В пакете необходима зависимость на at-spi2-core, иначе $ orca (orca:12152): dbind-WARNING **: 15:51:05.475: AT-SPI: Error retrieving accessibility bus address: org.freedesktop.DBus.Error.ServiceUnknown: The name org.a11y.Bus was not provided by any .service files (orca:12152): dbind-ERROR **: 15:51:05.475: AT-SPI: Couldn't connect to accessibility bus. Is at-spi-bus-launcher running? Ловушка трассировки/останова В p10 тоже, соответственно.