Confirming per duplicate bug #1707354.

** Changed in: webbrowser-app (Ubuntu)
       Status: Incomplete => Confirmed

** Also affects: mesa (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1838813

Title:
  Webbrowser-app crashes and freezes Ubuntu, then closes itself

Status in mesa package in Ubuntu:
  New
Status in webbrowser-app package in Ubuntu:
  Confirmed

Bug description:
  Using Ubuntu 16.04 LTS.

  At command line:

  ~$ uname -a
  Linux sala-MS-7788 4.15.0-55-generic #60~16.04.2-Ubuntu SMP Thu Jul 4 
09:03:09 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

  ~$ lsb_release -rd
  Description:  Ubuntu 16.04.6 LTS
  Release:      16.04

  ~$ webbrowser-app

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file
  '/run/user/1001/dconf/user': Permissão negada.  dconf will not work
  properly.

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file
  '/run/user/1001/dconf/user': Permissão negada.  dconf will not work
  properly.

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file 
'/run/user/1001/dconf/user': Permissão negada.  dconf will not work properly.
  libGL error: MESA-LOADER: failed to retrieve device information
  libGL error: Version 4 or later of flush extension not found
  libGL error: failed to load driver: i915
  libGL error: MESA-LOADER: failed to retrieve device information
  unity::action::ActionManager::ActionManager(QObject*):
   Could not determine application identifier. HUD will not work properly.
   Provide your application identifier in $APP_ID environment variable.
  UCUriHandler: Empty "APP_ID" environment variable, ignoring.
  file:///usr/share/webbrowser-app/webbrowser/ContentPickerDialog.qml:22:1: 
module "Ubuntu.Content" is not installed
  file:///usr/share/webbrowser-app/webbrowser/ContentDownloadDialog.qml:22:1: 
module "Ubuntu.Content" is not installed
  file:///usr/share/webbrowser-app/ContentHandler.qml:20:1: module 
"Ubuntu.Content" is not installed
  file:///usr/share/webbrowser-app/webbrowser/DownloadHandler.qml:20:1: module 
"Ubuntu.DownloadManager" is not installed

  (webbrowser-app:28854): IBUS-WARNING **: Unable to connect to ibus: Não foi 
possível conectar: Permissão negada
  libGL error: MESA-LOADER: failed to retrieve device information
  libGL error: Version 4 or later of flush extension not found
  libGL error: failed to load driver: i915
  libGL error: MESA-LOADER: failed to retrieve device information

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file
  '/run/user/1001/dconf/user': Permissão negada.  dconf will not work
  properly.

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file
  '/run/user/1001/dconf/user': Permissão negada.  dconf will not work
  properly.

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file
  '/run/user/1001/dconf/user': Permissão negada.  dconf will not work
  properly.

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file
  '/run/user/1001/dconf/user': Permissão negada.  dconf will not work
  properly.

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file 
'/run/user/1001/dconf/user': Permissão negada.  dconf will not work properly.
  shm_open() failed: Permissão negada

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file
  '/run/user/1001/dconf/user': Permissão negada.  dconf will not work
  properly.

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file
  '/run/user/1001/dconf/user': Permissão negada.  dconf will not work
  properly.

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file
  '/run/user/1001/dconf/user': Permissão negada.  dconf will not work
  properly.

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file
  '/run/user/1001/dconf/user': Permissão negada.  dconf will not work
  properly.

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file
  '/run/user/1001/dconf/user': Permissão negada.  dconf will not work
  properly.

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file
  '/run/user/1001/dconf/user': Permissão negada.  dconf will not work
  properly.

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file
  '/run/user/1001/dconf/user': Permissão negada.  dconf will not work
  properly.

