Accessibility DBus not found. Falling back to session bus.
Registered DEC:  true 
Error in contacting registry 
"org.freedesktop.DBus.Error.Spawn.ChildSignaled" 
"Process /usr/lib/at-spi2-core/at-spi2-registryd received signal 6" 
 Window activate:  true Calculator(0x7fffa1a66160, name = "Calculator Dialog") 
      QSpiAccessibleBridge::interfaceToAccessible new:  Calculator(0x7fffa1a66160, name = "Calculator Dialog") "Calculator" "dialog" 
ACCESSIBLE:  Calculator(0x7fffa1a66160, name = "Calculator Dialog") "/org/a11y/atspi/accessible/1" 
 + window 
      QSpiAccessibleBridge::interfaceToAccessible new:  QLineEdit(0x1dcb110, name = "display line edit") "The calculator display" "text" 
ACCESSIBLE:  QLineEdit(0x1dcb110, name = "display line edit") "/org/a11y/atspi/accessible/2" 
Old Text:  QLineEdit(0x1dcb110, name = "display line edit") "0" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e945a0, name = "Button: Backspace") "Backspace" "push button" 
ACCESSIBLE:  Button(0x1e945a0, name = "Button: Backspace") "/org/a11y/atspi/accessible/3" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e946e0, name = "Button: Clear") "Clear" "push button" 
ACCESSIBLE:  Button(0x1e946e0, name = "Button: Clear") "/org/a11y/atspi/accessible/4" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1df8690, name = "Button: Clear All") "Clear All" "push button" 
ACCESSIBLE:  Button(0x1df8690, name = "Button: Clear All") "/org/a11y/atspi/accessible/5" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e28550, name = "Button: MC") "MC" "push button" 
ACCESSIBLE:  Button(0x1e28550, name = "Button: MC") "/org/a11y/atspi/accessible/6" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e09ac0, name = "Button: MR") "MR" "push button" 
ACCESSIBLE:  Button(0x1e09ac0, name = "Button: MR") "/org/a11y/atspi/accessible/7" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e86420, name = "Button: MS") "MS" "push button" 
ACCESSIBLE:  Button(0x1e86420, name = "Button: MS") "/org/a11y/atspi/accessible/8" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e1cee0, name = "Button: M+") "M+" "push button" 
ACCESSIBLE:  Button(0x1e1cee0, name = "Button: M+") "/org/a11y/atspi/accessible/9" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e6cc60, name = "Button: 1") "1" "push button" 
ACCESSIBLE:  Button(0x1e6cc60, name = "Button: 1") "/org/a11y/atspi/accessible/10" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e6dc90, name = "Button: 2") "2" "push button" 
ACCESSIBLE:  Button(0x1e6dc90, name = "Button: 2") "/org/a11y/atspi/accessible/11" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e71650, name = "Button: 3") "3" "push button" 
ACCESSIBLE:  Button(0x1e71650, name = "Button: 3") "/org/a11y/atspi/accessible/12" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e71890, name = "Button: 4") "4" "push button" 
ACCESSIBLE:  Button(0x1e71890, name = "Button: 4") "/org/a11y/atspi/accessible/13" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e70000, name = "Button: 5") "5" "push button" 
ACCESSIBLE:  Button(0x1e70000, name = "Button: 5") "/org/a11y/atspi/accessible/14" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1df0b50, name = "Button: 6") "6" "push button" 
ACCESSIBLE:  Button(0x1df0b50, name = "Button: 6") "/org/a11y/atspi/accessible/15" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1dee600, name = "Button: 7") "7" "push button" 
ACCESSIBLE:  Button(0x1dee600, name = "Button: 7") "/org/a11y/atspi/accessible/16" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e50730, name = "Button: 8") "8" "push button" 
ACCESSIBLE:  Button(0x1e50730, name = "Button: 8") "/org/a11y/atspi/accessible/17" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e56510, name = "Button: 9") "9" "push button" 
ACCESSIBLE:  Button(0x1e56510, name = "Button: 9") "/org/a11y/atspi/accessible/18" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e6cda0, name = "Button: 0") "0" "push button" 
ACCESSIBLE:  Button(0x1e6cda0, name = "Button: 0") "/org/a11y/atspi/accessible/19" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e508d0, name = "Button: .") "." "push button" 
ACCESSIBLE:  Button(0x1e508d0, name = "Button: .") "/org/a11y/atspi/accessible/20" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e02c80, name = "Button: ±") "±" "push button" 
ACCESSIBLE:  Button(0x1e02c80, name = "Button: ±") "/org/a11y/atspi/accessible/21" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e3a310, name = "Button: ÷") "÷" "push button" 
ACCESSIBLE:  Button(0x1e3a310, name = "Button: ÷") "/org/a11y/atspi/accessible/22" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e3a500, name = "Button: ×") "×" "push button" 
ACCESSIBLE:  Button(0x1e3a500, name = "Button: ×") "/org/a11y/atspi/accessible/23" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1df6670, name = "Button: -") "-" "push button" 
ACCESSIBLE:  Button(0x1df6670, name = "Button: -") "/org/a11y/atspi/accessible/24" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e6e670, name = "Button: +") "+" "push button" 
ACCESSIBLE:  Button(0x1e6e670, name = "Button: +") "/org/a11y/atspi/accessible/25" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e6e8b0, name = "Button: Sqrt") "Sqrt" "push button" 
ACCESSIBLE:  Button(0x1e6e8b0, name = "Button: Sqrt") "/org/a11y/atspi/accessible/26" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e6d410, name = "Button: x²") "x²" "push button" 
ACCESSIBLE:  Button(0x1e6d410, name = "Button: x²") "/org/a11y/atspi/accessible/27" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e4eef0, name = "Button: 1/x") "1/x" "push button" 
ACCESSIBLE:  Button(0x1e4eef0, name = "Button: 1/x") "/org/a11y/atspi/accessible/28" 
      QSpiAccessibleBridge::interfaceToAccessible new:  Button(0x1e4f130, name = "Button: =") "=" "push button" 
ACCESSIBLE:  Button(0x1e4f130, name = "Button: =") "/org/a11y/atspi/accessible/29" 
Key event text:  6 false   ""  hardware code:  64  native sc:  64  native mod:  0 native virt:  65513 
QSpiApplication::keyEventError  "org.freedesktop.DBus.Error.Spawn.ChildSignaled" "Process /usr/lib/at-spi2-core/at-spi2-registryd received signal 6" 
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