Re: XDP_TX bug report on mlx4

2016-10-13 Thread Brenden Blanco
On Sun, Sep 18, 2016 at 07:59:43PM -0400, Brenden Blanco wrote: > On Fri, Sep 16, 2016 at 09:24:43PM +0200, Jesper Dangaard Brouer wrote: > > On Fri, 16 Sep 2016 12:17:27 -0700 > > Brenden Blanco wrote: > > > > > On Fri, Sep 16, 2016 at 09:03:40PM +0200, Jesper Dangaard Brouer wrote: > > > > Hi B

Re: XDP_TX bug report on mlx4

2016-09-18 Thread Brenden Blanco
On Fri, Sep 16, 2016 at 09:24:43PM +0200, Jesper Dangaard Brouer wrote: > On Fri, 16 Sep 2016 12:17:27 -0700 > Brenden Blanco wrote: > > > On Fri, Sep 16, 2016 at 09:03:40PM +0200, Jesper Dangaard Brouer wrote: > > > Hi Brenden, > > > > > > I've discovered a bug with XDP_TX recycling of pages in

Re: XDP_TX bug report on mlx4

2016-09-16 Thread Jesper Dangaard Brouer
On Fri, 16 Sep 2016 12:17:27 -0700 Brenden Blanco wrote: > On Fri, Sep 16, 2016 at 09:03:40PM +0200, Jesper Dangaard Brouer wrote: > > Hi Brenden, > > > > I've discovered a bug with XDP_TX recycling of pages in the mlx4 driver. > > > > If I increase the number of RX and TX queues/channels via e

Re: XDP_TX bug report on mlx4

2016-09-16 Thread Brenden Blanco
On Fri, Sep 16, 2016 at 09:03:40PM +0200, Jesper Dangaard Brouer wrote: > Hi Brenden, > > I've discovered a bug with XDP_TX recycling of pages in the mlx4 driver. > > If I increase the number of RX and TX queues/channels via ethtool cmd: > ethtool -L mlx4p1 rx 10 tx 10 > > Then when running the

XDP_TX bug report on mlx4

2016-09-16 Thread Jesper Dangaard Brouer
Hi Brenden, I've discovered a bug with XDP_TX recycling of pages in the mlx4 driver. If I increase the number of RX and TX queues/channels via ethtool cmd: ethtool -L mlx4p1 rx 10 tx 10 Then when running the xdp2 program, which does XDP_TX, the kernel will crash with page errors, because the pa