[Bug 1269731] Re: init crashed with SIGSEGV

[James Hunt]

Hi Harry - thanks for testing this. The results you are seeing are very
confusing since the changes between 2.18-0ubuntu4 and 2.18-0ubuntu5 are
nominally only relevant for arm and powerpc systems. What could be
different is the version of gcc used to build each of the eglibc and
upstart versions since gcc has changed recently.

What would be useful to know is what happens if you down-graded upstart
to version 1.10-0ubuntu9 and tried 'telinit u' with the 2 different
versions of eglibc you mention. This might help us identify if the issue
is caused by the compiler.

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https://bugs.launchpad.net/bugs/1269731

Title:
  init crashed with SIGSEGV

Status in “upstart” package in Ubuntu:
  Confirmed

Bug description:
  
  $ telinit U

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: upstart 1.11-0ubuntu1
  ProcVersionSignature: Ubuntu 3.12.0-8.16-generic 3.12.6
  Uname: Linux 3.12.0-8-generic x86_64
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: amd64
  Date: Thu Jan 16 08:03:58 2014
  ExecutablePath: /sbin/init
  ExecutableTimestamp: 1384521990
  InstallationDate: Installed on 2012-12-22 (389 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  ProcCmdline: /sbin/init
  ProcCwd: /
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
  ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-3.12.0-8-generic root=UUID=8905185c-9d82-498c-970c-6fdb9ee07c45 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7f1191eb98d9:	mov    0x20(%rax),%rsi
   PC (0x7f1191eb98d9) ok
   source "0x20(%rax)" (0x00000020) not located in a known VMA region (needed readable region)!
   destination "%rsi" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: upstart
  StacktraceTop:
   ?? ()
   ?? ()
   ?? ()
   ?? ()
   ?? ()
  Title: init crashed with SIGSEGV
  UpgradeStatus: Upgraded to trusty on 2013-06-19 (210 days ago)
  UpstartBugCategory: System
  UpstartRunningSystemVersion: init (upstart 1.11)
  UserGroups:
   
  _LogindSession: /
  _MarkForUpload: True
  modified.conffile..etc.NetworkManager.NetworkManager.conf: [modified]
  modified.conffile..etc.default.whoopsie: [modified]
  modified.conffile..etc.libvirt.qemu.networks.default.xml: [modified]
  mtime.conffile..etc.NetworkManager.NetworkManager.conf: 2013-12-11T09:58:09.227262
  mtime.conffile..etc.default.whoopsie: 2013-12-19T16:30:43.528594
  mtime.conffile..etc.libvirt.qemu.networks.default.xml: 2013-06-29T21:43:59.656854

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