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=-5.8 required=3.0 tests=BAYES_00,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 BEDCEC4363F for ; Mon, 10 May 2021 11:58:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 98C706121E for ; Mon, 10 May 2021 11:58:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242517AbhEJLzt (ORCPT ); Mon, 10 May 2021 07:55:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45482 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234894AbhEJLFZ (ORCPT ); Mon, 10 May 2021 07:05:25 -0400 Received: from mail-ej1-x633.google.com (mail-ej1-x633.google.com [IPv6:2a00:1450:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EE7C4C034632 for ; Mon, 10 May 2021 03:52:46 -0700 (PDT) Received: by mail-ej1-x633.google.com with SMTP id r9so23823597ejj.3 for ; Mon, 10 May 2021 03:52:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=i4j+T1/lO3597tPevHlrW6evOjrr6G8etz61AeHJbyQ=; b=wwAEKmat5aqvSwS475i7VYb7Dt1PS2TJjR3Mv2EhqgPGVvdqR/h6/h1JfuaXvAkVXV N+JDjegCW77A0Kssv4TdqlgL4kMfoHkSiK6zfWnDdsBdonOdjikInThJiKmA9hZ0umq6 OZrcvSx2sztQsW2mHYrdRB7OdQyFEUN0Nv3M9SCjUs2E6IiRjgNtLE/dKhgj9XBvtmFr Ffb6833o9zKrefHBRoZbC5CL4El311nikSClJOMcBNy/dn2JGLtzCowOZCox+Wvbc2Uu qs94P0DurHrP+ucp+Z73fu2mF7MUF9SxhHFH8qb3Q+73ztmMFQG0RduUkr8TLJScgWyd 4OwQ== 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=i4j+T1/lO3597tPevHlrW6evOjrr6G8etz61AeHJbyQ=; b=mLJNADWqyxfwBGsFiEuM+ccna3Wup+cQh6QneHw8mTUwl6RcyEIZF1N02fTkuHM9jH 7zftd48zUPMerIeSjiTjzNXB60rSeoSXGSrNAuGbBHgCXi6gy+A63BeLWolisbsmdBaw 9KXWX284yM5bjm3b5XmkhmMrN9DJ+wfi2b/GK2a5VgkegsOBOC7ULvWWonCm643PF7Qc ebg5JtIwILDQ8UwMguP0kWx03/4TKxtFpVh9kXTjSIimx8Q2Ez8NtWNrrbHcbla7UGuo NJkhSnOieNFkCdhC+HU0/4Z9Yo4iDAX9XUMdfNc9vTutmq6qPS8VRc8XnSSO6vXTy/Xc BclA== X-Gm-Message-State: AOAM5329vk8qXB4EZkD93ly6hzX2RLxM8VTJWLC0H7ZaQ49Crs8Svy0Q ln7ZS5H0808MStqXZoeM4s4n86pHM1UChoMn5bcEcQ== X-Google-Smtp-Source: ABdhPJzIssnplywWZVqr3lrsOiL49JGzBQ2LDDMN5qIW3PMaWXMdwq+9knMjMecTV9lSUKLBc64VVUiMEREDphMg3UU= X-Received: by 2002:a17:907:6ee:: with SMTP id yh14mr24722036ejb.375.1620643965545; Mon, 10 May 2021 03:52:45 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Naresh Kamboju Date: Mon, 10 May 2021 16:22:32 +0530 Message-ID: Subject: Re: Unhandled fault: imprecise external abort (0x1406) at 0x00000000 - PC is at xhci_hub_control To: linux-usb@vger.kernel.org, open list , lkft-triage@lists.linaro.org Cc: peter.chen@kernel.org, jackp@codeaurora.org, NXP Linux Team , Greg Kroah-Hartman , Alan Stern , mathias.nyman@intel.com, Li Jun Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 10 May 2021 at 16:02, Naresh Kamboju wrote: > > The kernel crash reported on arm architecture BeagleBoard-X15 device running > Linux next 5.13.0-rc1-next-20210510 while booting the device. > > [ 4.956085] xhci-hcd xhci-hcd.1.auto: xHCI Host Controller > [ 4.961639] xhci-hcd xhci-hcd.1.auto: new USB bus registered, > assigned bus number 2 > [ 4.969360] xhci-hcd xhci-hcd.1.auto: Host supports USB 3.0 SuperSpeed > [ 4.976165] usb usb2: We don't know the algorithms for LPM for this > host, disabling LPM. > [ 4.985321] hub 2-0:1.0: USB hub found > [ 4.989196] hub 2-0:1.0: 1 port detected > [ 5.002197] Waiting for root device > PARTUUID=6b10e805-12ad-b44e-88b8-3abf3d5f52ed... > [ 5.022918] 8<--- cut here --- > [ 5.026000] Unhandled fault: imprecise external abort (0x1406) at 0x00000000 > [ 5.033root > 081] pgd = ff6a1748 > [ 5.035797] [00000000] *pgd=00000000 > [ 5.039398] Internal error: : 1406 [#1] SMP ARM > [ 5.043975] Modules linked in: > [ 5.047027] CPU: 0 PID: 22 Comm: kworker/0:1 Not tainted > 5.13.0-rc1-next-20210510 #1 > [ 5.054809] Hardware name: Generic DRA74X (Flattened Device Tree) > [ 5.060943] Workqueue: pm pm_runtime_work > [ 5.065002] PC is at xhci_hub_control+0xd00/0x248c > [ 5.069824] LR is at arm_heavy_mb+0x44/0x48 Since, this crash is not easily reproducible I could bisect it. - Naresh