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. Thanks, Seth
