Could you launch it from the terminal and paste anything printed there? This needs debugging with gdb apparently but let's see.
~ $ cameraplus Found SGX/MBX driver, enabling FullClearOnEveryFrame Found v1.4 driver, enabling brokenTexSubImage Loading plugin: true Found SGX/MBX driver, enabling FullClearOnEveryFrame Found v1.4 driver, enabling brokenTexSubImage libomap3camd 1.136 CC reset, prev_cc: 0 new_cc -2259980 new offset: 2259980 DBus error: org.freedesktop.DBus.Error.NoReply Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the networkconnection was broken. Error occured while reading data from socket:"Unknown error" libomap3camd 1.136 Warning Internal data flow problem. : gstbasesink.c(3678): gst_base_sink_chain_unlocked (): /GstCameraBin2:QtCameraCameraBin/GstViewfinderBin:vf-bin/GstGLTextureSink:QtCamViewfinderRendererMeeGoSink: Received buffer without a new-segment. Assuming timestamps start from 0. libomap3camd 1.136 Warning Internal data flow problem. : gstbasesink.c(3678): gst_base_sink_chain_unlocked (): /GstCameraBin2:QtCameraCameraBin/GstViewfinderBin:vf-bin/GstGLTextureSink:QtCamViewfinderRendererMeeGoSink: Received buffer without a new-segment. Assuming timestamps start from 0. CC reset, prev_cc: 0 new_cc -2266580 new offset: 2266580 Too many samples waiting in socket. Flushing it to empty