[Bug 829980] Re: upstart-udev-bridge eats 100% cpu calling dbus_message_iter_append_basic()

[Thomas O.]

I noticed these log entries during the boot process after applying the
fix from comment #32:

---
init: upstart-udev-bridge main process (497) killed by ABRT signal
init: upstart-udev-bridge main process ended, respawning
init: upstart-udev-bridge main process (661) killed by ABRT signal
init: upstart-udev-bridge main process ended, respawning
...
init: upstart-udev-bridge respawning too fast, stopped
---

The fix does stop the upstart-udev-bridge process running at 100%, but
I'm curious about these log entries.

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Title:
  upstart-udev-bridge eats 100% cpu calling
  dbus_message_iter_append_basic()

Status in Upstart:
  Fix Released
Status in “linux” package in Ubuntu:
  Confirmed
Status in “upstart” package in Ubuntu:
  Fix Released

Bug description:
  the segv was created by me sending a kill -11. but the 100% cpu is
  unbarable

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: upstart 1.3-0ubuntu6
  ProcVersionSignature: Ubuntu 3.0.0-8.11-generic 3.0.1
  Uname: Linux 3.0.0-8-generic x86_64
  NonfreeKernelModules: fglrx
  Architecture: amd64
  Date: Sat Aug 20 11:48:34 2011
  ExecutablePath: /sbin/upstart-udev-bridge
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64+mac (20110803.1)
  ProcCmdline: upstart-udev-bridge --daemon
  ProcEnviron: PATH=(custom, no user)
  Signal: 11
  SourcePackage: upstart
  StacktraceTop:
   ?? () from /lib/x86_64-linux-gnu/libc.so.6
   ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
   ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
   dbus_message_iter_append_basic () from /lib/x86_64-linux-gnu/libdbus-1.so.3
   ?? ()
  Title: upstart-udev-bridge crashed with SIGSEGV in dbus_message_iter_append_basic()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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