![]() | Sun System Handbook - ISO 4.1 October 2012 Internal/Partner Edition | ||
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Solution Type Technical Instruction Sure Solution 1018592.1 : Sun Fire[TM] servers: PCI IOMMU TLB ERROR
PreviouslyPublishedAs 230286 PCI IOMMU TLB ERROR
Applies to:Sun Fire 3800 ServerSun Fire 4800 Server Sun Fire 4810 Server Sun Fire 6800 Server Sun Fire E2900 Server All Platforms GoalTroubleshoot PCI IOMMU TLB ERRORSolutionDescriptionPCI IOMMU TLB ERROR What action should be taken when an IOMMU TLB(Transaction Look aside Buffer) Steps to Follow Sun Fire[TM] servers: PCI IOMMU TLB ERROR WARNING: pcisch3 PCI fault log start: PCI iommu error pcisch3: Error 1 on IOMMU TLB entry b: Context=0 not Writable not Streamable PCI Page Size=8k Address in page c6960000 Memory: Valid not Cacheable Page Frame=0 PCI error ocurred on device #1 pcisch3(pci@19,600000): PBM AFSR=0x0.00000000dwordmask=0 bytemask=0 pcisch3(pci@19,600000): PCI primary error (0): pcisch3(pci@19,600000): PCI secondary error (0): pcisch3(pci@19,600000): PBM AFAR 0.00000000: pcisch3: PCI config space CSR=0xaa0 pcisch3(pci@19,600000): PCI fault log end. Scrubbing PCI iommu TLB entries No fatal PCI bus error(s) Above, is an error message from the PCI nexus driver, where device #1 has an The pcisch instance then called the scrubber to clear the error This is a non-fatal error and should, if not occurring very frequently, However, if this starts to occur frequently, further investigation The following is an Internal Document, Strictly for Oracle Employees Only See <Document 1004769.1> for an in depth discussion on this and other PCI Bus issues and theories. The Sun Fire v1280 / Netra 1280 and the Sun Fire 2900 can experience this issue more frequently than other systems. Please make sure that the switch to which the system is connected, is set to Gigabit speed, and that the system itself is also running the interfaces at Gigabit speed. Please see CR 6217062 for more information Previously Published As 78838 Attachments This solution has no attachment |
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