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** Branch linked: lp:inkscape/experimental

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https://bugs.launchpad.net/bugs/977003

Title:
  inkscape crashed with SIGSEGV in Avoid::VertInf::removeFromGraph()

Status in Inkscape: A Vector Drawing Tool:
  Fix Committed
Status in “inkscape” package in Ubuntu:
  Triaged

Bug description:
  I was having huge difficulties to finish an image in which I was using
  diagram connectors to draw arrows between circles (a graph, for those
  who know what it is).

  At some point, I needed to draw the curved arrows in the image
  attached, and every time I needed to move the drawing or do anything
  with the arrows, like changing the markers' colors, these curved
  arrows kept turning into straight ones again, over and over.

  After a million times going like this, I asked inkscape to render a
  latex formula for me and, when the formula was ready, the arrows
  simply disappeared!

  This is everything that I remember happening before the crash.

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: inkscape 0.48.2-0ubuntu1
  ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22
  Uname: Linux 3.0.0-17-generic i686
  NonfreeKernelModules: fglrx
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  Date: Mon Apr  9 02:49:18 2012
  ExecutablePath: /usr/bin/inkscape
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  ProcCmdline: inkscape
  SegvAnalysis:
   Segfault happened at: 0x8822f11 <_ZN5Avoid7VertInf15removeFromGraphEb+17>:	cmpb   $0x0,0x8(%esi)
   PC (0x08822f11) ok
   source "$0x0" ok
   destination "0x8(%esi)" (0x00000008) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: inkscape
  Stacktrace:
   #0  0x08822f11 in Avoid::VertInf::removeFromGraph(bool) ()
   No symbol table info available.
   Não é possível acessar a memória no endereço 0xbfdedfac
  StacktraceTop: Avoid::VertInf::removeFromGraph(bool) ()
  Title: inkscape crashed with SIGSEGV in Avoid::VertInf::removeFromGraph()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: admin audio cdrom colord dialout fax fuse plugdev pulse-access saned scanner sudo users vboxusers voice

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