Re: Error: DMA: Out of SW-IOMMU space [was: External USB drives become unresponsive after few hours.]

From: Dorian Gray
Date: Thu Apr 16 2015 - 16:13:44 EST


On 16 April 2015 at 20:42, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:
> And easier way is to compile the kernel with CONFIG_DMA_API_DEBUG
> and then load the attached module.
>
> That should tell you who and what else is holding on the buffers.

Thanks, this will be my next step then, right after I'm done with
testing the increased SWIOTLB.

Jake
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