Messages in this thread | | | Subject | Re: [PATCH 2 of 13] ipath - set up 32-bit DMA mask if 64-bit setup fails | From | Roland Dreier <> | Date | Mon, 01 May 2006 11:47:32 -0700 |
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Bryan> Some systems do not set up 64-bit maps on systems with 2GB Bryan> or less of memory installed, so we have to fall back to Bryan> trying a 32-bit setup.
Which systems does this happen on? I'm just curious, because mthca has
err = pci_set_dma_mask(pdev, DMA_64BIT_MASK); if (err) { dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
and I've never had a single report of that warning triggering.
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