PSOD with error "NFS41_ClusterPathDone" with hosts using NFSv41

Products

• VMware vSphere ESXi

Issue/Introduction

ESXi server crashes with purple screen PSOD with a backtrace similar to the following in the vmkernel logs:

Information:Panic Details: Crash at 2019-06-11T08:37:23.599Z on CPU 35 running world 66965. VMK Uptime:68:17:57:10.032
PSOD Message: @BlueScreen: #PF Exception 14 in world 66965:NFS41WorkQue IP 0x41800dfeec73 addr 0x24
Backtrace for Current CPU - 35:
0x4391aca9bed0:[0x41800dfeec73]NFS41_ClusterPathDone@(nfs41client)#<None>+0x73 stack: 0x430e18569a00, 0x430e18604490, 0x4391aca9bf00, 0x41800dfef34d, 0x430e185c2b40
0x4391aca9bf00:[0x41800dfef34d]NFS41_SessionDoneWork@(nfs41client)#<None>+0xa5 stack: 0x4391aca9bf10, 0x417fd2e06560, 0x430e18569c20, 0x417fd2e065b8, 0x430e18546610
0x4391aca9bf50:[0x41800e007a34]NFS41WorkQueueWorkerMain@(nfs41client)#<None>+0xf8 stack: 0x41800e00793c, 0x430e18546610, 0x48, 0x1, 0x0
0x4391aca9bf90:[0x41800d108fbf]vmkWorldFunc@vmkernel#nover+0x4f stack: 0x41800d108fba, 0x0, 0x4391ac7a7100, 0x4391acaa7000, 0x4391ac7a7100
0x4391aca9bfe0:[0x41800d2cae05]CpuSched_StartWorld@vmkernel#nover+0x99 stack: 0x0, 0x0, 0x0, 0x0, 0x0

Environment

VMware vSphere ESXi 6.0
VMware vSphere ESXi 6.5
VMware vSphere ESXi 6.7

Resolution

This issue is resolved is in ESXi 6.0 P07, ESXi 6.5 U3 and ESXi 6.7 U3; update or upgrade as appropriate.