From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f178.google.com (mail-pf0-f178.google.com [209.85.192.178]) by dpdk.org (Postfix) with ESMTP id 62C131B1F3 for ; Thu, 12 Oct 2017 23:15:30 +0200 (CEST) Received: by mail-pf0-f178.google.com with SMTP id b79so6686936pfk.5 for ; Thu, 12 Oct 2017 14:15:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=/ni9BRKRR/8O1AGv7dQ9VLK70jnghNfQbP2HwyQmK7k=; b=tJCPqh2KxauGjbwOjy5EpeYsUbd4+2tA7hvfTHp8yDrHVzNyHM8aY92sFrnceNJbVy 3s/Raef8bDGMiyM6MsqZkN8uWQti/k5+uWTqKYW7gyJrXJWnqqqoLgkiwtUURz1xLMEJ xMWIl3huw63GQbUUTBn+i+CwwRjEAtAsybel5KWHjQJrFPN9LSmWHI9tzlm62uCq7Mo1 JWC5dfW67/7sdJBPDaj4stSERu4d/21XMwEGcrl4+t2SF/KoKRZjs5vSJz+cNTvcJJIu 02YrqPf7swQRw8dfY+il9OLejtoZvVMUpbTzo2sUJiJYcOlHUVQjRL4EREPq3HIQd/nJ ZOQw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=/ni9BRKRR/8O1AGv7dQ9VLK70jnghNfQbP2HwyQmK7k=; b=Erg6j67wHpENa8bWW/2kMuuqrYERH70G8KzgrEIT4U3d1SW0jd3zNxzG65CigyJHT3 BD8GnPv4tbsBm5QqXgPmt2HeDejoLFsUtNcJccVc+SqNkag2PijwsHsyAv8ST3w1qtyh rOE8A5jp+o/fTBTJLfn9kFfGR2+wA0sWmAWIcYIuiVrJgGhYNyDWD9sgwWLrqJN+Zd0E XoEVuhUBunDxeGkdVCRnKvM2EzuKZ2RhZzE7XoGKOGuLIRAiwx7BI5P4SuucXiOiTgD9 lOGW7gC3B1GMSnukVluaEDJd9dF2lmSKTKPHjX9YoAP/c2xNh058gLtKtMGAriXDwacL 5dPw== X-Gm-Message-State: AMCzsaVm01XHeK4D2X0wYMEmKGSYh2+CbpX1CIVq8uV0aivDvDU9Knzw OUmRLmO5aKBFXd9QSGonp/UejblC+VUjvZR5edApEA== X-Google-Smtp-Source: AOwi7QAcRajuCm0oJJpJSN58pVUhBSti/k6pHfB7pgezdvsKp+TfnO5li1TSIp2v/Hoi1ccp3e1VKA7KkvKrawu7Ft0= X-Received: by 10.159.249.68 with SMTP id h4mr1217944pls.165.1507842929608; Thu, 12 Oct 2017 14:15:29 -0700 (PDT) MIME-Version: 1.0 Received: by 10.100.181.108 with HTTP; Thu, 12 Oct 2017 14:15:28 -0700 (PDT) Received: by 10.100.181.108 with HTTP; Thu, 12 Oct 2017 14:15:28 -0700 (PDT) In-Reply-To: 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: Stephen Hemminger Date: Thu, 12 Oct 2017 14:15:28 -0700 Message-ID: To: Ferruh Yigit Cc: dev@dpdk.org, "Kavanagh, Mark B" , Markus Theil Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 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 21:15:30 -0000 Are the symbols exported? On Oct 12, 2017 13:58, "Ferruh Yigit" wrote: > 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 > > >