ESXi host fails with purple screen error: "NOT_IMPLEMENTED bora/vmkernel/filesystems/devfs/devfs.c:2655"

Products

• VMware vSphere ESXi

Issue/Introduction

Symptoms:

• ESXi 6.0 host fails with PSOD error:
  
  NOT_IMPLEMENTED bora/vmkernel/filesystems/devfs/devfs.c:2655
  
  
• In the vmkernel.log file, you will see messages similar to:
  
  YYYY-MM-DDT16:08:08.632Z cpu21:937436)cr0=0x8001003d cr2=0x3a34d0000 cr3=0xbd2c3000 cr4=0x216c
  YYYY-MM-DDT16:08:08.633Z cpu21:937436)@BlueScreen: NOT_IMPLEMENTED bora/vmkernel/filesystems/devfs/devfs.c:2655
  YYYY-MM-DDT16:08:08.633Z cpu21:937436)Code start: 0x418035e00000 VMK uptime: 13:11:53:23.734
  YYYY-MM-DDT16:08:08.633Z cpu21:937436)0x43936ee1b360:[0x418035e780da]PanicvPanicInt@vmkernel#nover+0x37e stack: 0x43936ee1b3f8
  YYYY-MM-DDT16:08:08.634Z cpu21:937436)0x43936ee1b3f0:[0x418035e783f5]Panic_NoSaveNoReturn@vmkernel#nover+0x4d stack: 0x43936ee1b450
  YYYY-MM-DDT16:08:08.634Z cpu21:937436)0x43936ee1b450:[0x418035e56974]Int6_UD2Assert@vmkernel#nover+0x12c stack: 0x4180361a8509
  YYYY-MM-DDT16:08:08.634Z cpu21:937436)0x43936ee1b4f0:[0x418035ec8044]gate_entry_@vmkernel#nover+0x0 stack: 0x0
  YYYY-MM-DDT16:08:08.634Z cpu21:937436)0x43936ee1b5b0:[0x418036096efe]DevFS_AddDynamicDeviceWithAttributes@vmkernel#nover+0x23e stack: 0x4
  YYYY-MM-DDT16:08:08.635Z cpu21:937436)0x43936ee1b630:[0x41803609f540]FSDisk_RegisterDevice@vmkernel#nover+0x54 stack: 0x430300000000
  YYYY-MM-DDT16:08:08.635Z cpu21:937436)0x43936ee1b670:[0x4180360a9622]SCSIRegisterDeviceWithDevFS@vmkernel#nover+0xc2 stack: 0x2e38303a383
  YYYY-MM-DDT16:08:08.635Z cpu21:937436)0x43936ee1b8b0:[0x4180360a9842]SCSIExportLogicalDevice@vmkernel#nover+0x32 stack: 0x0
  YYYY-MM-DDT16:08:08.636Z cpu21:937436)0x43936ee1b8d0:[0x4180360ae30b]vmk_ScsiRegisterDevice@vmkernel#nover+0x88b stack: 0x20000078
  YYYY-MM-DDT16:08:08.636Z cpu21:937436)0x43936ee1bab0:[0x4180367c5be0][email protected]#v2_3_0_0+0x7c stack: 0x43054bd3
  YYYY-MM-DDT16:08:08.636Z cpu21:937436)0x43936ee1bb00:[0x4180367bfca4][email protected]#v2_3_0_0+0x210 stack: 0x43035696a6
  YYYY-MM-DDT16:08:08.637Z cpu21:937436)0x43936ee1bb70:[0x4180360d2575]SCSIMPClaimruleRunSync@vmkernel#nover+0x5f9 stack: 0xfffffffffffffffYYYY-MM-DDT16:08:08.637Z cpu21:937436)0x43936ee1bd30:[0x4180360e4016]SCSIScanTargets@vmkernel#nover+0x12e stack: 0x9e4cb40c0812
  YYYY-MM-DDT16:08:08.637Z cpu21:937436)0x43936ee1bf10:[0x4180360e44e0]SCSIScanOneAdapter@vmkernel#nover+0xd4 stack: 0x430356e20fc0
  YYYY-MM-DDT16:08:08.638Z cpu21:937436)0x43936ee1bf30:[0x418035e5057e]helpFunc@vmkernel#nover+0x3c2 stack: 0x0
  YYYY-MM-DDT16:08:08.638Z cpu21:937436)0x43936ee1bfd0:[0x418036016bfe]CpuSched_StartWorld@vmkernel#nover+0xa2 stack: 0x0
  YYYY-MM-DDT16:08:08.643Z cpu21:937436)base fs=0x0 gs=0x418045400000 Kgs=0x0
  
  
  

Environment

VMware vSphere ESXi 6.0

Cause

This issue occurs because devfs heap is full.

Resolution

This is a known issue affecting ESXi 6.0.

Currently, there is no resolution.

To work around this issue, increase the value of storageMaxDevices to 1024.

To increase the value using vSphere Client, go to Software > Advanced settings > VMKernel > vmkernel.boot.StorageMaxDevices.

Additional Information

ESXi ホストで障害が発生して次のパープル スクリーン エラーが表示される：「NOT_IMPLEMENTED bora/vmkernel/filesystems/devfs/devfs.c:2655」
ESXi 主机发生故障并显示紫色屏幕错误：“NOT_IMPLEMENTED bora/vmkernel/filesystems/devfs/devfs.c:2655”

Impact/Risks:
Reboot is required for settings to take effect.