On Tue, Jan 30, 2024 at 10:59:13AM -0600, Seth Forshee wrote: > On Tue, Jan 30, 2024 at 05:14:23PM +0100, Paul Menzel wrote: > > Dear Seth, > > > > > > Thank you for bring this up. > > > > Am 30.01.24 um 15:17 schrieb Seth Forshee: > > > I got a inquiry from a colleague about a behavior he's seeing with i40e > > > but not with other NICs. The interfaces are bonded with a XDP > > > load-balancer program attached to them. After 'ip link set ethX down; ip > > > link set ethX up' on one of the interfaces the XDP program on that > > > interface is no longer transmitting packets. He found that tx starts > > > again after running 'sudo ethtool -t ethX'. > > > > > > There's a 'i40e 0000:d8:00.1: VSI seid 391 XDP Tx ring 0 disable > > > timeout' message in dmesg when disabling the interface. I've included > > > the relevant portions from dmesg below. > > > > > > This was first observed with a 6.1 kernel, but we've confirmed that the > > > behavior is the same in 6.7. I realize the firmware is pretty old, so > > > far our attempts to update the NVM have failed. > > > > Does that mean, the problem didn’t happen before Linux 6.1? If so, if you > > have the reproducer and the time, bisecting the issue is normally the > > fastest way to solve the issue. > > No, sorry, I should have worded that better. I meant that they were > using 6.1 when they noticed the issue, not that kernels before 6.1 did > not have that issue. We've also tried a 5.15 kernel build now and still > see the issue there, we haven't tested anything older than that.
Hey Seth, I am observing same thing on my side with xdpsock in txonly mode, so I'll take a look at this and will keep you updated. > > Thanks, > Seth >
