From owner-freebsd-fs@FreeBSD.ORG Thu Jan 17 05:10:54 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 9770F221 for ; Thu, 17 Jan 2013 05:10:54 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) by mx1.freebsd.org (Postfix) with ESMTP id 095E7372 for ; Thu, 17 Jan 2013 05:10:53 +0000 (UTC) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.14.6/8.14.6) with ESMTP id r0H5Am09011029; Thu, 17 Jan 2013 07:10:48 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.7.4 kib.kiev.ua r0H5Am09011029 Received: (from kostik@localhost) by tom.home (8.14.6/8.14.6/Submit) id r0H5Amio011028; Thu, 17 Jan 2013 07:10:48 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Thu, 17 Jan 2013 07:10:48 +0200 From: Konstantin Belousov To: Olivier Cochard-Labb? Subject: Re: Reproducible crash with tmpfs on 9.1-release Message-ID: <20130117051048.GK2522@kib.kiev.ua> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="/0P/MvzTfyTu5j9Q" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on tom.home Cc: freebsd-fs@freebsd.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jan 2013 05:10:54 -0000 --/0P/MvzTfyTu5j9Q Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Jan 17, 2013 at 12:47:21AM +0100, Olivier Cochard-Labb? wrote: > Hi, > I reach to reproduce a crash on 9.1-release (amd64) by compiling > software on a tmpfs workdir (cf PR/175353). > My first machine is a 8 core with 56GB RAM, but without swap, then I > didn't have a core dump on it. > Then I reproduced the crash on a smaller machine with 4 core and only > 4GB RAM but with a swap. > I've put the files from my /var/crash online for anyone interested by > (with the exception of the full vmcore): > http://gugus69.free.fr/freebsd/tmpfs/core0/ This looks as unionfs problem, and not tmpfs. Unionfs is known to be broken in varying ways. --/0P/MvzTfyTu5j9Q Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iQIcBAEBAgAGBQJQ94fYAAoJEJDCuSvBvK1B3mIP+gOsmeIalj2AOCvB09iIJtbb xAeHOc99RN6S1vD5xMD/7mJHQ6aKzUQyRiGk03SzecQsoDo6OHUKl5rJ2RgtrIsw iHny7Z2CD7GE1KgGgDK1G8LEmOKONvKaqV6AUmCKdS8yW87MMM4VRua5uc/7MNG9 D/1+Syb9ES37KwrKoIYMXxksaQoAvk+QzF4Gdfd6dvVgLoh1SGkPG8n9LUm3VzsO 8Anmy35rpSl4dEvkbSZ7PSyi7FxCTzsaAG88CaEmmq60vmTJhSQyXCzhvBcI0kPI rM2cAi00lc+PghGPmbuGexULbKFnUlN4+kpzEx7eD8rpf6FRfy2WcKR0PRjGRbIp cNMvHJGCyljY6+82W9z6SD9Y4tlCq1J1pABpVzMTVNUhCihYCmYQRavbwP0rAlsv ld0FM8IwGnn/twgNnBkLsJgysd88JhtF81bEwgW8O/J0M4AoTcHE6vVvuDbpGzGb esemmbAAAffsZqyKr2O3EgEX1lMYwDRTqX+7vaG3IMrXgyGvgIRutkLhwdnoosHI e90LXR9IO8StQ9p+fiK1Y37raVRJgkcCNpsDhzSIz/mbMmbc4Jd/2tLCIbwLEjJC yM5A+AIQr9wK9Pv7pzPNKH3fv/Z2i6eGJaqi/zUYAE4/CD6Nd8076yD20eMsdsRN vDbNenJaRFOA/w0hFw2y =MxRL -----END PGP SIGNATURE----- --/0P/MvzTfyTu5j9Q--