[Bug 942453] Re: 100% CPU usage - upstart-udev-bridge

[Leonid Evdokimov]

I'm using upstart 1.3-0ubuntu11

$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 11.10
Release:	11.10
Codename:	oneiric

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Title:
  100% CPU usage - upstart-udev-bridge

Status in “upstart” package in Ubuntu:
  New

Bug description:
  I'm not sure if it's bug in upstart or libdbus, but (2) points to
  upstart, I see only two issues:

  1. 100% CPU usage of the daemon

  2. `upstart-udev-bridge --daemon` running as pid 472 floods /dev/null
  with following messages according to strace:

  ...
  write(2, "process 472: ", 13)           = 13
  write(2, "arguments to dbus_message_iter_append_basic() were incorrect, assertion \"_dbus_check_is_valid_utf8 (*string_p)\" failed in file ../../dbus/dbus-message.c line 2534.\nThis is normally a bug in some application using the D-Bus library.\n", 232) = 232
  ...

  and strace shows nothing else.

  gdb backtrace samples are useless due to lack of debug symbols and I
  see no upstart-dbg package to get them.

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