AM5728 IPC MessageQ_Open返回-5

请看一下用的compiler编辑器版本是否和SDK 5.2 release note里要求的版本一致。

#define MessageQ_E_NOTFOUND (-5)

Unable to find the specified entity.

建议您可以对照以下链接中对应的messageQ函数具体解释再仔细分析一下。
ti-processor-sdk-rtos-am57xx-evm-04.00.00.04\ipc_3_50_03_04\docs\doxygen\html

cat /tmp/LAD/lad.txt ,
It noticed:
Initializing LAD... [0.617208] NameServer_setup: entered, refCount=0
[0.617251] NameServer_setup: creating listener thread
[0.617345] NameServer_setup: exiting, refCount=1
[0.617422] NameServer_create(): 'GateMP'
[0.617441]
opening FIFO: /tmp/LAD/LADCMDS
[0.619237] listener_cb: Entered Listener thread.
[0.619255] NameServer: waiting for unblockFd: 0, and socks: maxfd: 0
[57.946240] Retrieving command...
[57.946435]
LAD_CONNECT:
[57.946449] client FIFO name = /tmp/LAD/540
[57.946459] client PID = 540
[57.946468] assigned client handle = 0
[57.946504] FIFO /tmp/LAD/540 created
[57.946550]
WARN: Client /tmp/LAD/540 has not yet opened, will retry
[57.946775] FIFO /tmp/LAD/540 opened for writing
[57.946817] sent response
[57.946827] DONE
[57.946835] Retrieving command...
[57.946875] Sending response...
[57.946893] Retrieving command...
[57.946974] LAD_MULTIPROC_GETCONFIG: calling MultiProc_getConfig()...
[57.946987] MultiProc_getConfig() - 5 procs
[57.946995] # processors in cluster: 5
[57.947004] cluster baseId: 0
[57.947012] ProcId 0 - "HOST"
[57.947020] ProcId 1 - "IPU2"
[57.947027] ProcId 2 - "IPU1"
[57.947034] ProcId 3 - "DSP2"
[57.947041] ProcId 4 - "DSP1"
[57.947049] status = 0
[57.947056] DONE
[57.947063] Sending response...
[57.947080] Retrieving command...
[57.947135] LAD_NAMESERVER_SETUP: calling NameServer_setup()...
[57.947146] NameServer_setup: entered, refCount=1
[57.947155] NameServer_setup: already setup
[57.947162] NameServer_setup: exiting, refCount=2
[57.947170] status = 1
[57.947177] DONE
[57.947185] Sending response...
[57.947200] Retrieving command...
[57.947242] LAD_MESSAGEQ_GETCONFIG: calling MessageQ_getConfig()...
[57.947253] status = 0
[57.947261] DONE
[57.947268] Sending response...
[57.947283] Retrieving command...
[57.947324] LAD_MESSAGEQ_SETUP: calling MessageQ_setup()...
[57.947334] MessageQ_setup: entered, refCount=0
[57.947343] NameServer_create(): 'MessageQ'
[57.947357] MessageQ_setup: exiting, refCount=1
[57.947366] status = 0
[57.947373] DONE
[57.947381] Sending response...
[57.947396] Retrieving command...
[57.947602] NameServer_attach: --> procId=1, refCount=0
[57.949955] NameServer_attach: socket failed: Domain 44, Error no 97, Error string:Address family not supported by protocol
[57.949988] NameServer_attach: <-- refCount=0, status=-1
[57.949999] Sending response...
[57.950018] Retrieving command...
[57.950067] NameServer_attach: --> procId=2, refCount=0
[57.952246] NameServer_attach: socket failed: Domain 44, Error no 97, Error string:Address family not supported by protocol
[57.952270] NameServer_attach: <-- refCount=0, status=-1
[57.952280] Sending response...
[57.952301] Retrieving command...
[57.952351] NameServer_attach: --> procId=3, refCount=0
[57.954853] NameServer_attach: socket failed: Domain 44, Error no 97, Error string:Address family not supported by protocol
[57.954872] NameServer_attach: <-- refCount=0, status=-1
[57.954882] Sending response...
[57.954899] Retrieving command...
[57.954958] NameServer_attach: --> procId=4, refCount=0
