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VMware ESXi 5.5 host fails with a purple diagnostic screen after enabling vFlash Read Cache (2114498)

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Symptoms

  • ESXi 5.5 host fails with a purple diagnostic screen
  • vFlash Read Cache is enabled on the ESXi host
  • The purple diagnostic screen contains entries similar to:

    @BlueScreen: #PF Exception 14 in world xxxxxx:vmm0:xxxxxx IP 0xnnnnnnnnnnnn addr 0x18
        PTEs:0x0;
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]BitVector_NextBit@vmkernel#nover+0x3
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]VFCRW_DoWriteThruIO@<None>#<None>+0x3d5
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]VFC_AsyncIO@<None>#<None>+0x5d
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]VFlash_AsyncIO@com.vmware.vmkapi#v2_2_0_0+0x3bf
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]FDS_AsyncIO@vmkernel#nover+0x3a2
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]DevFSFileIO@vmkernel#nover+0x1cc
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]FSSFileIO@vmkernel#nover+0xc2
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]FSS_AsyncFileIO@vmkernel#nover+0x11
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]VSCSI_FSCommand@vmkernel#nover+0x6b3
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]VSCSI_IssueCommandBE@vmkernel#nover+0x42
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]VSCSI_HandleCommand@vmkernel#nover+0x214
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]VSCSI_VmkExecuteCommand@vmkernel#nover+0x366
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]PVSCSIVmkProcessCmd@vmkernel#nover+0x524
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]PVSCSIVmkProcessRequestRing@vmkernel#nover+0x162
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]VSCSI_WorldletCB@vmkernel#nover+0x86
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]WorldletProcessQueue@vmkernel#nover+0xcf
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]WorldletBHHandler@vmkernel#nover+0x54
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]BH_Check@vmkernel#nover+0xc9
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]CpuSchedDispatch@vmkernel#nover+0xbb7
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]CpuSchedWait@vmkernel#nover+0x245
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]CpuSched_VcpuHalt@vmkernel#nover+0x197
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]VMMVMKCall_Call@vmkernel#nover+0x48c
    0xnnnnnnnnnnnn:[0xnnnnnnnnnnnn]__param_heap_initial@<None>#<None>+0xdda25282

Resolution

This issue is resolved in VMware ESXi 5.5, Patch Release ESXi550-201505002, available at VMware Downloads. For more information, see VMware ESXi 5.5, Patch Release ESXi550-201505002 (2114245).

See Also

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