JACE-645-R2 will not learn BACnet devices on its MSTP trunk and is spewing out the following message in the Application Director. devctl rx frame failed: No error java.lang.RuntimeException: mstp rcv failed at tridium.nre.qnx.mstp.QnxMstpDriver.rcvFrameJNI(Native Method) at tridium.nre.qnx.mstp.QnxMstpDriver.access$0(QnxMstpDriver.java) at tridium.nre.qnx.mstp.QnxMstpDriver$MstpTrunkListener.run(QnxMstpDriver.java:287) at java.lang.Thread.run(Unknown Source)

Issue

JACE-645-R2 will not learn BACnet devices on its MSTP trunk and is spewing out the following message in the Application Director.

devctl rx frame failed: No error
java.lang.RuntimeException: mstp rcv failed
at tridium.nre.qnx.mstp.QnxMstpDriver.rcvFrameJNI(Native Method)
at tridium.nre.qnx.mstp.QnxMstpDriver.access$0(QnxMstpDriver.java)
at tridium.nre.qnx.mstp.QnxMstpDriver$MstpTrunkListener.run(QnxMstpDriver.java:287)
at java.lang.Thread.run(Unknown Source)

Product Line

TAC I/A Series

Environment

G3 version 3.8.37

Cause

Issue with the platform drivers in G3 (3.8.37) that interface with R2.

Resolution

Install a clean distribution using 3.6.47 and commission with 3.6.406.