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=-11.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, 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 71A7BC433F5 for ; Wed, 8 Sep 2021 05:31:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4B2DE61108 for ; Wed, 8 Sep 2021 05:31:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345841AbhIHFcS (ORCPT ); Wed, 8 Sep 2021 01:32:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:52468 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229523AbhIHFcQ (ORCPT ); Wed, 8 Sep 2021 01:32:16 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 37B4761154; Wed, 8 Sep 2021 05:31:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1631079068; bh=PU7VPW7BVHnbqIP/swEyrW6pQgImIHvji2Nqm/ys0rE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=m7EVUmyULko/IP8jskMjlOba/tiF9s7yjcnUlIttFzXmTSVHY5oqkTq3Gi6FH6n9y ON5T+BCaB4yno/Ux6eV4uUy+Ao6u3woTWmRqokzrXLXaFKAiuQVkfnsjthj38vXbIq Umz3AZt06mMGQ1x8T369I/MavtdCDswlPXUGnxEs= Date: Wed, 8 Sep 2021 07:30:49 +0200 From: Greg KH To: wim Cc: stable@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: kernel-4.9.270 crash Message-ID: References: <20210904235231.GA31607@djo.tudelft.nl> <20210905190045.GA10991@djo.tudelft.nl> <20210906093611.GA20123@djo.tudelft.nl> <20210908015139.GA26272@djo.tudelft.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210908015139.GA26272@djo.tudelft.nl> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 08, 2021 at 03:51:39AM +0200, wim wrote: > On Mon, Sep 06, 2021 at 12:52:20PM +0200, Greg KH wrote: > > > > > > > > > > > > from kernel-4.9.270 up until now (4.9.282) I experience kernel crashes upon > > > > > > loading a GPU module. > > > > > > ... > > > > > > > > Do you have any kernel log messages when these crashes happen? > > > ... > > > Aug 1 20:51:24 djo kernel: [] ? 0xf8bc4ef7 > > > > > > > > These aren't going to help us much, can you turn on debugging symbols > > for these crashes for us to see the symbol names? > > ERROR: not enough memory to load nouveau.ko That's the only error? Maybe you don't have enough memory? > i915.ko is smaller and my laptop is bigger. Identical crash, no symbols. Odd. > > > > Can you use 'git bisect' to track down the offending commit? > > > > > > If I would know how to do that > > > > 'man git bisect' should provide a tutorial on how to do this. > > No, it does not. > It would have taken an enormous amount of time and GBs less if I'd found > earlier the only pointer on internet that stated: > > cd linux > git remote add stable git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git > > and that brought me reasonably fast to this: > > 3bd3a8ca5a7b1530f463b6e1cc811c085e6ffa01 is the first bad commit > commit 3bd3a8ca5a7b1530f463b6e1cc811c085e6ffa01 > Author: Maciej W. Rozycki > Date: Thu May 13 11:51:50 2021 +0200 > ... That is a vt change that handles an issue with a console driver, so this feels like a false failure. If you revert this change on a newer kernel release, does it work? And what about showing us the symbols of that traceback? thanks, greg k-h