Re: USB transfer_buffer allocations on 64bit systems

From: Alan Stern
Date: Fri Apr 09 2010 - 15:34:18 EST


On Fri, 9 Apr 2010, Pedro Ribeiro wrote:

> > The DMA pointers do indeed look sane. I wanted to take a deeper look at
> > this and set up a 64bit system today. However, I fail to see the problem
> > here. Pedro, how much RAM does your machine have installed?

> It has 4 GB.

That means DMA mapping cannot be the cause of the problem. :-(

Alan Stern

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