[57.957678] NameServer_attach: socket failed: Domain 44, Error no 97, Error string:Address family not supported by protocol
[57.957696] NameServer_attach: <-- refCount=0, status=-1
[57.957705] Sending response...
[57.957723] Retrieving command...
[57.957784] LAD_GATEMP_ISSETUP: calling GateMP_isSetup()...
[57.957795] status = 0
[57.957803] DONE
[57.957810] Sending response...
[57.957827] Retrieving command...
[57.957872] LAD_GATEHWSPINLOCK_GETCONFIG: calling GateHWSpinlock_getConfig()...
[57.957883] GateHWSpinlock_getConfig() baseAddr = 0x4a0f6000
[57.957891] size = 0x1000
offset = 0x800
[57.957900] status = 0
[57.957907] DONE
[57.957914] Sending response...
[57.957931] Retrieving command...
[57.958071] LAD_GATEMP_START: calling GateMP_start()...
[57.958082] status = 0
[57.958090] DONE
[57.958098] Sending response...
[57.958114] Retrieving command...
[57.958155] LAD_GATEMP_GETNUMRESOURCES: calling GateMP_getNumResources()...
[57.958166] status = 0
[57.958174] DONE
[57.958196] Sending response...
[57.958214] Retrieving command...
[57.958261] LAD_NAMESERVER_GET: calling NameServer_get(0x39238, '_GateMP_TI_dGate'[57.958272] )...
[57.958285] NameServer_getLocal: entry key: '_GateMP_TI_dGate' not found!
[57.958295] NameServer_getRemote: no socket connection to processor 1
[57.958304] NameServer_getRemote: no socket connection to processor 2
[57.958312] NameServer_getRemote: no socket connection to processor 3
[57.958320] NameServer_getRemote: no socket connection to processor 4
[57.958328] value = 0x10
[57.958335] status = -5
[57.958343] DONE
[57.958350] Sending response...
[57.958366] Retrieving command...
[57.958496] LAD_MESSAGEQ_CREATE: calling MessageQ_create(0x367c8, 0x367e8)...
[57.958508] MessageQ_create: creating 'HOST:MsgQ:01'
[57.958519] MessageQ_create: returning obj=0x3b660, qid=0x80
[57.958529] status = 0
[57.958537] DONE
[57.958544] Sending response...
[57.958560] Retrieving command...
[57.958618] LAD_MESSAGEQ_ANNOUNCE: calling MessageQ_announce(0x367c8, 0x3b660)...
[57.958629] MessageQ_announce: announcing 0x3b660
[57.958641] NameServer_add: Entered key: 'HOST:MsgQ:01', data: 0x80
[57.958651] status = 0
[57.958658] DONE
[57.958665] Sending response...
[57.958681] Retrieving command...
[57.958733] LAD_NAMESERVER_GETUINT32: calling NameServer_getUInt32(0x3b578, 'DSP1:MsgQ:01')...
[57.958746] NameServer_getLocal: entry key: 'DSP1:MsgQ:01' not found!
[57.958755] NameServer_getRemote: no socket connection to processor 1
[57.958763] NameServer_getRemote: no socket connection to processor 2
[57.958771] NameServer_getRemote: no socket connection to processor 3
[57.958779] NameServer_getRemote: no socket connection to processor 4
[57.958786] value = 0x80
[57.958794] status = -5
[57.958801] DONE
[57.958808] Sending response...
[57.958823] Retrieving command...
[58.958987] LAD_NAMESERVER_GETUINT32: calling NameServer_getUInt32(0x3b578, 'DSP1:MsgQ:01')...
[58.959006] NameServer_getLocal: entry key: 'DSP1:MsgQ:01' not found!
[58.959016] NameServer_getRemote: no socket connection to processor 1
[58.959024] NameServer_getRemote: no socket connection to processor 2
[58.959032] NameServer_getRemote: no socket connection to processor 3
[58.959040] NameServer_getRemote: no socket connection to processor 4
[58.959048] value = 0x80
[58.959055] status = -5
[58.959063] DONE