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_ADSP_CUSTOM_MED, 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 A1F27C65BAE for ; Thu, 13 Dec 2018 11:09:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4562420849 for ; Thu, 13 Dec 2018 11:09:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4562420849 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728408AbeLMLJN (ORCPT ); Thu, 13 Dec 2018 06:09:13 -0500 Received: from [195.159.176.226] ([195.159.176.226]:35015 "EHLO blaine.gmane.org" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1726178AbeLMLJN (ORCPT ); Thu, 13 Dec 2018 06:09:13 -0500 Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1gXOpX-0002I8-Vj for linux-kernel@vger.kernel.org; Thu, 13 Dec 2018 12:06:59 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: "Andrey Jr. Melnikov" Subject: Re: ext4 file system corruption with v4.19.3 / v4.19.4 Date: Thu, 13 Dec 2018 13:38:36 +0300 Message-ID: References: <065643a0-f9aa-a361-715a-03ca978d9228@roeck-us.net> <20181128041555.GE31885@thunk.org> <2547416.7Vy7A2kRpU@siriux> <20181211001158.GA20388@amd> Mime-Version: 1.0 Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: 8bit X-Complaints-To: usenet@blaine.gmane.org User-Agent: tin/2.2.1-20140504 ("Tober an Righ") (UNIX) (Linux/4.3.3-bananian (armv7l)) Cc: linux-ext4@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In gmane.comp.file-systems.ext4 Pavel Machek wrote: > [-- text/plain, кодировка quoted-printable, кодировка: us-ascii, 32 строк --] > Hi! > > > >> OK, - and now we are looking forward to *your* ideas how to solve this. > > > > > > > > After four days playing games around git bisect - real winner is > > > > debian gcc-8.2.0-9. Upgrade it to 8.2.0-10 or use 7.3.0-30 version for > > > > same kernel + config - does not exhibit ext4 corruption. > > > > > > > > I think I hit this https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87859 > > > > with 8.2.0-9 version. > > > > > > > Good that it works for you. But others used gcc 5.4.0 or 6.3.0 and were > > > hit anyway: https://bugzilla.kernel.org/show_bug.cgi?id=201685#c165 > > > > Depends on workload pattern. 4.19.5 built with 8.2.0-10 and 7.3.0-30 - > > crashed after 4 hours of usage (previous build crash in 5 min). > > So my assumption about broken gcc is wrong. > Would it be possible to try vanilla 4.19? (Not stable?) > I test vanilla and -next kernels every week or two, and did not have > ext4 problems recently. I guess many kernel developers test mainline > but not stable... Fix already commited to stable/vanilla brances: https://bugzilla.kernel.org/show_bug.cgi?id=201685#c314