NSX-T prepared host encounters a purple screen

Products

• VMware vDefend Firewall
• VMware vSphere ESXi

Issue/Introduction

• ESXi hosts are prepared as transport nodes.
• One of the NSX-T prepared hosts has encountered a purple screen (PSOD).
• In the ESXi logs, you see a core dump has been generated:

/var/core/vmkernel-zdump-xxxxx

• The details on the PSOD screen are:

cpu0:2106063)@BlueScreen: #PF Exception 14 in world 2106063:VSIP PF Purg IP 0x42003b8f9f4c addr 0x4301ffe25ed0
cpu0:2106063)0x45396509bec0:[0x42003d590237]pfa_purge_expired_attr_conn@(nsxt-vsip-17883598)#<None>+0x60 stack: 0x432359b8c3c8
cpu0:2106063)nsxt-vsip-17883598 0x42003d521000 .data 0x41ffd9400000 .bss 0x41ffd94078a0

Environment

VMware NSX-T Data Center 3.x

VMware NSX 4.x

Cause

This occurs due to an an attribute locking issue with the NSX-T DFW filters.

Resolution

This issue is resolved in VMware NSX-T Data Center 3.1.3 and 3.2.1.2, VMware NSX 4.0.0.1 and 4.1.0

Workaround:
If you encounter this issue, reboot the ESXi host.