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

[Sascha Teske]

Sorry for the late response. and no its not a newtech and it doesn't
seem to have nonprintables in it - the model and manufacturer names look
idiotic though. it is a macbook pro 8,2 (early 2011).

KERNEL[15.486517] add      /devices/LNXSYSTM:00/device:00/ACPI0003:00/power_supply/ADP1 (power_supply)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/LNXSYSTM:00/device:00/ACPI0003:00/power_supply/ADP1
SUBSYSTEM=power_supply
POWER_SUPPLY_NAME=ADP1
POWER_SUPPLY_ONLINE=1
SEQNUM=1639

UDEV  [15.499193] add      /devices/LNXSYSTM:00/device:00/ACPI0003:00/power_supply/ADP1 (power_supply)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/LNXSYSTM:00/device:00/ACPI0003:00/power_supply/ADP1
SUBSYSTEM=power_supply
POWER_SUPPLY_NAME=ADP1
POWER_SUPPLY_ONLINE=1
SEQNUM=1639

KERNEL[15.518733] add      /devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0 (power_supply)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0
SUBSYSTEM=power_supply
POWER_SUPPLY_NAME=BAT0
POWER_SUPPLY_STATUS=Unknown
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_TECHNOLOGY=Unknown
POWER_SUPPLY_CYCLE_COUNT=0
POWER_SUPPLY_VOLTAGE_MIN_DESIGN=10950000
POWER_SUPPLY_VOLTAGE_NOW=12490000
POWER_SUPPLY_POWER_NOW=0
POWER_SUPPLY_ENERGY_FULL_DESIGN=69000000
POWER_SUPPLY_ENERGY_FULL=68240000
POWER_SUPPLY_ENERGY_NOW=67640000
POWER_SUPPLY_MODEL_NAME=bq20z4516MWDGDLAH123456789ABCDE
POWER_SUPPLY_MANUFACTURER=SMPNz4516MWDGDLAH123456789ABCDE
SEQNUM=1725

UDEV  [15.519559] add      /devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0 (power_supply)
UDEV_LOG=3
ACTION=add
DEVPATH=/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0
SUBSYSTEM=power_supply
POWER_SUPPLY_NAME=BAT0
POWER_SUPPLY_STATUS=Unknown
POWER_SUPPLY_PRESENT=1
POWER_SUPPLY_TECHNOLOGY=Unknown
POWER_SUPPLY_CYCLE_COUNT=0
POWER_SUPPLY_VOLTAGE_MIN_DESIGN=10950000
POWER_SUPPLY_VOLTAGE_NOW=12490000
POWER_SUPPLY_POWER_NOW=0
POWER_SUPPLY_ENERGY_FULL_DESIGN=69000000
POWER_SUPPLY_ENERGY_FULL=68240000
POWER_SUPPLY_ENERGY_NOW=67640000
POWER_SUPPLY_MODEL_NAME=bq20z4516MWDGDLAH123456789ABCDE
POWER_SUPPLY_MANUFACTURER=SMPNz4516MWDGDLAH123456789ABCDE
SEQNUM=1725

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https://bugs.launchpad.net/bugs/829980

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

Status in “linux” package in Ubuntu:
  Incomplete
Status in “upstart” package in Ubuntu:
  Triaged

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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