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

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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.

Ok, I have compiled 3.19.4 w/ CONFIG_DMA_API_DEBUG=y + the module you sent me.
Now, I'm not sure if I've done it right - I waited until the error
occured and then modprobe'd dump_dma.
I have attached the kernel log, but it tells me not much, if anything...

Thanks again.
Jake

Attachment: dump_dma.log.tar.bz2
Description: BZip2 compressed data


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