimental N/A libgl1- mesa-glx: libgl1-mesa-glx 17.2.8- 0ubuntu0~ 16.04.1 xserver- xorg-core: xserver-xorg-core 2:1.18.4-0ubuntu0.7 xserver- xorg-input- evdev: xserver- xorg-input- evdev 1:2.10.1-1ubuntu2 xserver- xorg-video- ati: xserver- xorg-video- ati 1:7.7.0-1 xserver- xorg-video- intel: xserver- xorg-video- intel 2:2.99. 917+git20160325 -1ubuntu1. 2 xserver- xorg-video- nouveau: xserver- xorg-video- nouveau 1:1.0.12-1build2
Architecture: amd64
BootLog: /dev/sda1: clean, 257395/9510912 files, 1925432/38014720 blocks
CompizPlugins: No value set for `/apps/
CompositorRunning: compiz
CompositorUnred
CompositorUnred
Date: Sun Apr 15 18:28:07 2018
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
EcryptfsInUse: Yes
ExtraDebuggingI
GpuHangFrequency: Several times a week
GpuHangReproduc
GpuHangStarted: Immediately after installing this version of Ubuntu
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] RV516 [Radeon X1300/X1550 Series] [1002:7187] (prog-if 00 [VGA controller])
Subsystem: PC Partner Limited / Sapphire Technology RV516 [Radeon X1300/X1550 Series] [174b:e020]
Subsystem: PC Partner Limited / Sapphire Technology RV516 [Radeon X1300/X1550 Series] (Secondary) [174b:e021]
InstallationDate: Installed on 2017-07-24 (265 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
ProcEnviron:
LANGUAGE=en_CA:en
TERM=xterm-
PATH=(custom, no user)
LANG=en_CA.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/24/2007
dmi.bios.vendor: LENOVO
dmi.bios.version: 2JKT30AUS
dmi.board.name: LENOVO
dmi.chassis.vendor: LENOVO
dmi.modalias: dmi:bvnLENOVO:
dmi.product.name: 8811BJ8
dmi.product.
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.12.
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.83-1~16.04.1
version.
version.
version.
version.
version.
version.
version.
version.
xserver.bootTime: Sun Apr 15 17:45:51 2018
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Power Button KEYBOARD, id 7
input Dell Dell USB Keyboard KEYBOARD, id 8
input USB Optical Mouse MOUSE, id 9
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log video_driver: radeon
xserver.version: 2:1.18.4-0ubuntu0.7
xserver.