root@dm816x:~# video_chain -u null_display
Selected usecase 'null_display'
 0: SYSTEM: System Common Init in progress !!!
 0: SYSTEM: IPC init in progress !!!
 12: SYSTEM: CPU [DSP] syslink proc ID is [0] !!!
 12: SYSTEM: CPU [VIDEO-M3] syslink proc ID is [1] !!!
 12: SYSTEM: CPU [VPSS-M3] syslink proc ID is [2] !!!
 12: SYSTEM: CPU [HOST] syslink proc ID is [3] !!!
 12: SYSTEM: Creating MsgQ Heap [IPC_MSGQ_MSG_HEAP_3] ...
 14: SYSTEM: Creating MsgQ [HOST_MSGQ] ...
 16: SYSTEM: Creating MsgQ [HOST_ACK_MSGQ] ...
 17: SYSTEM: Opening MsgQ [DSP_MSGQ] ...
 18: SYSTEM: Opening MsgQ [VIDEO-M3_MSGQ] ...
 18: SYSTEM: Opening MsgQ [VPSS-M3_MSGQ] ...
 19: SYSTEM: Notify register to [DSP] line 0, event 15 ...
 20: SYSTEM: Notify register to [VIDEO-M3] line 0, event 15 ...
 21: SYSTEM: Notify register to [VPSS-M3] line 0, event 15 ...
 21: SYSTEM: IPC init DONE !!!
 22: SYSTEM: Creating ListMP [HOST_IPC_OUT_24] in region 0 ...
 24: SYSTEM: Creating ListMP [HOST_IPC_IN_24] in region 0 ...
 26: SYSTEM: ListElem Shared Addr = 0x4082ab00
 26: SYSTEM: Creating ListMP [HOST_IPC_OUT_25] in region 0 ...
 29: SYSTEM: Creating ListMP [HOST_IPC_IN_25] in region 0 ...
 30: SYSTEM: ListElem Shared Addr = 0x4085dd80
 31: SYSTEM: Creating ListMP [HOST_IPC_OUT_19] in region 0 ...
 33: SYSTEM: Creating ListMP [HOST_IPC_IN_19] in region 0 ...
 35: SYSTEM: ListElem Shared Addr = 0x40891000
 36: SYSTEM: Creating ListMP [HOST_IPC_OUT_20] in region 0 ...
 38: SYSTEM: Creating ListMP [HOST_IPC_IN_20] in region 0 ...
 39: SYSTEM: ListElem Shared Addr = 0x408b4880
 40: SYSTEM: Creating ListMP [HOST_IPC_OUT_21] in region 0 ...
 42: SYSTEM: Creating ListMP [HOST_IPC_IN_21] in region 0 ...
 44: SYSTEM: ListElem Shared Addr = 0x408d8100
 60: SYSTEM: System Common Init Done !!!
 [host] HDMI Ctrl :Initializing
 [host] HDMI Ctrl :Initialized
 [host] HDMI Ctrl :Sink Connected
 3099: MCFW  : CPU Revision [ES2.0] !!!
 3099: MCFW  : Detected [(null)] Board !!!
 3099: MCFW  : Base Board Revision [DVR] !!!
 3099: MCFW  : Daughter Card Revision [DVR] !!!
 [m3vpss ] WARNING!!.Tiler Memory cannot be accessed by M3 in 2G build.Will not disable
 [m3vpss ]  69765: NULL_SRC: Create in progress !!!
 [m3vpss ]  69794: NULL_SRC: Create Done !!!
 [m3vpss ]  70795: DISPLAY: Create in progress !!!
 [m3vpss ]  70796: DISPLAY: Create Done !!!
 [m3vpss ]  72796: DISPLAY: Start in progress !!!
 [m3vpss ]  72796: DISPLAY: Clock stopped!!!
 [m3vpss ] 0
 [m3vpss ] 1
 [m3vpss ] 2
 [m3vpss ] 3
 [m3vpss ] 4
 [m3vpss ] 000
 [m3vpss ] 001
 [m3vpss ] 002
 [m3vpss ] 003
 [m3vpss ] 004
 [m3vpss ] 004_010
 [m3vpss ] DLM client callback
 [m3vpss ] DLM client callback
 [m3vpss ] DLM client curSet
 [m3vpss ] 004_011
 [m3vpss ] 004_012
 [m3vpss ] 004_013
 [m3vpss ] 004_014
 [m3vpss ] 004_016
 [m3vpss ] 005
 [m3vpss ] 006
 [m3vpss ] 007
 [m3vpss ] 5
 [m3vpss ] 6
 [m3vpss ]  72859: DISPLAY: Start Done !!!
 [m3vpss ]  72860: DISPLAY: PRIMARY PATH: 31 fps, Latency (Min / Max) = ( 255 / 0 ), Ca
llback Interval (Min / Max) = ( 255 / 0 ) DropCount:0 DispLatency (Min / Max) = ( 7811
/ 0 ) !!!
 [m3vpss ]  72860: DISPLAY DRV: PRIMARY PATH: Q:[1] Display:[2], Repeat:[2], DQ:[0]
 [m3vpss ]  89853: DISPLAY: Stop in progress !!!
 [m3vpss ] DLM client callback
 [m3vpss ] DLM client callback
 [m3vpss ] DLM client curSet
 [m3vpss ] DLM list complete
 [m3vpss ]  89893: DISPLAY: Stop Done !!!
 [m3vpss ]  91763: DISPLAY: Frames = 0 (fps = 0) !!!
 [m3vpss ]  91764: DISPLAY: Delete in progress !!!
 [m3vpss ]  91764: DISPLAY: Delete Done !!!
 [m3vpss ]  91764: NULL_SRC: Delete in progress !!!
 [m3vpss ]  91764: NULL_SRC: Delete Done !!!
 [m3vpss ] WARNING!!.Tiler Memory cannot be accessed by M3 in 2G build.Will not enable
 [m3vpss ]  92765: DISPLAY: UNDERFLOW COUNT: HDMI(BP0) 1, HDDAC(BP0) 1, DVO2(BP1) 0, SD
DAC(SEC1) 1
 [host] HDMI Ctrl :Exiting control thread...[Done]
 28100: SYSTEM: System Common De-Init in progress !!!

 [host] OSA_tskDelete:In progress...
 [host] OSA_tskDelete:In progress...
 [host] OSA_tskDelete:In progress...
 [host] OSA_tskDelete:In progress...
 [host] OSA_tskDelete:In progress...
 [host] OSA_tskDelete:In progress...
 [host] OSA_tskDelete:In progress...
 [host] OSA_tskDelete:In progress...
 [host] OSA_tskDelete:In progress...
 [host] OSA_tskDelete:In progress... 28105: SYSTEM: IPC de-init in progress !!!
 28127: SYSTEM: IPC de-init DONE !!!
 28127: SYSTEM: System Common De-Init Done !!!
root@dm816x:~#