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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 3548DC43219 for ; Fri, 26 Apr 2019 14:52:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E47CD206E0 for ; Fri, 26 Apr 2019 14:52:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lca.pw header.i=@lca.pw header.b="Xs33s452" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726429AbfDZOwb (ORCPT ); Fri, 26 Apr 2019 10:52:31 -0400 Received: from mail-qt1-f182.google.com ([209.85.160.182]:34647 "EHLO mail-qt1-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726039AbfDZOwb (ORCPT ); Fri, 26 Apr 2019 10:52:31 -0400 Received: by mail-qt1-f182.google.com with SMTP id j6so4424699qtq.1 for ; Fri, 26 Apr 2019 07:52:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lca.pw; s=google; h=message-id:subject:from:to:cc:date:mime-version :content-transfer-encoding; bh=48zgZZm9rHvCEp1pEqUhC0U3faF4KPhZf7qiHf9zYg0=; b=Xs33s452X6QtzPCMCAtjr0M4pj8fZRIA6lwgvpWwu/cIIYP/lUyae2OIpm6XQLNdKy AWQNsXk+6JWuzUrg6GKOlETU9g2B2AU1vA9bKtiXGdfReOwebMl/ppTKXW2J8Y0dZfke eXBK663QRdQNjUz8h+GoZlZb4zEddEdwng4Y8hUmXSOolJ+rYVzC/OUPSxbF7azdFHa2 jR8sYQsEZbSj2OPxHczSLv61il9kWCTO6EAk8jXPZSFIpt8wchRUjbcNC9jGaPa+dPmX v0FQsMmlG4Ik/Tdpqotn/UGz+LGzLLbCmARjsbXN2GOBlVoLTRsehiLvaHRSNtZ+t8XP qa1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:cc:date:mime-version :content-transfer-encoding; bh=48zgZZm9rHvCEp1pEqUhC0U3faF4KPhZf7qiHf9zYg0=; b=dUPVTH7QL/kgUh7lE2eJMSZzOsGRMyGsAp8g/29kGyuaJALmLMZrCw+jdIHSn/hJpJ vne7PGt+ueXOjEHOC9wy6dD9Erz/895Ok32c0A0SOQBLs3F1RbqN4Dcb6tr3vlqXPCAS cj4yNlWa52YSeq738FohJ9lEjg9yGACDinVMfyHYCyvkawNV8bhH4QIrbcAD8ImgMe1P p5jmqp+Q6nlMN9VoRe7dRY3AafpBwQQbmhEJFnpN5rx4U4sk7+DfEtHdfehnv03UpJL3 scBvJm56OAcHHUP8GNKLk7Z+i8cDNWN4JOoPciHx9awEurLr5QRVB6JRBcTU9bXUtZOm kTew== X-Gm-Message-State: APjAAAUOhO9tVjH/Ncr/zIK2/zxR9eCDoVRR7GREhmN1YNDklR4ZykUp LeIn5XGmv8UGkPNZpinDDcghZg== X-Google-Smtp-Source: APXvYqwAVI9GU8elWrhSomD5TS/PfqIKCx0Zk29tTGQeDfrgZtmKz7RRurmUfZ4VHuVfmHrwY153mw== X-Received: by 2002:ac8:379c:: with SMTP id d28mr24803403qtc.91.1556290350226; Fri, 26 Apr 2019 07:52:30 -0700 (PDT) Received: from dhcp-41-57.bos.redhat.com (nat-pool-bos-t.redhat.com. [66.187.233.206]) by smtp.gmail.com with ESMTPSA id g24sm3642158qkm.25.2019.04.26.07.52.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 26 Apr 2019 07:52:29 -0700 (PDT) Message-ID: <1556290348.6132.6.camel@lca.pw> Subject: "iommu/amd: Set exclusion range correctly" causes smartpqi offline From: Qian Cai To: jroedel@suse.de Cc: iommu@lists.linux-foundation.org, "linux-kernel@vger.kernel.org" Date: Fri, 26 Apr 2019 10:52:28 -0400 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6 (3.22.6-10.el7) Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Applying some memory pressure would causes smartpqi offline even in today's linux-next. This can always be reproduced by a LTP test cases [1] or sometimes just compiling kernels. Reverting the commit "iommu/amd: Set exclusion range correctly" fixed the issue. [  213.437112] smartpqi 0000:23:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0000 address=0x1000 flags=0x0000] [  213.447659] smartpqi 0000:23:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0000 address=0x1800 flags=0x0000] [  233.362013] smartpqi 0000:23:00.0: controller is offline: status code 0x14803 [  233.369359] smartpqi 0000:23:00.0: controller offline [  233.388915] print_req_error: I/O error, dev sdb, sector 3317352 flags 2000001 [  233.388921] sd 0:0:0:0: [sdb] tag#95 UNKNOWN(0x2003) Result: hostbyte=0x01 driverbyte=0x00 [  233.388931] sd 0:0:0:0: [sdb] tag#95 CDB: opcode=0x2a 2a 00 00 55 89 00 00 01 08 00 [  233.389003] Write-error on swap-device (254:1:4474640) [  233.389015] Write-error on swap-device (254:1:2190776) [  233.389023] Write-error on swap-device (254:1:8351936) [1] /opt/ltp/testcases/bin/mtest01 -p80 -w