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vCenter Server fails with Stack Overflow errors

Symptoms

vCenter Server fails
The vpxd.log file contains Stack Overflow errors similar to:
- [2009-12-03 11:37:32.876 01700 verbose 'App'] [VpxdInvtVmDb] DB:UPDATE:END Vm Id = 4816
  [2009-12-03 11:37:32.891 01152 error 'App'] Win32 exception: Stack overflow (0xc00000fd)
  [2009-12-03 11:37:32.891 01152 error 'App'] eip: 0x21c9c2b esp: 0x6582fec ebp: 0x6583060
  [2009-12-03 11:37:32.891 01152 error 'App'] eax: 0x6585084 ebx: 00000000 ecx: 0x12e33e0 edx: 0xfffffffe edi: 0x852a298 esi: 0x000007
- [2009-12-03 11:27:56.981 02944 verbose 'App'] [VpxdInvtVm] Saving fields for USTXCARVALW05 (/vpx/vm/#5459/): FILE_NAME=sanfs://vmfs_uuid:4a92d373-28768c72-7b
  2b-001cc4eb36cc/USTXCARVALW05/USTXCARVALW05.vmx, DATACENTER_ID=50
  [2009-12-03 11:27:57.028 02944 verbose 'PropertyProvider'] RecordOp ASSIGN: config.npivWorldWideNameType, vm-5459
  [2009-12-03 11:27:57.044 02944 verbose 'PropertyProvider'] RecordOp ASSIGN: config.hardware.device[2001].backing.fileName, vm-5459
  [2009-12-03 11:27:57.044 02944 verbose 'PropertyProvider'] RecordOp ASSIGN: config.hardware.device[2001].backing.contentId, vm-5459
  [2009-12-03 11:27:57.044 02944 verbose 'PropertyProvider'] RecordOp ASSIGN: config.hardware.device[2001].backing.parent.fileName, vm-5459
  [2009-12-03 11:27:57.044 02944 verbose 'PropertyProvider'] RecordOp ASSIGN: config.hardware.device[2001].backing.parent.diskMode, vm-5459
  [2009-12-03 11:27:57.059 02944 verbose 'PropertyProvider'] RecordOp ASSIGN: config.hardware.device[2001].backing.parent.contentId, vm-5459
  [2009-12-03 11:27:57.075 02944 verbose 'PropertyProvider'] RecordOp ASSIGN: config.hardware.device[2001].backing.parent.parent.fileName, vm-5459
  [2009-12-03 11:27:57.122 02944 verbose 'PropertyProvider'] RecordOp ASSIGN: config.hardware.device[2001].backing.parent.parent.diskMode, vm-5459
  [2009-12-03 11:27:57.122 02944 verbose 'PropertyProvider'] RecordOp ASSIGN: config.hardware.device[2001].backing.parent.parent.contentId, vm-5459
  [2009-12-03 11:27:57.122 02944 verbose 'PropertyProvider'] RecordOp ASSIGN: config.hardware.device[2001].backing.parent.parent.parent.fileName, vm-5459
  [2009-12-03 11:27:57.184 02944 verbose 'PropertyProvider'] RecordOp ASSIGN: config.hardware.device[2001].backing.parent.parent.parent.diskMode, vm-5459
  [2009-12-03 11:27:57.184 02944 verbose 'PropertyProvider'] RecordOp ASSIGN: config.hardware.device[2001].backing.parent.parent.parent.contentId, vm-5459
- [2010-09-16 14:04:25.801 03612 warning 'App'] [VpxdMoHost::GetLinkedVmInt] Getting linked vm for vmid 97 on host 10.0.0.16 - COULD NOT FIND IT
  
  [2010-09-16 14:04:26.257 03612 error 'App'] Win32 exception: Stack overflow (0xc00000fd)
  
  [2010-09-16 14:04:26.257 03612 error 'App'] eip: 0x1b5e1fb esp: 0x57b2f9c ebp: 0x57b3010
  
