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[Apport retracing service <1427247@xxxxxxxxxxxxxxxxxx>]

** Attachment added: "StacktraceSource.txt"
   https://bugs.launchpad.net/bugs/1427247/+attachment/4332282/+files/StacktraceSource.txt

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https://bugs.launchpad.net/bugs/1427247

Title:
  nvidia-settings crashed with SIGSEGV in __GI___libc_malloc()

Status in nvidia-settings package in Ubuntu:
  Invalid

Bug description:
  Received this error while getting updates.

  ProblemType: Crash
  DistroRelease: Ubuntu 15.04
  Package: nvidia-settings 346.35-0ubuntu1
  ProcVersionSignature: Ubuntu 3.19.0-7.7-generic 3.19.0
  Uname: Linux 3.19.0-7-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.16.2-0ubuntu1
  Architecture: amd64
  CurrentDesktop: GNOME-Flashback:Unity
  Date: Mon Mar  2 10:05:06 2015
  ExecutablePath: /usr/bin/nvidia-settings
  InstallationDate: Installed on 2015-01-24 (36 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150124)
  ProcCmdline: nvidia-settings -q GPUCoreTemp
  ProcEnviron:
   LANGUAGE=en_US
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f92806b2f70 <__GI___libc_malloc+64>:	lock cmpxchg %esi,(%rbx)
   PC (0x7f92806b2f70) ok
   source "%esi" ok
   destination "(%rbx)" (0x7e90a7007e90a618) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: nvidia-settings
  StacktraceTop:
   __GI___libc_malloc (bytes=176) at malloc.c:2887
   ?? () from /usr/lib/nvidia-340/libGL.so.1
   ?? () from /usr/lib/nvidia-340/libnvidia-glcore.so.340.76
   ?? () from /usr/lib/nvidia-340/libnvidia-glcore.so.340.76
   ?? () from /usr/lib/nvidia-340/libnvidia-glcore.so.340.76
  Title: nvidia-settings crashed with SIGSEGV in __GI___libc_malloc()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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