From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) by kanga.kvack.org (Postfix) with ESMTP id E19B38E0001 for ; Mon, 21 Jan 2019 16:48:53 -0500 (EST) Received: by mail-io1-f71.google.com with SMTP id s5so17596320iom.22 for ; Mon, 21 Jan 2019 13:48:53 -0800 (PST) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id p11sor21790833itb.1.2019.01.21.13.48.52 for (Google Transport Security); Mon, 21 Jan 2019 13:48:53 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Mikhail Gavrilov Date: Tue, 22 Jan 2019 02:48:41 +0500 Message-ID: Subject: Re: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-mm@kvack.org List-ID: To: "Grodzovsky, Andrey" Cc: "linux-mm@kvack.org" , amd-gfx list , "Wentland, Harry" On Mon, 21 Jan 2019 at 22:00, Grodzovsky, Andrey wrote: > > + Harry > > Looks like this is happening during GPU reset due to job time out. I would first try to reproduce this just with a plain reset from sysfs. > Mikhail, also please provide add2line for dce110_setup_audio_dto.isra.8+0x171 $ eu-addr2line -e /lib/debug/lib/modules/5.0.0-0.rc2.git4.3.fc30.x86_64/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu.ko.debug dce110_setup_audio_dto.isra.8+0x171 drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:1996:25 Thanks, I hope this helps. -- Best Regards, Mike Gavrilov. 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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 CC505C3712F for ; Mon, 21 Jan 2019 21:48:55 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 7CA5720879 for ; Mon, 21 Jan 2019 21:48:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ieSP1I9H" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7CA5720879 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 28F7A8E0003; Mon, 21 Jan 2019 16:48:54 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 23EBB8E0001; Mon, 21 Jan 2019 16:48:54 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 155BE8E0003; Mon, 21 Jan 2019 16:48:54 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) by kanga.kvack.org (Postfix) with ESMTP id E19B38E0001 for ; Mon, 21 Jan 2019 16:48:53 -0500 (EST) Received: by mail-io1-f71.google.com with SMTP id s5so17596320iom.22 for ; Mon, 21 Jan 2019 13:48:53 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:dkim-signature:mime-version:references :in-reply-to:from:date:message-id:subject:to:cc; bh=x7UAzhxhYqF5MWQe8FEEyUUkSs2EO4xS/Q0CLMrkaXk=; b=lOzaly2r2GSrHlicky50BxwkHET5SkTEI4i2hm8NtGosQhSpESE9kA4D3taqhVB+Bz H+Vn8DoXZbrJWYbO/ZdUBE8LBJMxe8puOHpdweg46xFCEoJ7d4Ze1dirVFo4MYXCYu4/ UkxrTuU/031nUAHb2bqw7Lp3KoTz996giAegyNP/HfPbxDktxbtNMGPDcFtCm4frjIhm Qc1ygfLcJUrecZRcoiICLkHiMDK96f/QwGe1U7GTiu8iqftp5FLJD51IPsNAh+YYQeZA SAPGOifkRLm+qeg8bdoP//Alory+lobD+Zk/+2X0ZK92kg+VPP3KodR0baKoZ/2Q9d/z u66A== X-Gm-Message-State: AJcUukcmP7tmjFGH+a88bH2EwvQXLmWpbNQXeX35lUcx9SbGt7liA3cZ 0o1LVJ+oIZrE0r3zjFU6pSnqBYNg4xdRzIMDjIGd0/G+jvNl9O23c9pXAeGamLJskiFkkzz1SGc A1Hj4lZKOednCDZzWYOaZJI9MoFxL2Wq36fpfm2GCE4CAAOVbS47/fADXbyUs99cEKuU1svsFVi Fvq7Hga2/Qa6hWmYOVCBLLPfjHIBiD4orP72fiPIq1BAyt9hXYBcC9uyvy+gQg+HRdZWft+cd7l mbUrednHxCI4SzeQKEkwL/Uk61kZg38b0uKiah6b0wBLufCnPXUAgMR7h9V6HxsaYTo52GiUYZ7 kf5es2FUKwOhaUF3COMcUvcM4VUOGz1yi+WFz9UikqebA/9VIALhH5/unKNKwOsnKK3MLnHwYBg 3 X-Received: by 2002:a05:660c:6cc:: with SMTP id z12mr263737itk.65.1548107333694; Mon, 21 Jan 2019 13:48:53 -0800 (PST) X-Received: by 2002:a05:660c:6cc:: with SMTP id z12mr263715itk.65.1548107333066; Mon, 21 Jan 2019 13:48:53 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1548107333; cv=none; d=google.com; s=arc-20160816; b=ysfOLJeO4slN/c5NPJpfvx0ahdL/FDZkYnGMG3BxteemJjzb/jDlBwV181T15bDYCs lp+LkhUHInA4ag6slAUcTFLRzM2w9S4lmyuF82l60W7ZqrIwm6gVVYrZWIXQ7N5loufL 4y9MSMVmLNOf7MPKd9o8uf5l1XTMDREHZH1LNoPQV7j9pDuVZEK469YKSwxyEZlPIjXE I/PMeMhSuFc0xO3TKaD2JCc7Dscq5daGlPRcVu0WUKO+u8/ubm3CdSvqk8CHt3ASnbSa 8f/vgqtu6Tzdmx+F7dSYQs1XnQ0sa6Hw1WC2ytqQemYHq0XxchTYLwN4IdvNrPN7KrFY zZtQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:dkim-signature; bh=x7UAzhxhYqF5MWQe8FEEyUUkSs2EO4xS/Q0CLMrkaXk=; b=p6QuhOrsGT3SgQaqwDLQgrAs1tG3Gu4Pi28m7XT7xbhrOEAncNXOA8eSqm4PlN/qpt cc+ALhr+m6pMNmhOnXs8KSkYCvqnzXTzNkJGxUdlylNR1sL4/aWMjvfLBCtApZDe6lom AwQOUykaCktaam3PVjx9Xvli3KGoag5TfOTtO/+mEZDYE9uO6lp/qhPpq0kNL/IBb2P6 OEZRVij3fa2MrhDxevzRqGZJ/myoT7wV28nKrTJUCeh7dtpy7VWq+TEps6g/sfb7Wz+/ Wlv8NKS9J9jyspZq0PgNyimfOehzjPDDUM/fv6Z3aEedk097y4sn5LtKCX3eXf+Ze9Zq KiWA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=ieSP1I9H; spf=pass (google.com: domain of mikhail.v.gavrilov@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=mikhail.v.gavrilov@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id p11sor21790833itb.1.2019.01.21.13.48.52 for (Google Transport Security); Mon, 21 Jan 2019 13:48:53 -0800 (PST) Received-SPF: pass (google.com: domain of mikhail.v.gavrilov@gmail.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=ieSP1I9H; spf=pass (google.com: domain of mikhail.v.gavrilov@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=mikhail.v.gavrilov@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=x7UAzhxhYqF5MWQe8FEEyUUkSs2EO4xS/Q0CLMrkaXk=; b=ieSP1I9HrJ9ZWab0gbTr8LYXjgHi79AC4/3BhSXI77hHT91FA/ZukJOeHjIV8Ox+Hm oOALLkHkEFkSbcSMASrXa1DD2tamhW4Nrz7bH+6/MIPXCPZKOlqaQcMVXbh45mylbpmh qa6E2U+Or67R0TAYc4h4Yi99xrcVmwrnSWYuH5VJKxUebXSY+5D6Or/lZBK+aPb3w7nA T5fyik3e0PE9Oi6kALLEhBhL6gfzlkFneAFuSM6N9XMPaiIuNKa3nd1ivb4U0nI9Ediz YOH/3nF60jJ07SuKdnlARvZm1DBVxRT6JosfWQWb/zFoYQon9gJjbubGpk7gN3z8Q8uV MsDg== X-Google-Smtp-Source: AHgI3IZNnAiS0Sm8G2yKZEX1KaVGmEJ0ujjvsJwi8+bEIGjvy+8VpWO7BS2GAyvkwNsFlGde8L0i3M6icbd0LyeLC6I= X-Received: by 2002:a24:2e94:: with SMTP id i142mr814111ita.157.1548107332434; Mon, 21 Jan 2019 13:48:52 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Mikhail Gavrilov Date: Tue, 22 Jan 2019 02:48:41 +0500 Message-ID: Subject: Re: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 To: "Grodzovsky, Andrey" Cc: "linux-mm@kvack.org" , amd-gfx list , "Wentland, Harry" Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Message-ID: <20190121214841.a-2t2vPQjPxZkcHNCXuqHBJeP6__9FNmUqCMcvtW1v0@z> On Mon, 21 Jan 2019 at 22:00, Grodzovsky, Andrey wrote: > > + Harry > > Looks like this is happening during GPU reset due to job time out. I would first try to reproduce this just with a plain reset from sysfs. > Mikhail, also please provide add2line for dce110_setup_audio_dto.isra.8+0x171 $ eu-addr2line -e /lib/debug/lib/modules/5.0.0-0.rc2.git4.3.fc30.x86_64/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu.ko.debug dce110_setup_audio_dto.isra.8+0x171 drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_hw_sequencer.c:1996:25 Thanks, I hope this helps. -- Best Regards, Mike Gavrilov.