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=-5.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 6D034C4346E for ; Mon, 21 Sep 2020 18:56:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0E83020C09 for ; Mon, 21 Sep 2020 18:56:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="HTiguvWW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727448AbgIUS4t (ORCPT ); Mon, 21 Sep 2020 14:56:49 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:47539 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726395AbgIUS4s (ORCPT ); Mon, 21 Sep 2020 14:56:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600714607; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type; bh=pWkNANwFp8KVnuJc5tgcb5hxDfStvMJRcSA/c6Kt/yw=; b=HTiguvWWnr7HIylND5tUTgt/4QB8xcaEVbomiKXTVKpJB9MmIarjyR7ef9FzrzIsDhCCH2 wt2eKWY7+XASsXjtWiLYzFPXAhluiTpFu5bBC+/7Fd0pI3MEmI32xlmtUUdP7xSWUHqicm 9aJd1gXhjlEq2U5qOKgRajhs9E5SmAA= Received: from mail-pj1-f69.google.com (mail-pj1-f69.google.com [209.85.216.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-176-cKEdUrCwPQOi5uNt57d9hA-1; Mon, 21 Sep 2020 14:56:45 -0400 X-MC-Unique: cKEdUrCwPQOi5uNt57d9hA-1 Received: by mail-pj1-f69.google.com with SMTP id gc24so425781pjb.4 for ; Mon, 21 Sep 2020 11:56:45 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:user-agent:from:to:subject:date:message-id :mime-version; bh=pWkNANwFp8KVnuJc5tgcb5hxDfStvMJRcSA/c6Kt/yw=; b=svSbgvcae70Remr0CV11YdDDpXezwkbWkOM2xRTb8NKR7lupvrEv5XVy3FUKxF/ZvK vvdCzFh1f+y0g1Sz//OlnZRZQFjOcNDpnHoreHy2j/N72y5MiQ2ARXxhLBjGItPS6zNG dbErxaOjx6VIL2ma62jRR/VvvOAngOD4kyo8It6ZkJJBuFBKnQFQCZ06ZHJM08dBflBZ RCpnpTlafIQTCstT6S3hOzOq96Ktd46rDKPuRdUvqhaAVHNhvfqx2gL7hZ7i4jdgB5Cg Gmb583jrZKiWSx5agkuie5VRxIUeZHjuHae02VAg/566/UafaC5+LMwmHmeO8C1aE4Jz kdNA== X-Gm-Message-State: AOAM5326C4rL0CShDVluXxm1EICf4OUm5zxwixYIPw/bkJFC4kNjfSGZ ZYHOMkXr79I9WDLf5ZgqJa8AUqlvqHIr60Z3f6uyTkuvFi7QSDGCupJbNlMpz0u2VVQhbg11Xy5 DVG8SqyQ0EmLlH6JuJCRteoqx X-Received: by 2002:aa7:99c7:0:b029:13e:d13d:a056 with SMTP id v7-20020aa799c70000b029013ed13da056mr1065261pfi.28.1600714604909; Mon, 21 Sep 2020 11:56:44 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzGtS9wJP1qEjTL2vZQLuVGFgxGjE7bi7YLAPHtKyeJGP8o7s+XsIA0TtINV5U5VfRwMCqwGw== X-Received: by 2002:aa7:99c7:0:b029:13e:d13d:a056 with SMTP id v7-20020aa799c70000b029013ed13da056mr1065245pfi.28.1600714604684; Mon, 21 Sep 2020 11:56:44 -0700 (PDT) Received: from localhost (ip98-179-76-75.ph.ph.cox.net. [98.179.76.75]) by smtp.gmail.com with ESMTPSA id j9sm12285498pfc.175.2020.09.21.11.56.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Sep 2020 11:56:44 -0700 (PDT) User-agent: mu4e 1.4.10; emacs 27.1 From: Jerry Snitselaar To: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Joerg Roedel , Adrian Huang , Suravee Suthikulpanit Subject: kdump boot failing with IVRS checksum failure Date: Mon, 21 Sep 2020 11:56:42 -0700 Message-ID: <87o8lzvtzp.fsf@redhat.com> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello Joerg, We are seeing a kdump kernel boot failure in test on an HP DL325 Gen10 and it was tracked down to 387caf0b759a ("iommu/amd: Treat per-device exclusion ranges as r/w unity-mapped regions"). Reproduced on 5.9-rc5 and goes away with revert of the commit. There is a follow on commit that depends on this that was reverted as well 2ca6b6dc8512 ("iommu/amd: Remove unused variable"). I'm working on getting system access and want to see what the IVRS table looks like, but thought I'd give you heads up. Regards, Jerry