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[Launchpad Bug Tracker <1298693@xxxxxxxxxxxxxxxxxx>]

** Branch linked: lp:ubuntu/wily-proposed/ubuntu-drivers-common

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https://bugs.launchpad.net/bugs/1298693

Title:
  gpu-manager crashed with SIGSEGV in _IO_vfprintf_internal()

Status in ubuntu-drivers-common package in Ubuntu:
  In Progress
Status in ubuntu-drivers-common source package in Trusty:
  Triaged

Bug description:
  after installed nvidia-331,
   I'm try to use nvidia-switch in terminal, got a segment fault

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-drivers-common 1:0.2.91.1
  ProcVersionSignature: Ubuntu 3.13.0-19.40-generic 3.13.6
  Uname: Linux 3.13.0-19-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Thu Mar 27 23:49:44 2014
  ExecutablePath: /usr/bin/gpu-manager
  InstallationDate: Installed on 2014-03-18 (9 days ago)
  InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140318)
  ProcCmdline: /usr/bin/gpu-manager --log /var/log/gpu-manager.log
  SegvAnalysis:
   Segfault happened at: 0x7fef36a38fcd <_IO_vfprintf_internal+45>:	mov    0xc0(%rdi),%eax
   PC (0x7fef36a38fcd) ok
   source "0xc0(%rdi)" (0x000000c0) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: ubuntu-drivers-common
  StacktraceTop:
   _IO_vfprintf_internal (s=0x0, format=0x4099b3 "log_file: %s\n", ap=ap@entry=0x7fff6fb6e928) at vfprintf.c:1295
   __fprintf (stream=<optimized out>, format=<optimized out>) at fprintf.c:32
   ?? ()
   __libc_start_main (main=0x40627e, argc=3, argv=0x7fff6fb6ec38, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff6fb6ec28) at libc-start.c:287
   ?? ()
  Title: gpu-manager crashed with SIGSEGV in _IO_vfprintf_internal()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm bumblebee cdrom dip lpadmin plugdev sambashare sudo

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