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=-1.0 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 98CD1C10F03 for ; Fri, 22 Mar 2019 20:02:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6669A21874 for ; Fri, 22 Mar 2019 20:02:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=mbuki-mvuki-org.20150623.gappssmtp.com header.i=@mbuki-mvuki-org.20150623.gappssmtp.com header.b="P3w7P9NB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727012AbfCVUCZ (ORCPT ); Fri, 22 Mar 2019 16:02:25 -0400 Received: from mail-wr1-f65.google.com ([209.85.221.65]:43411 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725999AbfCVUCY (ORCPT ); Fri, 22 Mar 2019 16:02:24 -0400 Received: by mail-wr1-f65.google.com with SMTP id d17so3616854wre.10 for ; Fri, 22 Mar 2019 13:02:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mbuki-mvuki-org.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ap5o+tpn9OtFrN8fvD2s704ORsBw+ecBVyZ08vMFyXc=; b=P3w7P9NBzwxqvpiAgCWiiWVf5FPKSLkD8sq1m+sMhA28iRqGhFlMCQ5d/9v24QJJF8 bS+iEg22otoDjF3waHdWyvHpMSV9f1GCieQQs6J43ifTZ+/KtUj8qK0EFbA8Ae6dSkLp dpc3cv4bJcTCvrishP2nWXTLBiw8LUkQeSWOlsB6Q0t8UL7r7G8DS65ZIGbmAh4gTyNb 7lr630bxk+srk/WDp7xzX9EEjxkpDAaR9gHpx1jTh7CtW+h/FYeyfQs17oC6Jzw7wpcr WDxSb3qgGD7sOO05sQC8f6twHmoJonys2Yhr2k0xQXSElIvV5zA0HL9HBe96k4W9Nl/s syzg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ap5o+tpn9OtFrN8fvD2s704ORsBw+ecBVyZ08vMFyXc=; b=c3KaG3l1qNnYXKY/rcFhqJpDLKVTvkBdwXLCeeD3UW6B25B5heW9v5wYE3CM2Vwbj8 vtqrNGx1nVVg6j9VSZOwDUsIfk5nNOUXpxRZn0+ldyrnyz2qYSNcBjVjq4lbxmJyhc/H 0tC2zb+0fFz7t0TU8zXgLHmytjEQSWr4JXI5T4CTlXjuXhopFfKWjySwE86NikVT9P9h odinKhsn9pby6o9O3Yx7W+g2yzSorZbLf2rmej/cxf1hHKhF49lrA9Dd5IwNQwDe4iM5 tpKhTExse/3E+VqjeUSS98NeFESNQ+H5s3xObPkHHdo7F5gSsAhbu12sQUt/8aE8oa9G 4ikQ== X-Gm-Message-State: APjAAAXIPpcBJB87x+TSF7CfEPUPFZUSk/2czz7OUbDtn9lK4ADOSQZy wMMBpLPQVJMGizNPVY+CsW6a0XpwJLO3AS0kCLk6/g== X-Google-Smtp-Source: APXvYqwdZHSyLgAhMoA7chBDfM5toGHV0VUiq62d4vN12G3QYWWYNlprnAUylg0F96eGO38gghyNLTmmJ65hDjZKujs= X-Received: by 2002:a5d:5108:: with SMTP id s8mr7015877wrt.99.1553284942891; Fri, 22 Mar 2019 13:02:22 -0700 (PDT) MIME-Version: 1.0 References: <20190313232112.GC210027@google.com> <20190321232310.GL251185@google.com> In-Reply-To: <20190321232310.GL251185@google.com> From: Jesse Hathaway Date: Fri, 22 Mar 2019 15:02:11 -0500 Message-ID: Subject: Re: Regression causes a hang on boot with a Comtrol PCI card To: Bjorn Helgaas Cc: Ingo Molnar , Peter Zijlstra , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > So apparently the hang happens while we're running the "final" PCI > fixups. This happens after all the rest of PCI is initialized. > > Can you boot v5.0 vanilla with "initcall_debug"? Maybe we can narrow > it down to a specific quirk. yup, added the "initcall_debug" output to the ticket: https://bugzilla.kernel.org/show_bug.cgi?id=202927, here is the tail end [ 14.896337] NET: Registered protocol family 1 [ 14.901314] initcall af_unix_init+0x0/0x4e returned 0 after 4866 usecs [ 14.908694] calling ipv6_offload_init+0x0/0x7f @ 1 [ 14.914238] initcall ipv6_offload_init+0x0/0x7f returned 0 after 1 usecs [ 14.921821] calling vlan_offload_init+0x0/0x20 @ 1 [ 14.927365] initcall vlan_offload_init+0x0/0x20 returned 0 after 0 usecs [ 14.934948] calling pci_apply_final_quirks+0x0/0x126 @ 1 [ 14.941106] pci 0000:00:1a.0: calling quirk_usb_early_handoff+0x0/0x6a0 @ 1 thanks, Jesse Hathaway