From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751264AbWFSJR4 (ORCPT ); Mon, 19 Jun 2006 05:17:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751265AbWFSJR4 (ORCPT ); Mon, 19 Jun 2006 05:17:56 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:55200 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S1751264AbWFSJRz (ORCPT ); Mon, 19 Jun 2006 05:17:55 -0400 Subject: Re: UDF filesystem has some bugs on truncating From: Alan Cox To: colin Cc: linux-kernel@vger.kernel.org In-Reply-To: <045101c69108$4992a130$106215ac@realtek.com.tw> References: <045101c69108$4992a130$106215ac@realtek.com.tw> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Mon, 19 Jun 2006 10:32:31 +0100 Message-Id: <1150709551.2503.6.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.2 (2.6.2-1.fc5.5) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Ar Gwe, 2006-06-16 am 13:47 +0800, ysgrifennodd colin: > Hi all, > I found that UDF has bugs on truncating. > When you do this: > dd if=/dev/zero of=aaa bs=1024k count=2 seek=3000 > , Linux will hang and die. > The platform is Linux 2.6.16 on MIPS malta board. Ok I eventually sort of reproduced this on x86-64. It took a while because in my environment I see a crash 2 or 3 hours after the test is run, and that crash is on hardware that doesn't otherwise crash and seems to be repeatable. Alan