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

From: Eric Dumazet
Date: Fri Dec 08 2017 - 16:16:35 EST


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 replacingÂin sbdma_add_rcvbuffer()

sb_new = netdev_alloc_skb(dev, size);

byÂ

sb_new = alloc_skb(size, GFP_ATOMIC);

Maybe the device does not like having a frame spanning 2 pages.