通道运行一段时间后出现如下现象，请帮忙看看，谢谢！
Assertion failed (((drvObj != NULL) && (IS_OBJECT_VALID (drvObj, SIGN_DRV))) || ((drvObj == NULL) && (cmdId == CMD_PROC_ATTACH))). File : drv_api.c Line : 501
CHNL_issue () failed. Status = [0x80008002]
qpmcoll_IOReq.buffer=0x40b95580
FromDSPServer Status = [0x80008002]
Assertion failed (((drvObj != NULL) && (IS_OBJECT_VALID (drvObj, SIGN_DRV))) || ((drvObj == NULL) && (cmdId == CMD_PROC_ATTACH))). File : drv_api.c Line : 501
CHNL_issue () failed. Status = [0x80008002]
qpmcoll_IOReq.buffer=0x40b95580
FromDSPServer Status = [0x80008002]
Assertion failed (((drvObj != NULL) && (IS_OBJECT_VALID (drvObj, SIGN_DRV))) || ((drvObj == NULL) && (cmdId == CMD_PROC_ATTACH))). File : drv_api.c Line : 501
CHNL_issue () failed. Status = [0x80008002]
qpmcoll_IOReq.buffer=0x40b95580
FromDSPServer Status = [0x80008002]
Assertion failed (((drvObj != NULL) && (IS_OBJECT_VALID (drvObj, SIGN_DRV))) || ((drvObj == NULL) && (cmdId == CMD_PROC_ATTACH))). File : drv_api.c Line : 501
CHNL_issue () failed. Status = [0x80008002]
qpmcoll_IOReq.buffer=0x40b95580
FromDSPServer Status = [0x80008002]
Assertion failed (((drvObj != NULL) && (IS_OBJECT_VALID (drvObj, SIGN_DRV))) || ((drvObj == NULL) && (cmdId == CMD_PROC_ATTACH))). File : drv_api.c Line : 501
CHNL_issue () failed. Status = [0x80008002]
qpmcoll_IOReq.buffer=0x40b95580
FromDSPServer Status = [0x80008002]
Assertion failed (((drvObj != NULL) && (IS_OBJECT_VALID (drvObj, SIGN_DRV))) || ((drvObj == NULL) && (cmdId == CMD_PROC_ATTACH))). File : drv_api.c Line : 501
CHNL_issue () failed. Status = [0x80008002]
qpmcoll_IOReq.buffer=0x40b95580
FromDSPServer Status = [0x80008002]
Assertion failed (((drvObj != NULL) && (IS_OBJECT_VALID (drvObj, SIGN_DRV))) || ((drvObj == NULL) && (cmdId == CMD_PROC_ATTACH))). File : drv_api.c Line : 501
CHNL_issue () failed. Status = [0x80008002]
qpmcoll_IOReq.buffer=0x40b95580
FromDSPServer Status = [0x80008002]
Assertion failed (((drvObj != NULL) && (IS_OBJECT_VALID (drvObj, SIGN_DRV))) || ((drvObj == NULL) && (cmdId == CMD_PROC_ATTACH))). File : drv_api.c Line : 501
CHNL_issue () failed. Status = [0x80008002]
qpmcoll_IOReq.buffer=0x40b95580
FromDSPServer Status = [0x80008002]
Assertion failed (((drvObj != NULL) && (IS_OBJECT_VALID (drvObj, SIGN_DRV))) || ((drvObj == NULL) && (cmdId == CMD_PROC_ATTACH))). File : drv_api.c Line : 501
CHNL_issue () failed. Status = [0x80008002]
qpmcoll_IOReq.buffer=0x40b95580
FromDSPServer Status = [0x80008002]
Assertion failed (((drvObj != NULL) && (IS_OBJECT_VALID (drvObj, SIGN_DRV))) || ((drvObj == NULL) && (cmdId == CMD_PROC_ATTACH))). File : drv_api.c Line : 501
CHNL_issue () failed. Status = [0x80008002]
qpmcoll_IOReq.buffer=0x40b95580
FromDSPServer Status = [0x80008002]
Assertion failed (((drvObj != NULL) && (IS_OBJECT_VALID (drvObj, SIGN_DRV))) || ((drvObj == NULL) && (cmdId == CMD_PROC_ATTACH))). File : drv_api.c Line : 501
CHNL_issue () failed. Status = [0x80008002]
qpmcoll_IOReq.buffer=0x40b95580
FromDSPServer Status = [0x80008002]
Assertion failed (((drvObj != NULL) && (IS_OBJECT_VALID (drvObj, SIGN_DRV))) || ((drvObj == NULL) && (cmdId == CMD_PROC_ATTACH))). File : drv_api.c Line : 501
CHNL_issue () failed. Status = [0x80008002]
qpmcoll_IOReq.buffer=0x40b95580
然后，程序退出。
