On Fri, Nov 20, 2020 at 11:32:18AM +0100, Otto Moerbeek wrote: > On Fri, Nov 20, 2020 at 11:09:25AM +0100, Mark Kettenis wrote: > > > It's a relatively new driver. It uses MSI which pretty much rules out > > an issue with shared interrupts. So I suspect this is an issue with > > the rge(4) driver. In the past we have fun with packet counter > > overflow interrupts. Is the storm present immediately after you bring > > up the interface? Or even before? > > No storm if not configured and no cable plugged in. > No storm if not configured and cable plugged in > No storm if configured and no cable > > Storm start when I plug the cable in.
Sounds like an unexpected interrupt source that should probably be masked. I would look at rge_intr() and what status you get and compare it to the RGE_ISR defines. This may help to figure out what is going on. -- :wq Claudio
