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=-0.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 AA448C2BB1D for ; Wed, 11 Mar 2020 17:21:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 21B9820746 for ; Wed, 11 Mar 2020 17:21:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="UThROAwY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730547AbgCKRVZ (ORCPT ); Wed, 11 Mar 2020 13:21:25 -0400 Received: from mout.gmx.net ([212.227.15.18]:57717 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730534AbgCKRVX (ORCPT ); Wed, 11 Mar 2020 13:21:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1583947280; bh=N0Mt55tH5t+Up1Jf8+V0Xwu+VhOGcetuqNUN75M6s/I=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=UThROAwY0Puz8teOBw7m281B3Y6r+rjHOyIzEYgi3j+RzqW+TmcT9VGkd5OCr+yQR RIiZRkn1P1mkFsfAWj9XbUUGiCB7Dl1bzLF1ABmPGGr7PizyCT5UNh4NnGIKmimtJL 9wik/tB+lfHjN3qn3lDHgfgreBBHBGetgn0EfI6s= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [10.94.10.10] ([196.52.84.11]) by mail.gmx.com (mrgmx004 [212.227.17.184]) with ESMTPSA (Nemesis) id 1MC34h-1j1ve10gZB-00CQMU; Wed, 11 Mar 2020 18:21:20 +0100 Subject: Re: [Bug 206175] Fedora >= 5.4 kernels instantly freeze on boot without producing any display output To: Linus Torvalds Cc: Christoph Hellwig , Linux Kernel Mailing List , Greg Kroah-Hartman , iommu References: <20200310162342.GA4483@lst.de> <20200310182546.GA9268@lst.de> <20200311152453.GB23704@lst.de> <20200311154328.GA24044@lst.de> <20200311154718.GB24044@lst.de> <962693d9-b595-c44d-1390-e044f29e91d3@gmx.com> From: "Artem S. Tashkinov" Message-ID: Date: Wed, 11 Mar 2020 17:21:18 +0000 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: ru Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:Ze7y1s6CHNlylCGF1+im6WZhD4xZTD+aR40SqUuS7Nb0FZg3KBM HD/zOBY6QVgIkackJElkVcjFBpuhL4AexRdeMdI/rFfAXRe9UqzngsLOx8A8YDq9wxkF3KZ F87fUG7rOr0LPnDTxFdhAGTZ5F2S1FX0Fl695oJJtXGjmWA6tdgU+zq44+k1OhTJ8UAnZ83 nKF8NiFlAS331rxR1VwoA== X-UI-Out-Filterresults: notjunk:1;V03:K0:R0sDNHJ+Vm4=:kBnZF+dTpOcEkg0WvtmBEI kPihdaA/As3/lGXNTUOzoDtVZzwsTuaKdzSbFCB0pG9SjO7hE62YONOb1kgUU6cwoTzbkWFSv jlsbAkTbKboPX4LcwX7BRThXcu6NNzR4YfHSgV1LM8GNWpQK8oTSClnXAd6Jh40rWN9lF+cE6 TxgEHwnEVzrGboYSSsxibnPbX8F1HjMYl/f+GjMIwQ540ghvzn1bGXzsr3ZpyLyPVCdDYqu5j 1arWraV/da5227dPAlg8kcozOib30DHziNJo8NNUFBZOthbQ8S7tgr57P+T0gEVp9x2O2TFXZ GCwzBFuJLs6HA2Du4uHRN0mJuWTbiDAmYpGIAXGTid/s+GT1RMFb14PfTcSTNLIXiN/l1YFN3 yKCfBB6b0NR2PksAfly6xNBqi1YAi2EkS2rt4EJSAMNcyFg9saVhngTQoublBs5TZUKK+tq8R OF/MNwqhb6+Y9FHWR6TGbLmXzvJxC1b2hpOyZw58a7+0mhQSxgBjVHIff/kJ9YtNjGKNFIUYj fqJV9yF/2OFHRC4CFPdgeSylr0qPa1+DauQdDB/PRXgCIN460t3VU2cs8NpIWvYqwLmEGlkL3 4ti8TmZkmZftyfXMMcqoYd5BtRxQYAxbO2qesM3TOQZuO+xzsrvjWlnrPhssWR0ZVdqdfwEDz 384BPbOhhuIeKPuZMD1Z+XEon9u3jSQ+rbkKJDJJjckMt/NT8fOesb4rxE79udG15Lxf5MeJn +N8ATuyG9bRrMF8FTLqBaPwyIDY8J6MEuuedpsB7f1Mdu5Y/9ZUWsz1hR1ZGtuLZvApIdWXcR BH5u0UitU64nRqqtlpX1YFPm7a/seA+lydKe8BGsD0qLSbTQ+py7mKWZ/vSy9ka4iqepeFjd+ wZipi0uXeIlo/6sBojHVyMXrAO2hy18vYwFh2A3C3ahbWhFXJLFBBaJwmCCiqWjLAp87PY0Gj 