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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 1F44AC433EF for ; Sun, 5 Sep 2021 19:06:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F08CD603E7 for ; Sun, 5 Sep 2021 19:06:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232965AbhIETHa (ORCPT ); Sun, 5 Sep 2021 15:07:30 -0400 Received: from x127130.tudelft.net ([131.180.127.130]:34236 "EHLO djo.tudelft.nl" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229865AbhIETH3 (ORCPT ); Sun, 5 Sep 2021 15:07:29 -0400 X-Greylist: delayed 409 seconds by postgrey-1.27 at vger.kernel.org; Sun, 05 Sep 2021 15:07:28 EDT Received: by djo.tudelft.nl (Postfix, from userid 2001) id AD58A1C42C4; Sun, 5 Sep 2021 21:00:45 +0200 (CEST) Date: Sun, 5 Sep 2021 21:00:45 +0200 From: wim To: gregkh@linuxfoundation.org Cc: wim , stable@vger.kernel.org, linux-kernel@vger.kernel.org Subject: kernel-4.9.270 crash Message-ID: <20210905190045.GA10991@djo.tudelft.nl> Reply-To: wim@djo.tudelft.nl References: <20210904235231.GA31607@djo.tudelft.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210904235231.GA31607@djo.tudelft.nl> User-Agent: Mutt/1.11.2 (2019-01-07) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Sep 05, 2021 at 01:52:31AM +0200, wim wrote: > > Hello Greg, > > from kernel-4.9.270 up until now (4.9.282) I experience kernel crashes upon > loading a GPU module. > It happens on two out of at least six different machines. > I can't believe that I'm the only one where that happens, but since the bug > is still there twelve versions later, I need to report this. > > I run Gentoo with vanilla kernels. > Upon loading i915.ko (automatically or manually) my laptop freezes until > power-down. (Note that other machines using i915.ko have no problems here.) > It's an Asus laptop with Intel chipset with a peculiarity: > > 00:02.0 VGA compatible controller: Intel Corporation HD Graphics 620 (rev 02) > 01:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 940MX] (rev a2) > > (It uses Intel natively and nobody knows how to make use of that Nvidia chip) > > > On an AMD desktop I get the same crash upon loading of nouveau.ko . > > Something ugly must have been introduced in kernel-4.9.270 . > Strace modprobe .. only prints two lines on the screen. > Strace modprobe .. 2>&1 > file produces only an empty file. > > Any ideas? Regards, Wim Osterholt.