ESX/ESXi 4.x host with EMC PowerPath experiences a purple diagnostic screen mentioning MpxIodone (1030282)
An ESX/ESXi 4.1 host with EMC PowerPath installed experiences these symptoms:
- Halts with a purple diagnostic screen.
- The purple diagnostic screen appears similar to:
@BlueScreen: #PF Exception 14 in world 4325:helper22-7 IP 0x418038b41542 addr 0x30
[0x418038b41542] MpxIodone@esx:nover+0x25 stack: 0x4100af700068
[0x418038b380cb] MpxMpioDispatch@esx:nover+0x1d6 stack: 0x4100af700018
[0x418038b2e1ed] MpxEsxVolStartCommand@esx:nover+0x1d0 stack: 0x41000e062a58
[0x41803884bace] SCSIStartDeviceInt@vmkernel:nover+0x45 stack: 0x41000e073db0
[0x41803884c68b] SCSIAsyncDeviceCommandCommon@vmkernel:nover+0x7de stack: 0x417f00000
[0x41803884c895] SCSISyncDeviceCommandWithRetriesInt@vmkernel:nover+0x1c0 stack: 0x41
[0x41803884cbab] vmk_ScsiIssueSyncFilterCommandWithRetries@vmkernel:nover+0xea stack:
[0x418038c8d529] cx_claim_device@esx:nover+0x128 stack: 0x41000e034728
[0x41803885854d] SCSIAttachVaaip@vmkernel:nover+0x24 stack: 0x0
This article describes a specific issue. If you experience all of the above symptoms, please consult the sections below. If you are experiencing some, but not all of these symptoms, your issue is not related to this article. Please search the Knowledge Base for your symptoms, review Interpreting an ESX host purple diagnostic screen (1004250) for similar issues, or contact VMware Technical Support for further assistance. For more information, see Filing a Support Request in My VMware (2006985).
Note: The preceding links were correct as of December 18, 2012. If you find the link is broken, provide feedback and a VMware employee will update the link.For more information and to get the version of PowerPath that has the actual fix, contact EMC support.
If the EMC PowerPath update cannot be applied in a given environment, work around this issue by removing or disabling EMC PowerPath on the affected hosts. Use one of the native multi-pathing policies instead.