On Thursday 15 January 2015 16:37:23 Ding Tianhong wrote: > On 2015/1/14 18:19, Alexander Graf wrote: > > > >>From a 10000 feet perspective it looks like two problems to me > > > > 1) Allocation failure doesn't get handled properly somewhere This is the bug that Eric pointed out as well. > > 2) We fail to allocate with order=0 - I don't see why GFP_ATOMIC. When allocating from a the napi poll function in softirq context, you have to use nonblocking allocations, which occasionally fail. This should not cause any harm other than dropped packets. > is it easy to repetition this bug? how big is your memory on your board, > is it happened in your previous hip04 driver? It should be independent of memory size, but may be more likely if you don't have swap space configured. Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
