From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pat LaVarre Subject: Re: given fs dies if SMP, if PREEMPT, if open two or more Date: 25 Nov 2003 10:06:32 -0700 Sender: linux-fsdevel-owner@vger.kernel.org Message-ID: <1069779992.2445.4.camel@patrh9> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from email-out1.iomega.com ([147.178.1.82]:900 "EHLO email.iomega.com") by vger.kernel.org with ESMTP id S261299AbTKYRHM (ORCPT ); Tue, 25 Nov 2003 12:07:12 -0500 Received: from royntex01.iomegacorp.com (unknown [147.178.90.120]) by email.iomega.com (Postfix) with ESMTP id 288DE1CA1 for ; Tue, 25 Nov 2003 10:07:05 -0700 (MST) To: linux-fsdevel@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org > So far we've demoed some trouble in the > linux-fsdevel thread "zeroes read back more > often than appended". That trouble occurs if > CONFIG_SMP, if CONFIG_PREEMPT, or if I append > nonzero bytes to multiple files in a round > robin sequence. > > That says to me something in udf.ko doesn't > know how to reenter itself, right? So my next > step is to try reading while writing, to see > if that breaks also, right? I remember eventually I did try that, but in fact writing while reading did Not break as readily as writing while writing. Pat LaVarre