[Bug 1602311] Re: nova-compute crashed with SIGSEGV in visit_reachable()

[EvilSupahFly]

That did the trick. Thanks!

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Title:
  nova-compute crashed with SIGSEGV in visit_reachable()

Status in nova package in Ubuntu:
  Incomplete

Bug description:
  Not sure why it crashed - it just did.

  ProblemType: Crash
  DistroRelease: Ubuntu 15.10
  Package: nova-compute 2:12.0.4-0ubuntu1
  Uname: Linux 4.5.3-040503-generic x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CrashCounter: 1
  Date: Tue Jul 12 05:37:37 2016
  ExecutablePath: /usr/bin/nova-compute
  InstallationDate: Installed on 2015-09-04 (312 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  InterpreterPath: /usr/bin/python2.7
  LocalLibraries: /usr/local/lib/python2.7/dist-packages/cryptography/hazmat/bindings/_openssl.so /usr/local/lib/python2.7/dist-packages/msgpack/_unpacker.so /usr/local/lib/python2.7/dist-packages/lxml/etree.so /usr/local/lib/python2.7/dist-packages/_cffi_backend.so /usr/local/lib/python2.7/dist-packages/cryptography/hazmat/bindings/_constant_time.so /usr/local/lib/python2.7/dist-packages/simplejson/_speedups.so /usr/local/lib/python2.7/dist-packages/markupsafe/_speedups.so /usr/local/lib/python2.7/dist-packages/greenlet.so /usr/local/lib/python2.7/dist-packages/msgpack/_packer.so /usr/local/lib/python2.7/dist-packages/wrapt/_wrappers.so
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/nova-compute --config-file=/etc/nova/nova-compute.conf --config-file=/etc/nova/nova.conf --log-file=/var/log/nova/nova-compute.log
  ProcEnviron:
   LANGUAGE=en_CA:en
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/false
  SegvAnalysis:
   Segfault happened at: 0x49b8f0 <visit_reachable>:	mov    0x8(%rdi),%rax
   PC (0x0049b8f0) ok
   source "0x8(%rdi)" (0x01000008) not located in a known VMA region (needed readable region)!
   destination "%rax" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: nova
  StacktraceTop:
   visit_reachable () at ../Modules/gcmodule.c:395
   func_traverse.lto_priv () at ../Objects/funcobject.c:482
   move_unreachable (unreachable=0x7fff5232cc50, young=0x8fd2a0 <generations.lto_priv+96>) at ../Modules/gcmodule.c:472
   collect.lto_priv () at ../Modules/gcmodule.c:934
   collect_generations.lto_priv.1577 () at ../Modules/gcmodule.c:1050
  Title: nova-compute crashed with SIGSEGV in visit_reachable()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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