3S9MBCuZyRMYj+lRF7JnSyna2Qtk4r5JiVqQI/HDMOXOEVUZzszP6jevvHg9nv9SOvuNkbuLh hK92Ddg9wZZ5LHJN9yz3XhktnaJGLAT3B7GBtO991/EuPjDPhIreeRDiGOmM/s1TGm/wZMijF yl+UDHrbOH8CTr16c9VbwvyFT8Hc/tmxWX9pFKmaafmASUOXO4cvuBm/CJcVxjuvBDmAQ1eBM l3j2tIPVyH0Y4ltKmhUCwIS2CeRB6+asXBoJ7ksitvWzb8gmtfRnR7VEkBtHm+zUcAdqnXNoX YHijdGB3L4XA6g1cm Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/11/20 4:21 PM, Linus Torvalds wrote: > On Wed, Mar 11, 2020 at 9:02 AM Artem S. Tashkinov wrote: >> >> With this patch the system works (I haven't created an initrd, so it >> doesn't completely boot and panics on not being able to mount root fs >> but that's expected). > > Perfect. > > I ended up applying my earlier cleanup patch with just the added > removal of the kfree(), which was the actual trigger of the bug. > > It's commit e423fb6929d4 ("driver code: clarify and fix platform > device DMA mask allocation") in my tree. I've not pushed it out yet (I > have a few pending pull requests), but it should be out shortly. I've been able to compile and run e3a36eb6dfaeea8175c05d5915dcf0b939be6dab successfully. I won't claim this patch doesn't break something for other people :-) Best regards, Artem 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=-0.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 304FCC4CEC1 for ; Wed, 11 Mar 2020 17:21:31 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7B16320754 for ; Wed, 11 Mar 2020 17:21:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="UThROAwY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7B16320754 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gmx.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id A2B9988A3E; Wed, 11 Mar 2020 17:21:30 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id d3t36s8NvLW6; Wed, 11 Mar 2020 17:21:29 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id E5B3388A3B; Wed, 11 Mar 2020 17:21:29 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id D918DC07FF; Wed, 11 Mar 2020 17:21:29 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id E99A3C0177 for ; Wed, 11 Mar 2020 17:21:27 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id D2F7789380 for ; Wed, 11 Mar 2020 17:21:27 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OsGsHYykekT0 for ; Wed, 11 Mar 2020 17:21:25 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mout.gmx.net (mout.gmx.net [212.227.15.18]) by hemlock.osuosl.org (Postfix) with ESMTPS id 525E58937D for ; Wed, 11 Mar 2020 17:21:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1583947280; bh=N0Mt55tH5t+Up1Jf8+V0Xwu+VhOGcetuqNUN75M6s/I=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=UThROAwY0Puz8teOBw7m281B3Y6r+rjHOyIzEYgi3j+RzqW+TmcT9VGkd5OCr+yQR RIiZRkn1P1mkFsfAWj9XbUUGiCB7Dl1bzLF1ABmPGGr7PizyCT5UNh4NnGIKmimtJL 9wik/tB+lfHjN3qn3lDHgfgreBBHBGetgn0EfI6s= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [10.94.10.10] ([196.52.84.11]) by mail.gmx.com (mrgmx004 [212.227.17.184]) with ESMTPSA (Nemesis) id 1MC34h-1j1ve10gZB-00CQMU; Wed, 11 Mar 2020 18:21:20 +0100 Subject: Re: [Bug 206175] Fedora >= 5.4 