From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net ([212.227.15.18]:64069 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754715AbaHYQOo (ORCPT ); Mon, 25 Aug 2014 12:14:44 -0400 Message-ID: <53FB60F1.6080902@gmx.de> Date: Mon, 25 Aug 2014 18:14:41 +0200 From: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= MIME-Version: 1.0 To: bo.li.liu@oracle.com CC: linux-btrfs@vger.kernel.org Subject: Re: fuzz testing a 32 bit x86 user mode linux guest brought a BUG in References: <53ED3095.4070004@gmx.de> <20140825041213.GD22848@localhost.localdomain> In-Reply-To: <20140825041213.GD22848@localhost.localdomain> Content-Type: text/plain; charset=utf-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 08/25/2014 06:12 AM, Liu Bo wrote: > Could you please elaborate what options of trinity you're using? > > thanks, > -liubo $> nice trinity.sh -t "-C 2 -N 100000 -x mremap -x munmap -x madvise -q" -v /mnt/btrfs So for UML I excluded in the past those 3 syscalls (nowadays no longer necessary), run 2 clients in parallel, the BTRFS fs was created in this manner : dd if=/dev/zero of=/mnt/ramdisk/btrfs.fs bs=1M count=97 2>/dev/null; /sbin/mkfs.btrfs /mnt/ramdisk/btrfs.fs 1>/dev/null 2>&1; mount -o loop,compress=lzo /mnt/ramdisk/btrfs.fs /mnt/btrfs; chmod 777 /mnt/btrfs -- Toralf pgp key: 0076 E94E