From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 8CC391B3B7 for ; Thu, 12 Oct 2017 22:58:40 +0200 (CEST) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Oct 2017 13:58:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.43,368,1503385200"; d="scan'208";a="909408364" Received: from unknown (HELO [10.241.225.21]) ([10.241.225.21]) by FMSMGA003.fm.intel.com with ESMTP; 12 Oct 2017 13:58:38 -0700 To: "Kavanagh, Mark B" , Markus Theil , "dev@dpdk.org" Cc: "stephen@networkplumber.org" References: <1503336825-7700-1-git-send-email-markus.theil@tu-ilmenau.de> <1504613046-7259-1-git-send-email-markus.theil@tu-ilmenau.de> <1504613046-7259-5-git-send-email-markus.theil@tu-ilmenau.de> From: Ferruh Yigit Message-ID: Date: Thu, 12 Oct 2017 21:58:38 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH v7 5/6] igb_uio: use kernel functions for masking MSI-X 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: , X-List-Received-Date: Thu, 12 Oct 2017 20:58:41 -0000 On 10/12/2017 11:50 AM, Kavanagh, Mark B wrote: > Hi, > > This commit renders igb_uio unusable on Fedora 20, kernel version 3.19.8-100.fc20.x86_64. > > During the build (make -j 20), a warning is issued for igb_uio regarding a missing symbol (pci_msi_unmask): > WARNING: "pci_msi_unmask_irq" [/home//x86_64-native-linuxapp-gcc/build/lib/librte_eal/linuxapp/igb_uio/igb_uio.ko] undefined! > WARNING: "pci_msi_mask_irq" [/home//x86_64-native-linuxapp-gcc/build/lib/librte_eal/linuxapp/igb_uio/igb_uio.ko] undefined! > Hi Mark, I can see vanilla 3.19.8 has pci_msi_unmask_irq and pci_msi_mask_irq. Also I checked Fedora 3.19.8-100.fc20.x86_64 source code, they are still there. Not sure why getting this error. > Subsequently, the module is may not be loaded on account of same. > (from dmesg): > [673425.712110] igb_uio: Unknown symbol pci_msi_unmask_irq (err 0) > [673425.712124] igb_uio: Unknown symbol pci_msi_mask_irq (err 0) > > Thanks, > Mark