PCI memory space access is not buggy anymore. At least not as much as earlier.
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.\" $NetBSD: empb.4,v 1.2 2012/06/05 14:17:43 wiz Exp $
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.\" $NetBSD: empb.4,v 1.3 2012/06/27 21:35:40 rkujawa Exp $
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.\"
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.\"
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.\" Copyright (c) 2012 The NetBSD Foundation, Inc.
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.\" Copyright (c) 2012 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\" All rights reserved.
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@ -84,5 +84,3 @@ DMA to host memory is not supported.
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This is a hardware limitation.
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This is a hardware limitation.
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It is possible to implement DMA through bounce buffers in graphics card memory,
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It is possible to implement DMA through bounce buffers in graphics card memory,
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but this needs further research.
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but this needs further research.
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.Pp
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PCI memory space access is buggy, this is a driver problem.
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