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    SubjectRe: sw-iommu leak with Ethernet jumbo frames and nfs
    Joe Harvell <> :
    > I noticed a problem with SW-IOMMU allocation failures when using NFS over
    > my PCI Ethernet network interface using jumbo frames. I think it's a leak,
    > rather than under-engineered because the problem only happens when using
    > NFS and jumbo frames. When I run netperf at a much higher data rate over
    > the NIC, I don't see any problems. Also, I think it's a leak because the
    > problem still occurrs very quickly even when I double the SW-IOMMU heap
    > The Ethernet controller is an on-board Realtek R8110SC using driver r8169.

    This was fixed before 2.6.27 as commit a866bbf6aacf95f849810079442a20be118ce905.

    Thanks for the detailled bug report.


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