DMA initialization failure [rt2860]

[Jiri Slaby]

On 03/26/2010 10:44 AM, Daniele C. wrote:
> I am using the staging rt drivers of latest linus tree and from time to time I get a DMA initialization failure (see attached log). Shall I enable DMA debugging to show more clues? Is this a known bug?

Hmm, the problem is they do many atomic order-6 allocations in the
interface up path. In principle, there is no need to do that and I see
no atomic context either. You may try to redefine RTUSB_URB_ALLOC_BUFFER
to a one with GFP_KERNEL.

-- 
js