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Date: Mon, 26 Jan 2009 05:05:10 -0800 (PST)
From: Barney Cordoba <barney_cordoba@yahoo.com>
To: current@freebsd.org
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Cc: 
Subject: DMA bounce buffers
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I have a problem with the ixgbe driver, where bus_dmamap_load_mbuf_sg() is
failing. The underlying failure is reserve_bounce_pages(). It seems that 
there aren't any bounce pages allocated. What could be the cause of this? Is there some tunable?

Barney