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Sun Server X3-2L (formerly Sun Fire X4270 M3) Product Notes

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Updated: August 2019
 
 

S11.2:intel_iommu0: DEBUG: generated a fault event when translating DMA write (20194099)

dmesg shows "intel_iommu0: DEBUG: generated a fault event when translating DMA write" in Solaris 11.2 when Flash Accelerator F40 cards are installed.

Affected hardware and software:

  • Flash Accelerator F40

  • Oracle Solaris 11.2

Workaround:

Disable the Intel Virtualization Technology for Directed I/O (VT-d) setting in the system BIOS settings. This setting can be disabled in the BIOS Setup Utility IO > I/O Virtualization menu.

For information on entering the BIOS Setup Utility and disabling the VT-d setting, see "Accessing the BIOS Setup Utility" in the Sun Server X3-2L Administration Guide.