Jay L. T. Cornwall wrote:
Chris Snook wrote:What boards have we seen this on? It's quite possible this is:I can reproduce on an Asus P5K with a Core 2 Duo E6600. lspci identifies the controller as: 02:00.0 Ethernet controller: Attansic Technology Corp. L1 Gigabit Ethernet Adapter (rev b0) dmesg notes the PCI-DMA mapping implementation: PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
I had a hunch this was on Intel. I'd rather just disable this when swiotlb is in use, unless we get more complaints. It's probably ultimately a BIOS quirk anyway.
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