Sun System Handbook - ISO 3.4 June 2011 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 Description PCI 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 Product Sun Fire V1280 Server Sun Fire E6900 Server Sun Fire E4900 Server Sun Fire E2900 Server Sun Fire 6800 Server Sun Fire 4810 Server Sun Fire 4800 Server Sun Fire 3800 Server Internal Comments The following is strictly for the use of Sun employees: See Technical Instruction <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 Please see CR 6217062 for more information PCI, IOMMU, TLB, Fault, Log Previously Published As 78838 Change History Date: 2005-01-17 User Name: 18392 Action: Approved Comment: Added STM, trademarking, did some re-wording, formatting for readability. Version: 6 Date: 2005-01-16 User Name: 18392 Action: Accept Comment: Version: 0 Date: 2005-01-16 Attachments This solution has no attachment |
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