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file 
'/run/user/1001/dconf/user': Permissão negada.  dconf will not work properly.
  [0802/152335.217740:ERROR:child_thread_impl.cc(762)] Request for unknown 
Channel-associated interface: ui::mojom::GpuMain
  TouchSelectionController::active is deprecated, use 
TouchSelectionController::status instead
  qml: Loaded 8 UA override(s) from 
file:///usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Web/ua-overrides-mobile.js
  OxideQQuickWebView: canGoForward is deprecated. Please use the API provided 
by OxideQQuickNavigationHistory instead
  OxideQQuickWebView: canGoBack is deprecated. Please use the API provided by 
OxideQQuickNavigationHistory instead
  file:///usr/share/webbrowser-app/Downloader.qml:22:1: module 
"Ubuntu.DownloadManager" is not installed
  file:///usr/share/webbrowser-app/Downloader.qml:23:1: module "Ubuntu.Content" 
is not installed
  file:///usr/share/webbrowser-app/Downloader.qml:22:1: module 
"Ubuntu.DownloadManager" is not installed
  file:///usr/share/webbrowser-app/Downloader.qml:23:1: module "Ubuntu.Content" 
is not installed
  Input device added: "Power Button" "/dev/input/event1" QFlags(0x1)
  Input device added: "Video Bus" "/dev/input/event4" QFlags(0x1)
  Input device added: "Power Button" "/dev/input/event0" QFlags(0x1)
  Input device added: "HDA Intel PCH Line Out" "/dev/input/event8" QFlags(0x20)
  Input device added: "HDA Intel PCH Front Headphone" "/dev/input/event9" 
QFlags(0x20)
  Input device added: "HDA Intel PCH Front Mic" "/dev/input/event5" QFlags(0x20)
  Input device added: "HDA Intel PCH Rear Mic" "/dev/input/event6" QFlags(0x20)
  Input device added: "HDA Intel PCH Line" "/dev/input/event7" QFlags(0x20)
  Input device added: "USB Optical Mouse" "/dev/input/event3" QFlags(0x2)
  Input device added: "AT Translated Set 2 keyboard" "/dev/input/event2" 
QFlags(0x1|0x10)
  QOpenGLShader: could not create shader
  QOpenGLShader: could not create shader

  (webbrowser-app:28854): dconf-CRITICAL **: unable to create file 
'/run/user/1001/dconf/user': Permissão negada.  dconf will not work properly.
  QOpenGLShader: could not create shader
  QOpenGLShader: could not create shader
  QOpenGLShader: could not create shader
  QOpenGLShader: could not create shader
  QOpenGLShader: could not create shader
  QOpenGLShader: could not create shader
  QOpenGLShader: could not create shader
  qml: Loaded 8 UA override(s) from 
file:///usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Web/ua-overrides-desktop.js
  [PERFORMANCE]: Last frame took 15881 ms to render.
  intel_do_flush_locked failed: Erro de entrada/saída
  [0802/152416.149967:FATAL:oxide_browser_process_main.cc(472)] Check failed: 
state_ == STATE_NOT_STARTED || state_ == STATE_SHUTDOWN. 
BrowserProcessMain::Shutdown() should be called before process exit
  #0 0x7fe5835dc63e <unknown>
  #1 0x7fe5835f637e <unknown>
  #2 0x7fe584c17579 <unknown>
  #3 0x7fe5bc84fff8 <unknown>
  #4 0x7fe5bc850045 exit
  #5 0x7fe5a6111f8e <unknown>
  #6 0x7fe5a61150c5 <unknown>
  #7 0x7fe5bb05f60a <unknown>
  #8 0x7fe5bb05f9dc <unknown>
  #9 0x7fe5bf369342 <unknown>
  #10 0x7fe5bdea82d6 QOpenGLContext::swapBuffers()
  #11 0x7fe5be85a50e <unknown>
  #12 0x7fe5be85b2a1 <unknown>
  #13 0x7fe5bec1f05c QApplicationPrivate::notify_helper()
  #14 0x7fe5bec24516 QApplication::notify()
  #15 0x7fe5bd70738b QCoreApplication::notifyInternal()
  #16 0x7fe5bd75c5ed QTimerInfoList::activateTimers()
  #17 0x7fe5bd75caf1 <unknown>
  #18 0x7fe5bc0df197 g_main_context_dispatch
  #19 0x7fe5bc0df3f0 <unknown>
  #20 0x7fe5bc0df49c g_main_context_iteration
  #21 0x7fe5bd75d7cf QEventDispatcherGlib::processEvents()
  #22 0x7fe5bd704b4a QEventLoop::exec()
  #23 0x7fe5bd70cbec QCoreApplication::exec()
  #24 0x55bdd71fee16 (/usr/bin/webbrowser-app+0x55bdd71fee15)
  #25 0x55bdd71f3a05 (/usr/bin/webbrowser-app+0x55bdd71f3a04)
  #26 0x7fe5bc836830 __libc_start_main
  #27 0x55bdd71f3b69 (/usr/bin/webbrowser-app+0x55bdd71f3b68)

  Abortado (imagem do núcleo gravada)

  As root:

  ~$ sudo webbrowser-app
  [sudo] senha para rogeriowolff:
  No protocol specified
  QXcbConnection: Could not connect to display :0
  Abortado (imagem do núcleo gravada)
  ---

