Re: NFS corruption, fixed by echo 1 > /proc/sys/vm/drop_caches -- next debugging steps?

[Matt Turner]

On Fri, Dec 8, 2017 at 1:16 PM, Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote:
> On Fri, 2017-12-08 at 12:26 -0800, Matt Turner wrote:
>>
>> Thanks for the quick reply!
>>
>> I tried the patch on top of master, but unfortunately the corruption
>> still occurs.
>
> You might try replacing in sbdma_add_rcvbuffer()
>
> sb_new = netdev_alloc_skb(dev, size);
>
> by
>
> sb_new = alloc_skb(size, GFP_ATOMIC);
>
> Maybe the device does not like having a frame spanning 2 pages.

No such luck. I also gave changing the page size from 16K to 4K a shot
without success.