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From: Stephen Hemminger <stephen@networkplumber.org>
To: Ranran <ranshalit@gmail.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] Interrupt is catched in kernel, but not handled
Date: Sun, 1 Dec 2019 09:07:07 -0800
Message-ID: <20191201090707.450b6a4f@hermes.lan> (raw)
In-Reply-To: <CAJ2oMhJ12TRuk_nvsCiM3q4VcD5CRJ1DMZO5TAKpdh5aNEnk=w@mail.gmail.com>

On Sat, 30 Nov 2019 19:49:16 +0200
Ranran <ranshalit@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.

  reply index

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-30  8:40 Ranran
2019-11-30 16:51 ` Stephen Hemminger
2019-11-30 17:49   ` Ranran
2019-12-01 17:07     ` Stephen Hemminger [this message]
2019-12-01 18:16       ` Ranran
2019-12-06 16:55         ` Stephen Hemminger

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