On Wed, Nov 23, 2016 at 10:21 AM, Brian Starkey <brian.star...@arm.com> wrote:
> This patch didn't help. > > I did get some new traces though - I've attached the diff for the > trace_printks I added. > > Before 4cd13c21b207: > https://drive.google.com/open?id=0B8siaK6ZjvEwcEtOeFQzTmY0Nnc > After 4cd13c21b207: > https://drive.google.com/open?id=0B8siaK6ZjvEwZnQ4MVg1d3d1Tm8 > > It looks like the difference is that after 4cd13c21b207 the RX softirq > isn't running, and RX interrupts don't call softirq_raise anymore - > presumably because there's one pending, but I didn't have time to > track that down to a code-path. > > Cheers, > -Brian > Hi Brian Looks like netif_rx() drops the incoming packets then ? Maybe netif_running() is not happy :( Could you trace netif_rx() return value (NET_RX_SUCCESS or NET_RX_DROP) Thanks !
