From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8CF8C2D0A3 for ; Thu, 29 Oct 2020 22:17:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 45DBE206D5 for ; Thu, 29 Oct 2020 22:17:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ei0EaPUr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725562AbgJ2WRs (ORCPT ); Thu, 29 Oct 2020 18:17:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725379AbgJ2WRs (ORCPT ); Thu, 29 Oct 2020 18:17:48 -0400 Received: from mail-ot1-x343.google.com (mail-ot1-x343.google.com [IPv6:2607:f8b0:4864:20::343]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 12AD5C0613CF for ; Thu, 29 Oct 2020 15:17:48 -0700 (PDT) Received: by mail-ot1-x343.google.com with SMTP id x7so3863074ota.0 for ; Thu, 29 Oct 2020 15:17:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=zsPgarxWAkuEj2/yQH2YT1NQn5hI3ayGJBKBKSg1DOU=; b=ei0EaPUrj/2x8NYmzQJsaIozAydzlVAt+KWPIXghy2mfLU5+9mMbFk0+pEN6D1xqR0 YmFQhBNTe2GXx6qeAY3IT6L9OO3LDM9XsYwF1n47tFUs9cVnkCTNF2GZXRxTJx4asnA9 5dPCZnAm514EZXhE9czCIvo7GjlOvqWESPU2nK6Xe8L5n9zT+chak3imbHgZ2cHvtrPW LrDmgJJ2YVNBiRIyPqJ0e0hNBWWsCvYLuYL0AolBxaesLk8bj9L6dPIzZcsvDSWSvdge pJlXVed80TIyQC/Gri2giD5t5S7MtDVvqTXrqXiuXcNT6JC7yIgx57nnQ7WEk1Y7xQZi oSDA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=zsPgarxWAkuEj2/yQH2YT1NQn5hI3ayGJBKBKSg1DOU=; b=dMctV5cwHiDwHJv53t/Pfv5KHbx97UvbtSXy4g0IMKp2EGxnGxOfHcc1GMrUS/knuS 6Di5W5TdaXLCBsswSMkwDEgQ2Kas4zl4pqjmeSgxl9kHmSaO6Hn/NKn+KnnzjXgXgomy QM9m3z4Hg2C0s+wwoQWUw9YXUaaVNBn3KXhb4KRMQkrR69JbRwdcZeaMFZoUrYj5zw3I hS/A3M4tOLCnxjMYtKMFm1f+3Y2LtrrXYJN/590FjAm3EVoGTTsqPBEeYvAGhBEGABh5 XX4djoBvEeAYF+2VulVGwwrFOcR8Jr76i0rmyIZ/ULrX4LnY8cgnnI3Iq00C7I5WMsYp uK+g== X-Gm-Message-State: AOAM5318xxzZamS2yvc44UhMQ1bjWCfKxLV5j4CvKPXacKrN/BhbuwLv D3HPUJ2OipXjcNjQu+9LqgylQ2qHdCE= X-Google-Smtp-Source: ABdhPJxHuC/+kTdyb0VgHS2XT7PxCXfR64+htOP77OsFYnDISj3DjlayigA9RA5c+DtaW4BOOntYkg== X-Received: by 2002:a9d:289:: with SMTP id 9mr4708904otl.359.1604009867363; Thu, 29 Oct 2020 15:17:47 -0700 (PDT) Received: from ?IPv6:2603:8081:140c:1a00:5ec3:3713:23e4:7cdc? (2603-8081-140c-1a00-5ec3-3713-23e4-7cdc.res6.spectrum.com. [2603:8081:140c:1a00:5ec3:3713:23e4:7cdc]) by smtp.gmail.com with ESMTPSA id f2sm927345ots.64.2020.10.29.15.17.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 29 Oct 2020 15:17:46 -0700 (PDT) Subject: Re: hfi1 broken due to dma_device changes in ib_register To: Jason Gunthorpe , Dennis Dalessandro Cc: "linux-rdma@vger.kernel.org" References: <20201029220125.GZ36674@ziepe.ca> From: Bob Pearson Message-ID: Date: Thu, 29 Oct 2020 17:17:46 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.3.2 MIME-Version: 1.0 In-Reply-To: <20201029220125.GZ36674@ziepe.ca> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On 10/29/20 5:01 PM, Jason Gunthorpe wrote: > On Thu, Oct 29, 2020 at 05:54:22PM -0400, Dennis Dalessandro wrote: >> Just a heads up, 5.10-rc1 is broken for rdmavt/hfi1 after: >> >> e0477b34d9d11 "(RDMA: Explicitly pass in the dma_device to >> ib_register_device)" >> >> Running with that change causes the call trace below. Reverting the patch >> works around the problem. I haven't yet had a chance to look at what the >> actual cause is, but will and follow up with a proposed patch hopefully >> soon. > > Test this: > > https://lore.kernel.org/linux-rdma/20201028173108.GA10135@lst.de/T/#mde105a810fb9d2bf734554f3a9875468184dd96c > > Jason > This the same issue I found. I ended up just using DMA_BIT_MASK(64) as was suggested.