  ~$ apport-collect 1838813

  ApportVersion: 2.20.1-0ubuntu2.19
  Architecture: amd64
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 16.04
  InstallationDate: Installed on 2017-09-14 (690 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 
(20170801)
  Package: webbrowser-app 0.23+16.04.20161028-0ubuntu2
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 4.15.0-55.60~16.04.2-generic 4.15.18
  Tags:  xenial
  Uname: Linux 4.15.0-55-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm lpadmin sambashare sudo
  _MarkForUpload: True

  ---

  ~$ apt policy liboxideqtcore0 libgl1-mesa-dri

  liboxideqtcore0:
    Instalado: 1.21.5-0ubuntu0.16.04.1
    Candidato: 1.21.5-0ubuntu0.16.04.1
    Tabela de versão:
   *** 1.21.5-0ubuntu0.16.04.1 500
          500 http://br.archive.ubuntu.com/ubuntu xenial-updates/main amd64 
Packages
          500 http://security.ubuntu.com/ubuntu xenial-security/main amd64 
Packages
          100 /var/lib/dpkg/status
       1.13.6-0ubuntu1 500
          500 http://br.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
  libgl1-mesa-dri:
    Instalado: 18.0.5-0ubuntu0~16.04.1
    Candidato: 18.0.5-0ubuntu0~16.04.1
    Tabela de versão:
   *** 18.0.5-0ubuntu0~16.04.1 500
          500 http://br.archive.ubuntu.com/ubuntu xenial-updates/main amd64 
Packages
          100 /var/lib/dpkg/status
       11.2.0-1ubuntu2 500
          500 http://br.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
       8.0.4-0ubuntu0.6 500
          500 http://security.ubuntu.com/ubuntu precise-security/main amd64 
Packages

  -----

  ~$ dmesg

  (...)

  [109054.495124] audit: type=1400 audit(1565008265.755:37): apparmor="DENIED" 
operation="connect" profile="webbrowser-app" pid=4973 comm="webbrowser-app" 
family="unix" sock_type="stream" protocol=0 requested_mask="send receive 
connect" denied_mask="send connect" addr=none 
peer_addr="@/tmp/ibus/dbus-AiIRcAxL" peer="unconfined"
  [109054.697343] audit: type=1400 audit(1565008265.955:38): apparmor="DENIED" 
operation="open" profile="webbrowser-app" name="/dev/dri/" pid=4973 
comm="webbrowser-app" requested_mask="r" denied_mask="r" fsuid=1001 ouid=0
  [109054.697362] audit: type=1400 audit(1565008265.955:39): apparmor="DENIED" 
operation="open" profile="webbrowser-app" name="/dev/dri/" pid=4973 
comm="webbrowser-app" requested_mask="r" denied_mask="r" fsuid=1001 ouid=0
  [109054.737144] audit: type=1400 audit(1565008265.995:40): apparmor="DENIED" 
operation="open" profile="webbrowser-app" name="/dev/dri/" pid=4973 
comm="webbrowser-app" requested_mask="r" denied_mask="r" fsuid=1001 ouid=0
  [109054.802257] audit: type=1400 audit(1565008266.059:41): apparmor="DENIED" 
operation="connect" profile="webbrowser-app" pid=4973 comm="pool" family="unix" 
sock_type="stream" protocol=0 requested_mask="send receive connect" 
denied_mask="send connect" addr=none peer_addr="@/tmp/ibus/dbus-AiIRcAxL" 
peer="unconfined"
  [109057.616999] audit: type=1400 audit(1565008268.875:42): apparmor="DENIED" 
operation="open" profile="webbrowser-app" name="/sys/bus/" pid=4973 
comm="webbrowser-app" requested_mask="r" denied_mask="r" fsuid=1001 ouid=0
  [109065.828825] [drm] GPU HANG: ecode 6:0:0xc07fffff, in webbrowser-app 
[4973], reason: Hang on rcs0, action: reset
  [109065.828893] i915 0000:00:02.0: Resetting chip after gpu hang
  [109073.826416] i915 0000:00:02.0: Resetting chip after gpu hang
  [109081.826444] i915 0000:00:02.0: Resetting chip after gpu hang
  [109089.826419] i915 0000:00:02.0: Resetting chip after gpu hang
  [109097.826436] i915 0000:00:02.0: Resetting chip after gpu hang
  [110496.936965] perf: interrupt took too long (3968 > 3927), lowering 
kernel.perf_event_max_sample_rate to 50250
  [114684.665258] perf: interrupt took too long (5064 > 4960), lowering 
kernel.perf_event_max_sample_rate to 39250
  [117665.764736] r8169 0000:02:00.0 enp2s0: link down
  [117668.671696] r8169 0000:02:00.0 enp2s0: link up

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