On 06/12/2016 03:40 PM, Laurence Oberman wrote:
Jun 8 10:12:52 jumpclient kernel: mlx5_core 0000:08:00.1: swiotlb buffer is full (sz: 266240 bytes)
Jun 8 10:12:52 jumpclient kernel: swiotlb: coherent allocation failed for device 0000:08:00.1 size=266240
Hello,
I think the above means that the coherent memory allocation succeeded
but that the test dev_addr + size - 1 <= DMA_BIT_MASK(32) failed. Can
someone from Mellanox tell us whether or not it would be safe to set
coherent_dma_mask to DMA_BIT_MASK(64) for the mlx4 and mlx5 drivers?
Thanks,
Bart.
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