From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f46.google.com ([209.85.220.46]:35261 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751798AbbFKGIQ (ORCPT ); Thu, 11 Jun 2015 02:08:16 -0400 Received: by pacyx8 with SMTP id yx8so47396810pac.2 for ; Wed, 10 Jun 2015 23:08:15 -0700 (PDT) Date: Wed, 10 Jun 2015 23:08:13 -0700 From: Omar Sandoval To: Zhao Lei Cc: linux-btrfs@vger.kernel.org, "'Miao Xie'" , "'Philip'" Subject: Re: [PATCH 0/4] Btrfs: RAID 5/6 missing device replace Message-ID: <20150611060813.GA16231@mew> References: <20150526170547.GA21342@mew.lv.cox.net> <031201d0a3fa$0af404a0$20dc0de0$@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <031201d0a3fa$0af404a0$20dc0de0$@cn.fujitsu.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Thu, Jun 11, 2015 at 11:52:30AM +0800, Zhao Lei wrote: > Hi, Omar Sandoval > > I tested this patchset with my script, but see general protection fault > again. > NODE: kvm with virtio disk > ROOTFS: RHEL6 with btrfs-progs v4.0 > KERNEL: v4.1-rc6 with 4 patchs in this patchset > > Maybe my test have small different with yours, > but it seems is similar bug, could you check it? > Hi, Zhao Lei, Thanks for taking a look! I was able to reproduce this and it looks like a similar bug, this time coming from the parity scrubbing code instead of the data scrubbing code. I didn't test scrubbing a degraded filesystem, only replacing a missing device, so that's probably why I didn't run into it. I'll take a closer look. Thanks, -- Omar