Messages in this thread | | | Date | Sun, 19 Oct 2008 19:05:11 +0200 | From | Francois Romieu <> | Subject | Re: sw-iommu leak with Ethernet jumbo frames and nfs |
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Joe Harvell <jharvell+lists.linux-kernel@dogpad.net> : > 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.
-- Ueimor
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