From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 27 May 2002 03:23:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 27 May 2002 03:23:41 -0400 Received: from smtpde01.sap-ag.de ([194.39.131.52]:51155 "EHLO smtpde01.sap-ag.de") by vger.kernel.org with ESMTP id ; Mon, 27 May 2002 03:23:40 -0400 From: Christoph Rohland To: zlatko.calusic@iskon.hr Cc: linux-kernel@vger.kernel.org, Andrew Morton , Hugh Dickins Subject: Re: 2.5.18 / ext3 / oracle trouble In-Reply-To: <877klr2ank.fsf@atlas.iskon.hr> Organisation: Development SAP J2EE Engine Date: 27 May 2002 09:23:04 +0200 Message-ID: User-Agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Common Lisp (Windows [3])) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-SAP: out X-SAP: out Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Zlatko, On Sun, 26 May 2002, Zlatko Calusic wrote: > Hi! > > After lots of testing, I can say that 2.5.18 works great in all > three modes of ext3 for all but one purpose. Oracle database still > gets corrupted during insert load. More precisely, online redo log > gets corrupted, database panics and restore is in order. > > This leads me to thinking that there's something wrong with sysv > shared memory in 2.5.x. Although the problem could also be in > fsync() or swap_out() & co. paths, it's yet to be discovered. > > It could also be that journaled mode helps the trouble, and it could > be that some swapping makes it more certain, but none of these two > facts are proved for sure. Take it as an observation. > > Christoph, I don't know if you're still taking care of shmem in > 2.5.x, so take my apologies if you didn't want to see this email. > > Regards, > -- > Zlatko Unfortunately I do not have the time to work on shmem right now. Hugh Dickins is the right guy to contact nowadays. Greetings Christoph