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
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