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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 4E2E2C10F03 for ; Mon, 4 Mar 2019 23:14:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1C59520823 for ; Mon, 4 Mar 2019 23:14:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726098AbfCDXO3 (ORCPT ); Mon, 4 Mar 2019 18:14:29 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:50212 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726066AbfCDXO3 (ORCPT ); Mon, 4 Mar 2019 18:14:29 -0500 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 6F33280504; Tue, 5 Mar 2019 00:14:20 +0100 (CET) Date: Tue, 5 Mar 2019 00:14:26 +0100 From: Pavel Machek To: "Theodore Y. Ts'o" Cc: adilger.kernel@dilger.ca, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: 5.0.0-rc8-next-20190301+: kernel bug at fs/inode.c:513 Message-ID: <20190304231426.GA6191@amd> References: <20190304160255.GA6914@amd> <20190304223232.GA6323@mit.edu> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="wRRV7LY7NUeQGEoC" Content-Disposition: inline In-Reply-To: <20190304223232.GA6323@mit.edu> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org --wRRV7LY7NUeQGEoC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > (Adding linux-mm and moving linux-ext4 and linux-kernel to the bcc > list...) Umm. So I ... bcc them too? > On Mon, Mar 04, 2019 at 05:02:55PM +0100, Pavel Machek wrote: > >=20 > > This happened on trying to sync filesystems with unison: > >=20 > > Any ideas? > >=20 > > Should I be forcing fsck soon? > > Pavel > >=20 > > [12717.827444] ------------[ cut here ]------------ > > [12717.827465] kernel BUG at fs/inode.c:513! >=20 > It seems unlikely that fsck is going to help. The BUG_ON in question > appears to be: >=20 > BUG_ON(inode->i_data.nrexceptional); >=20 > This is an in-memory accounting variable which seems to be related to > tracking DAX and shadow page entries --- and it seems very unlikely to > be the sort of thing triggered by an on-disk corruption. >=20 > Do you have a reliable repro for this? If so, the next step would be > to bisect... It happened just once... so I don't yet know. I'm not even sure what file was affected. unison was showing some kind of png from openstreetmap cache, but I could read it using md5sum just fine. -next is normally pretty boring, but it seems to get pretty interesting around -final release... Thanks, Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --wRRV7LY7NUeQGEoC Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlx9sVIACgkQMOfwapXb+vIj1wCcDNDyh73JPR2+YEhta+oodZ5w EeEAoJ4ZT9rBeSjIeZntlLmtSiMkBLWJ =ifRx -----END PGP SIGNATURE----- --wRRV7LY7NUeQGEoC--