From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 41A6EA04B5; Sun, 1 Dec 2019 18:07:19 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 454A72C58; Sun, 1 Dec 2019 18:07:18 +0100 (CET) Received: from mail-pl1-f173.google.com (mail-pl1-f173.google.com [209.85.214.173]) by dpdk.org (Postfix) with ESMTP id 8489E1F5 for ; Sun, 1 Dec 2019 18:07:16 +0100 (CET) Received: by mail-pl1-f173.google.com with SMTP id ay6so15195117plb.0 for ; Sun, 01 Dec 2019 09:07:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=7pR0qIypfb6x2ZiSQnwprUCmhVu5rCadFvsw8vTuryc=; b=pIQQQQG7EgZPHT+oLW6sW6OAIaEg0R9vMjBuUMyPVuLQrRvfqbXiZCUUzq1qoc1VP6 DdgxNE93KBHer5v9lalRzW0ZyrC56lWydjE/5tlPfI8VAsVCMrpo2Gpg/0SmNrD7U5RJ 99GPyexGoV+X3Tmk2bOZBILWfRdazZNUtzpJE3+q6MAFb/CnjQdql7Gs015XvHgF3QRX USNUFyc5pC+/hPSj934gm+hkNERVhIdT6gjlyasNVXOwBd0Wp2YeR2Lh/n9tPh64+fE1 75V0A4fK0BHrAIcmzyY/Cap5ohTIStjksWbBfYyIN0TZ6yOQJ/Bhdz+NniTWnGEGTfIA LgiQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=7pR0qIypfb6x2ZiSQnwprUCmhVu5rCadFvsw8vTuryc=; b=MqoL7WSA9DeHwGbmPI0XlMID9MkN4ZXl3ioSC079WL/eFyk+IhMIP5R0GvVunFzgjM ugsddShWyAFtxe3Ph3SmmMUHp5TZpZ7y6fPwS/haLR0i2GxtS7wwAjG5EI9FaqPlqpa2 2hd4xvinNv3F7jM5t6dkNN0jP+iEvdgm9d1SYO3XLKkW8fRwCZmyzVQRzhnLdykY8UbC Ss3Lwjzl6YawoEfdB9RpNQAzXV8yDYO3mJMtskam+U/cyj4q/x5vgFWBvj+BeZ+USfzz 6yosz+lWQulFfn0e4ETx5dexZ2yIUkbX/XumzG5BSejOOFgmvq58oGpFcrFof4MhMN2r LwKA== X-Gm-Message-State: APjAAAXbgi/0gM0UQnoNzdpiArxV6+OPGKg0rc3G7fMgIEUBwqF4plPH A/JvX3XpUGhibRapOkRCK3KMaA== X-Google-Smtp-Source: APXvYqx9QLu4Q/JXC6Jtn/hBSpntBFOpSqh4HN9Iw7NYWiOFS89uy5sRFkdqCnN66Khf3wAIJjIVSg== X-Received: by 2002:a17:902:988a:: with SMTP id s10mr22867565plp.315.1575220035437; Sun, 01 Dec 2019 09:07:15 -0800 (PST) Received: from hermes.lan (204-195-22-127.wavecable.com. [204.195.22.127]) by smtp.gmail.com with ESMTPSA id d69sm5746603pfd.158.2019.12.01.09.07.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Dec 2019 09:07:15 -0800 (PST) Date: Sun, 1 Dec 2019 09:07:07 -0800 From: Stephen Hemminger To: Ranran Cc: dev@dpdk.org Message-ID: <20191201090707.450b6a4f@hermes.lan> In-Reply-To: References: <20191130085103.261db7ef@hermes.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] Interrupt is catched in kernel, but not handled X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Sat, 30 Nov 2019 19:49:16 +0200 Ranran 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.