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[Gavril <durdu69@xxxxxxxxx>]

Public bug reported:

Crash happened generally occasionally

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: unity8 8.11+16.04.20160129-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-2.16-generic 4.4.0
Uname: Linux 4.4.0-2-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.19.4-0ubuntu2
Architecture: amd64
Date: Wed Feb  3 20:11:26 2016
ExecutablePath: /usr/bin/unity8-dash
InstallationDate: Installed on 2016-02-01 (2 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160131)
ProcCmdline: unity8-dash --desktop_file_hint=/usr/share/applications/unity8-dash.desktop
ProcEnviron:
 LANGUAGE=it
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fad56e5215d <__strstr_sse2_unaligned+77>:	movdqu (%rdi),%xmm3
 PC (0x7fad56e5215d) ok
 source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%xmm3" ok
 Stack memory exhausted (SP below stack segment)
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity8
StacktraceTop:
 QSGRenderContext::initialize(QOpenGLContext*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
 ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
 ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
 start_thread (arg=0x7fad14900700) at pthread_create.c:333
 clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Title: unity8-dash crashed with SIGSEGV in QSGRenderContext::initialize()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

** Affects: unity8 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-crash need-amd64-retrace xenial

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/1541607

Title:
  unity8-dash crashed with SIGSEGV in QSGRenderContext::initialize()

Status in unity8 package in Ubuntu:
  New

Bug description:
  Crash happened generally occasionally

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: unity8 8.11+16.04.20160129-0ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-2.16-generic 4.4.0
  Uname: Linux 4.4.0-2-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.19.4-0ubuntu2
  Architecture: amd64
  Date: Wed Feb  3 20:11:26 2016
  ExecutablePath: /usr/bin/unity8-dash
  InstallationDate: Installed on 2016-02-01 (2 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160131)
  ProcCmdline: unity8-dash --desktop_file_hint=/usr/share/applications/unity8-dash.desktop
  ProcEnviron:
   LANGUAGE=it
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7fad56e5215d <__strstr_sse2_unaligned+77>:	movdqu (%rdi),%xmm3
   PC (0x7fad56e5215d) ok
   source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%xmm3" ok
   Stack memory exhausted (SP below stack segment)
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: unity8
  StacktraceTop:
   QSGRenderContext::initialize(QOpenGLContext*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
   ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
   ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
   start_thread (arg=0x7fad14900700) at pthread_create.c:333
   clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
  Title: unity8-dash crashed with SIGSEGV in QSGRenderContext::initialize()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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