*** This bug is a duplicate of bug 1735594 ***

I too have this bug. I use radeon module for

01:05.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] RS482/RS485 [Radeon Xpress 1100/1150]

Error is

compiz[12038]: segfault at 38c ip 00007f2dbc01a2c9 sp 00007fff9bbce640
error 4

I installed ubuntu-gnome-desktop but this failed too with a segfault

What I find out is that after a long time, flashing is stopping but
desktop is not complete (eg not all icons nor launcher are displayed).
>From this time mouse or keyboard are responding but after a while
everything is frozen.

Another think: if I remove linux-modules-extra from lets say
4.4.0-124-generic kernel, the problem disappear! No luck for me, I need
this package for my network card ;)

I installed the xenial-proposed repo which gave 4.4.0-132 kernel,
problem is still there. Attached is the file from /var/crash

Thanks to find a solution, computer is unusable :(


** Attachment added: "_usr_bin_compiz.1000.crash"

You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mesa in Ubuntu.

  Unity / Compiz in a crash loop after login, after mesa updates of

Status in Mesa:
Status in mesa package in Ubuntu:
Status in mesa source package in Xenial:
Status in mesa source package in Artful:

Bug description:
  GUI is constantly crashing, can't start desktop

  Jan  5 11:21:29 1810 kernel: [  806.368754] compiz[10824]: segfault at 0 ip 
00007f83c4f31c16 sp 00007ffd48dfc2f0 error 4 in i965_dri.so[7f83c4954000+82d000]
  Jan  5 11:21:40 1810 kernel: [  817.279740] compiz[11111]: segfault at 0 ip 
00007fda21519c16 sp 00007ffd7b40a150 error 4 in i965_dri.so[7fda20f3c000+82d000]
  Jan  5 11:22:30 1810 kernel: [  867.445137] compiz[11271]: segfault at 0 ip 
00007f8462855c16 sp 00007fff07c857f0 error 4 in i965_dri.so[7f8462278000+82d000]
  Jan  5 11:22:46 1810 kernel: [  883.319195] compiz[11458]: segfault at 0 ip 
00007f72b7af0c16 sp 00007ffc3b92d830 error 4 in i965_dri.so[7f72b7513000+82d000]
  Jan  5 11:23:01 1810 kernel: [  898.587610] compiz[11516]: segfault at 0 ip 
00007fe25113dc16 sp 00007ffcf79754c0 error 4 in i965_dri.so[7fe250b60000+82d000]

  In /var/crash:

  Did manage to start a GUI in Low graphics mode (lowgfx.conf) but this is not 
really usable.
  - dash not working
  - no window switching
  - sometimes all windows disappear for a few seconds

  So effectively my laptop is not usable after latest updates.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: unity 7.4.0+16.04.20160906-0ubuntu1
  ProcVersionSignature: Ubuntu 4.10.0-42.46~16.04.1-generic 4.10.17
  Uname: Linux 4.10.0-42-generic x86_64


  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  CompizPlugins: No value set for 
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Fri Jan  5 11:16:53 2018
  DistUpgraded: 2016-04-22 18:36:32,349 DEBUG icon theme changed, re-reading
  DistroCodename: xenial
  DistroVariant: ubuntu
   Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller 
[8086:2a42] (rev 07) (prog-if 00 [VGA controller])
     Subsystem: Acer Incorporated [ALI] Mobile 4 Series Chipset Integrated 
Graphics Controller [1025:029b]
     Subsystem: Acer Incorporated [ALI] Mobile 4 Series Chipset Integrated 
Graphics Controller [1025:029b]
  InstallationDate: Installed on 2014-04-18 (1357 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Acer Aspire 1810TZ
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-42-generic 
root=UUID=86d7d9a6-ffc3-47cb-adc4-68cfcbcadcef ro quiet splash vt.handoff=7
  SourcePackage: unity
  UpgradeStatus: Upgraded to xenial on 2016-04-22 (622 days ago)
  dmi.bios.date: 08/31/2010
  dmi.bios.vendor: INSYDE
  dmi.bios.version: v1.3314
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: JM11-MS
  dmi.board.vendor: Acer
  dmi.board.version: Base Board Version
  dmi.chassis.type: 1
  dmi.chassis.vendor: Chassis Manufacturer
  dmi.chassis.version: Chassis Version
  dmi.product.name: Aspire 1810TZ
  dmi.product.version: v1.3314
  dmi.sys.vendor: Acer
  version.compiz: compiz 1:
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.83-1~16.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.4-0ubuntu1~16.04.2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.4-0ubuntu1~16.04.2
  version.xserver-xorg-core: xserver-xorg-core N/A
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
  version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
  xserver.bootTime: Fri Jan  5 11:14:24 2018
  xserver.configfile: default

  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.19.5-0ubuntu2~16.04.1
  xserver.video_driver: modeset

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