[dpdk-dev] Interrupt is catched in kernel, but not handled

[Stephen Hemminger]

On Sat, 30 Nov 2019 19:49:16 +0200
Ranran <ranshalit at gmail.com> wrote:

> > >
> > > I also verified that there are no additional irq numbered 23 except
> > > for our device.
> > >
> > > How can it be that irq is catched, but not delivered to userspace ?
> > > Any suggestion is much appreciated,
> > >
> > > ran  
> >
> > UIO PCI generic does not support interrupts.
> > You need to use VFIO (preferred) or igb_uio
> >  

Actually UIO PCI generic does support interrupts but only legacy INTx,
it does not support MSI or MSI-x modes.