App service start failed on Legato 15.10

Device: AR7552
Firmware: SWI9X15A_07.04.08.00 r30423
Legato version 15.10

When I start modeService or audioSerive,It is failed.
And these seems related to QMI SERVICE Voice.
Is anybody get this error before?
Thanks a lot

app start modemService

[quote]
Jan 6 00:31:45 swi-mdm9x15 user.info Legato: INFO | modemDaemon[3667]/le_pa T=main | swiQmi.c PrintServiceDetails() 313 | Service.2: library_version.6 idl_version.1 service_id.0x2 idl_minor_version.35
Jan 6 00:31:45 swi-mdm9x15 user.info Legato: INFO | modemDaemon[3667]/le_pa T=main | swiQmi.c StartService() 110 | qmi_client_get_service_list rc=0, numServices=1
Jan 6 00:31:45 swi-mdm9x15 user.info Legato: INFO | modemDaemon[3667]/le_pa T=main | swiQmi.c InitService() 354 | Service QMI_SERVICE_VOICE
Jan 6 00:31:45 swi-mdm9x15 user.err Legato: =ERR= | modemDaemon[3667]/le_pa T=main | swiQmi.c InitService() 398 | Could not get service object: (4).
Jan 6 00:31:45 swi-mdm9x15 user.emerg Legato: EMR | modemDaemon[3667]/le_pa T=main | pa_qmi.c le_pa_Init() 86 | Could not initialize the QMI Modem Services.
Jan 6 00:31:45 swi-mdm9x15 user.info Legato: INFO | powerManagerService[556]/powerMgr T=main | le_pm.c OnClientDisconnect() 192 | Client pid 3667 disconnected.
Jan 6 00:31:46 swi-mdm9x15 user.info Legato: INFO | supervisor[488]/supervisor T=main | proc.c proc_SigChildHandler() 1283 | Process ‘modemDaemon’ (PID: 3667) has exited with exit code 1.
Jan 6 00:31:46 swi-mdm9x15 user.crit Legato: CRT | supervisor[488]/supervisor T=main | app.c app_SigChildHandler() 1575 | The process ‘modemDaemon’ in application ‘modemService’ has reached the fault limit so the application will be stopped instead of performing the con
Jan 6 00:31:46 swi-mdm9x15 user.info Legato: INFO | supervisor[488]/supervisor T=main | app.c app_SigChildHandler() 1651 | app ‘modemService’ has stopped. [/quote]

app start audioService

you better install the who legato framework first.
instlegato build/ar7 192.168.1.2

HI,
I have already done this before.
But It is still failed.
Thanks.