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Hosts fails with a purple diagnostic screen when retrieving flows for ALG enabled protocols (2149908)

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Symptoms

After upgrading NSX for vSphere 6.2.4 to 6.3.0 with Flow Monitoring enabled in the environment, you experience these symptoms:
  • ESXi host experiences a purple diagnostic screen
  • The backtrace contains entries similar to:

    0xnnnnnnnn:[0xnnnnnnnn]VSIPConvertPfToFlowRecord@(vsip)#<None>+0x1a7
    0xnnnnnnnn:[0xnnnnnnnn]VSIPConversionGetConnectionStat@(vsip)#<None>+0x2b7
    0xnnnnnnnn:[0xnnnnnnnn]VSIPToPFIoctl@(vsip)#<None>+0x97
    0xnnnnnnnn:[0xnnnnnnnn]VSIPFlowGetRecordsForFilter@(vsip)#<None>+0x209
    0xnnnnnnnn:[0xnnnnnnnn]VSIPDVFGetFiltersByVNIC@(vsip)#<None>+0x1f4
    0xnnnnnnnn:[0xnnnnnnnn]VSIPFlowGetRecords@(vsip)#<None>+0x234
    0xnnnnnnnn:[0xnnnnnnnn]VSIPIoctlFlowData@(vsip)#<None>+0x98
    0xnnnnnnnn:[0xnnnnnnnn]VSIPIoctlImpl@(vsip)#<None>+0x5b
    0xnnnnnnnn:[0xnnnnnnnn]VSIPCharDevIoctl@(vsip)#<None>+0x36
    0xnnnnnnnn:[0xnnnnnnnn]VMKAPICharDevDevfsWrapIoctl@vmkernel#nover+0x74


    Note: The preceding log excerpts are only examples. Date, time, and environmental variables may vary depending on your environment.

Resolution

This issue is resolved in VMware NSX for vSphere 6.3.2, available at VMware Downloads

To work around this issue if you do not want to upgrade, disable flow monitoring related features:
  • IPFix
  • LiveFlow
  • Application Rule Manager
  • Flow monitoring- global flow collection

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See Also

Request a Product Feature

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