Return-Path: Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:52363 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728624AbeLKAMB (ORCPT ); Mon, 10 Dec 2018 19:12:01 -0500 Date: Tue, 11 Dec 2018 01:11:58 +0100 From: Pavel Machek To: Andrey Melnikov Cc: jrf@mailbox.org, Theodore Ts'o , linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org Subject: Re: ext4 file system corruption with v4.19.3 / v4.19.4 Message-ID: <20181211001158.GA20388@amd> References: <065643a0-f9aa-a361-715a-03ca978d9228@roeck-us.net> <20181128041555.GE31885@thunk.org> <2547416.7Vy7A2kRpU@siriux> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="LQksG6bCIzRHxTLp" Content-Disposition: inline In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: --LQksG6bCIzRHxTLp Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > >> OK, - and now we are looking forward to *your* ideas how to solve th= is. > > > > > > 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=3D878= 59 > > > 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=3D201685#c165 >=20 > 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... Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --LQksG6bCIzRHxTLp Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlwPAM4ACgkQMOfwapXb+vLyyQCglNr9W0Yjj+gLo6r9M2hiqmgZ nuUAoLpVLCRMF5SHvowKQwp8rB12CY4A =9lSA -----END PGP SIGNATURE----- --LQksG6bCIzRHxTLp--