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=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 41AEAC4727C for ; Thu, 1 Oct 2020 08:22:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0925820BED for ; Thu, 1 Oct 2020 08:22:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="NgazHTI+"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="IOZyUThn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731336AbgJAIWh (ORCPT ); Thu, 1 Oct 2020 04:22:37 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:34254 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725878AbgJAIWh (ORCPT ); Thu, 1 Oct 2020 04:22:37 -0400 From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1601540555; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ONHqAv4qT+OTc2BgimstCJPvlJyn9PqWstJJf6uzEpc=; b=NgazHTI+SJGDs8egXRGtdo+QGi3xh0JlmycrGchBYrODbgZTjUWPuqO6ut+FnIDPq/gdSJ vByj+411k82ifrt2BEVuNPgqX27Y3wm+6Dmn4KcscKE05+QXauqWGac/+IkXdSlflKGPVQ gqO3sNFZEbbRG+38SCAe6Uy+7ikGtCs4oqeZOia8yJeiTw1hywgKpiq12HtknxenkgKzRe OJrPufOitZDre5pRXFtSqz9yo9w/AoYjWbk8swkUhUsvsq/Dr/oz8+/DUOp6P8ZPNkir9G eIp6uHls/G0PP4zrn3niGbMtU2e4Jej+7XYXpi+l/7lKt0TktRFbV900KLGnEw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1601540555; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ONHqAv4qT+OTc2BgimstCJPvlJyn9PqWstJJf6uzEpc=; b=IOZyUThnP0eFdoTtp5uGay28riwQzj9H86PK6wCN00tcNvQN7l480emm6WUDFykV9hpp72 zqYBI/TNYKqiSDAg== To: Zi Yan Cc: Wei Liu , Joerg Roedel , x86@kernel.org, iommu@lists.linux-foundation.org, linux-hyperv@vger.kernel.org, linux-pci@vger.kernel.org, xen-devel@lists.xenproject.org Subject: Re: Boot crash due to "x86/msi: Consolidate MSI allocation" In-Reply-To: References: Date: Thu, 01 Oct 2020 10:22:35 +0200 Message-ID: <874knegxtg.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org Yan, On Wed, Sep 30 2020 at 21:29, Zi Yan wrote: > I am running linux-next on my Dell R630 and the system crashed at boot > time. I bisected linux-next and got to your commit: > > x86/msi: Consolidate MSI allocation > > The crash log is below and my .config is attached. > > [ 11.840905] intel_get_irq_domain+0x24/0xb0 > [ 11.840905] native_setup_msi_irqs+0x3b/0x90 This is not really helpful because that's in the middle of the queue and that code is gone at the very end. Yes, it's unfortunate that this breaks bisection. Can you please test: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/irq which contains fixes and if it still crashes provide the dmesg of it. Thanks, tglx