  [2010-09-16 14:04:26.257 03612 error 'App'] eax: 0x57b5034 ebx: 00000000 ecx: 0x1302d48 edx: 0xfffffffe edi: 0x3fc7118 esi: 0x000007
  
  [2010-09-16 14:04:26.467 03424 warning 'VpxProfiler'] [VpxdHostSync] GetChanges host:1
In the Windows 2008 Server event logs, you see this application error for vpxd:

Faulting module DBGhelp.DLL version 6.8.4.0

If trivia logging is enabled in vCenter Server, the vpxd.log contains errors similar to:
- [2012-01-23 15:40:19.642 06024 trivia 'App'] [Vdb::Connection::Record] Recording (3dec8b0:6) select BACKING_ID from VPX_VDEVICE_FILE_BACKING where HARD_DEVICE_BACKING_FILE_NAME = 'sanfs://vmfs_uuid:4a8c0086-1e42ed25-310a-001a64e5df4a/A-GPS-DC1/A-GPS-DC1-000065.vmdk' and VM_ID = 23 <------offending VM
  [2012-01-23 15:40:19.642 06024 trivia 'App'] [VpxdDbSave] FillInUniqueKeys: no unique keys for table VPX_VDEVICE_BACKING_REL
  [2012-01-23 15:40:19.642 06024 trivia 'App'] [VpxdDbSave] FillInUniqueKeys: no unique keys for table VPX_VDEVICE_FILE_BACKING_X
  [2012-01-23 15:40:19.736 06024 error 'App'] Win32 exception: Stack overflow (0xc00000fd)
  [2012-01-23 15:40:19.736 06024 error 'App'] eip: 0x197e1fb esp: 0x4b42fcc ebp: 0x4b43040
  [2012-01-23 15:40:19.736 06024 error 'App'] eax: 0x4b45064 ebx: 00000000 ecx: 0x1302d48 edx: 0xfffffffe edi: 0x3dec8b0 esi: 0x000007
  
  Note: The crash happens right after the last three entries.

Cause

This error occurs when:

A virtual machine has too many snapshots associated with it.
A virtual machine is pointing to a .vmx file other than its own. This is known to happen when the virtual machine's display name is changed. The vpxd.log shows:
- [2009-12-03 11:37:22.266 05544 verbose 'App'] [VpxdInvtVm] Saving fields for USTXCARVALW06 (/vpx/vm/#5393/): FILE_NAME=sanfs://vm
  fs_uuid:4a92d3cc-72355f5b-2e5c-001cc4eb36cc/USTXCARVALW05/USTXCARVALW05.vmx, DATACENTER_ID=50
- [2009-12-03 11:37:25.094 01152 verbose 'App'] [VpxdInvtVm] Saving fields for USTXCARVALW05 (/vpx/vm/#5459/): FILE_NAME=sanfs://vm
  fs_uuid:4a92d373-28768c72-7b2b-001cc4eb36cc/USTXCARVALW05/USTXCARVALW05.vmx, DATACENTER_ID=50

Resolution

To resolve this issue:

Note: If trivia logging needs to be enabled to determine if the issue is caused due to too many snapshots for virtual machine, see Enabling trivia logging in VirtualCenter (1001584).

Unregister all virtual machines that are pointing to the incorrect .vmx files from the vCenter Server inventory.
Right-click on the Virtual Machine > Remove from Inventory
Restart vCenter Server.
Re-register the virtual machines.
1. Right-click the datastore and choose Browse Datastore
2. Navigate to the virtual machine folder to add to the Inventory
3. Right-click the virtual machine .vmx file and click Add to Inventory
4. Follow the steps in the Add to Inventory wizard to finish adding the virtual machine in the vCenter Server

Notes:

For information on locating virtual machines running on snapshots and removing snapshots, see No more space for the redo log error when attempting to start a virtual machine (1002103).
The full path to vpxd.cfg file in Windows is %ALLUSERPROFILE%\Application Data\VMware\VMware VirtualCenter\vpxd.cfg.

Update History

05/07/2010 - Added link to KB 1002103.

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