kernels instantly freeze on boot without producing any display output To: Linus Torvalds References: <20200310162342.GA4483@lst.de> <20200310182546.GA9268@lst.de> <20200311152453.GB23704@lst.de> <20200311154328.GA24044@lst.de> <20200311154718.GB24044@lst.de> <962693d9-b595-c44d-1390-e044f29e91d3@gmx.com> From: "Artem S. Tashkinov" Message-ID: Date: Wed, 11 Mar 2020 17:21:18 +0000 MIME-Version: 1.0 In-Reply-To: Content-Language: ru X-Provags-ID: V03:K1:Ze7y1s6CHNlylCGF1+im6WZhD4xZTD+aR40SqUuS7Nb0FZg3KBM HD/zOBY6QVgIkackJElkVcjFBpuhL4AexRdeMdI/rFfAXRe9UqzngsLOx8A8YDq9wxkF3KZ F87fUG7rOr0LPnDTxFdhAGTZ5F2S1FX0Fl695oJJtXGjmWA6tdgU+zq44+k1OhTJ8UAnZ83 nKF8NiFlAS331rxR1VwoA== X-UI-Out-Filterresults: notjunk:1;V03:K0:R0sDNHJ+Vm4=:kBnZF+dTpOcEkg0WvtmBEI kPihdaA/As3/lGXNTUOzoDtVZzwsTuaKdzSbFCB0pG9SjO7hE62YONOb1kgUU6cwoTzbkWFSv jlsbAkTbKboPX4LcwX7BRThXcu6NNzR4YfHSgV1LM8GNWpQK8oTSClnXAd6Jh40rWN9lF+cE6 TxgEHwnEVzrGboYSSsxibnPbX8F1HjMYl/f+GjMIwQ540ghvzn1bGXzsr3ZpyLyPVCdDYqu5j 1arWraV/da5227dPAlg8kcozOib30DHziNJo8NNUFBZOthbQ8S7tgr57P+T0gEVp9x2O2TFXZ GCwzBFuJLs6HA2Du4uHRN0mJuWTbiDAmYpGIAXGTid/s+GT1RMFb14PfTcSTNLIXiN/l1YFN3 yKCfBB6b0NR2PksAfly6xNBqi1YAi2EkS2rt4EJSAMNcyFg9saVhngTQoublBs5TZUKK+tq8R OF/MNwqhb6+Y9FHWR6TGbLmXzvJxC1b2hpOyZw58a7+0mhQSxgBjVHIff/kJ9YtNjGKNFIUYj fqJV9yF/2OFHRC4CFPdgeSylr0qPa1+DauQdDB/PRXgCIN460t3VU2cs8NpIWvYqwLmEGlkL3 4ti8TmZkmZftyfXMMcqoYd5BtRxQYAxbO2qesM3TOQZuO+xzsrvjWlnrPhssWR0ZVdqdfwEDz 384BPbOhhuIeKPuZMD1Z+XEon9u3jSQ+rbkKJDJJjckMt/NT8fOesb4rxE79udG15Lxf5MeJn +N8ATuyG9bRrMF8FTLqBaPwyIDY8J6MEuuedpsB7f1Mdu5Y/9ZUWsz1hR1ZGtuLZvApIdWXcR BH5u0UitU64nRqqtlpX1YFPm7a/seA+lydKe8BGsD0qLSbTQ+py7mKWZ/vSy9ka4iqepeFjd+ wZipi0uXeIlo/6sBojHVyMXrAO2hy18vYwFh2A3C3ahbWhFXJLFBBaJwmCCiqWjLAp87PY0Gj 3S9MBCuZyRMYj+lRF7JnSyna2Qtk4r5JiVqQI/HDMOXOEVUZzszP6jevvHg9nv9SOvuNkbuLh hK92Ddg9wZZ5LHJN9yz3XhktnaJGLAT3B7GBtO991/EuPjDPhIreeRDiGOmM/s1TGm/wZMijF yl+UDHrbOH8CTr16c9VbwvyFT8Hc/tmxWX9pFKmaafmASUOXO4cvuBm/CJcVxjuvBDmAQ1eBM l3j2tIPVyH0Y4ltKmhUCwIS2CeRB6+asXBoJ7ksitvWzb8gmtfRnR7VEkBtHm+zUcAdqnXNoX YHijdGB3L4XA6g1cm Cc: Greg Kroah-Hartman , iommu , Christoph Hellwig , Linux Kernel Mailing List X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On 3/11/20 4:21 PM, Linus Torvalds wrote: > On Wed, Mar 11, 2020 at 9:02 AM Artem S. Tashkinov wrote: >> >> With this patch the system works (I haven't created an initrd, so it >> doesn't completely boot and panics on not being able to mount root fs >> but that's expected). > > Perfect. > > I ended up applying my earlier cleanup patch with just the added > removal of the kfree(), which was the actual trigger of the bug. > > It's commit e423fb6929d4 ("driver code: clarify and fix platform > device DMA mask allocation") in my tree. I've not pushed it out yet (I > have a few pending pull requests), but it should be out shortly. I've been able to compile and run e3a36eb6dfaeea8175c05d5915dcf0b939be6dab successfully. I won't claim this patch doesn't break something for other people :-) Best regards, Artem _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu