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=-7.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 747EFC433E0 for ; Mon, 15 Jun 2020 20:54:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A2A320768 for ; Mon, 15 Jun 2020 20:54:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592254444; bh=dHcMhx3Tk3i6+4c/+Ci/fK6T8fJVbOY2yPS/JAtcgEs=; h=Subject:To:Cc:References:From:Date:In-Reply-To:List-ID:From; b=Pt2U+hiV72Ui1lQeVx3hGRQsEL5lHuLhWL0X3mFrvx6CXiuXnN09nTRW10jlTEIo0 UMsXLFVA4voS43N+eiQ374Ygj+SjpuxDGe6V4uZ3e5FKhUDVQguLz4ULltJCupHJ1a luKis6evS0RqtKpBq9yeDFVQYcRxFDRFyPpRjqX8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731704AbgFOUyD (ORCPT ); Mon, 15 Jun 2020 16:54:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41112 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731179AbgFOUyB (ORCPT ); Mon, 15 Jun 2020 16:54:01 -0400 Received: from mail-ot1-x342.google.com (mail-ot1-x342.google.com [IPv6:2607:f8b0:4864:20::342]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8BFCC061A0E for ; Mon, 15 Jun 2020 13:54:01 -0700 (PDT) Received: by mail-ot1-x342.google.com with SMTP id s13so14220008otd.7 for ; Mon, 15 Jun 2020 13:54:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=aMCQ/9D2OL2UejJnLf26RX0B0w7nFrQsSW8m/RdY+mo=; b=gn93Gv+4NaenIVQ3MR1LGLbB6ngFaKVCRGE/gV6RtjAX1MQ9Rs1FvSBOvIlfLhprZu S7/OyfzE+Yh44ezwvUrQyF7Ly8LrzuhF1/TsNteoSZD55rPKqOJd+VsZ6j0ejAwq8KIh vD0O0CZT+UnDlpBHrM45upyA2l3UpL2UcoQzk= 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=aMCQ/9D2OL2UejJnLf26RX0B0w7nFrQsSW8m/RdY+mo=; b=HzsIvgpaAtMgShXQxJ9YKVERhDRcftRksuxxsxMDBGhnSVlrw9XrDyRJ1WQiRTYUrR X1XxpibyP54KrEerzUngYTHuokGWpe6wEXzLas0ZiUre33++JNql0q5229lu/x48UoPu Ont8f9lpwKPwmmD4+Ko+btwbsWTOAJJCojXdb8HSfaLAZ2QXzha+bnxvx1xyZKOiW8rL eZuXgGMs8H71hcZ6cZD2eU/MISM946KM5Xe5Dw8r3xmIwdZo6sTmM9NgVFS50qxVcLgY RXNMTLgy0XSgVhjtW6kA3vE/V9b4XzQNBRCsGH3yqXWNIFrcRDdp+8AedJkBvcxdKwAf w+xA== X-Gm-Message-State: AOAM5331koOFHdT1+OK3aGpmDlyuuHZ4FvYFeHpvcjEv0Ml4Bik/QybF OXt5SLYEzMA++Sf3dyR6oAmsZRNbwgs= X-Google-Smtp-Source: ABdhPJwIW4UStaL4NITW83E2cwRWuWjMfmndGFRyxTGeT/DkZorBziDZapjbqdGBvxKwzqsk5VuGBg== X-Received: by 2002:a9d:4503:: with SMTP id w3mr21904724ote.38.1592254441143; Mon, 15 Jun 2020 13:54:01 -0700 (PDT) Received: from [192.168.1.112] (c-24-9-64-241.hsd1.co.comcast.net. [24.9.64.241]) by smtp.gmail.com with ESMTPSA id k14sm3463139oof.48.2020.06.15.13.54.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 15 Jun 2020 13:54:00 -0700 (PDT) Subject: Re: Linux 5.8-rc1 BUG unable to handle page fault (snd_pcm) To: Takashi Iwai , David Rientjes Cc: Linus Torvalds , Linux Kernel Mailing List , Christoph Hellwig , Shuah Khan References: <446c7a14-db97-6389-a03c-9ffccd251529@linuxfoundation.org> From: Shuah Khan Message-ID: Date: Mon, 15 Jun 2020 14:53:59 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/15/20 1:57 PM, Takashi Iwai wrote: > On Mon, 15 Jun 2020 20:48:11 +0200, > Shuah Khan wrote: >> >> I am seeing the following problem on my system. I haven't started debug >> yet. Is this a known issue? > > Yes, the recent fix by David should paper over it: > http://lore.kernel.org/r/alpine.DEB.2.22.394.2006110025250.13899@chino.kir.corp.google.com > IIRC, Christoph already merged it in his tree. > > I also made another fix series in the sound driver side (found in > topic/dma-fix2 branch in my sound.git tree). > But I guess I'll queue it for 5.9 after more testing. > > David and Takashi, I applied the patch David pointed me to. http://git.infradead.org/users/hch/dma-mapping.git/commitdiff/dbed452a078d56bc7f1abecc3edd6a75e8e4484e I have CONFIG_AMD_MEM_ENCRYPT enabled. Building now. Will keep you updated. thanks, -- Shuah