From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.profihost.ag ([85.158.179.208]:42441 "EHLO mail.profihost.ag" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755842Ab2FYUde (ORCPT ); Mon, 25 Jun 2012 16:33:34 -0400 Message-ID: <4FE8CB1A.2010309@profihost.ag> Date: Mon, 25 Jun 2012 22:33:30 +0200 From: Stefan Priebe MIME-Version: 1.0 To: Josef Bacik CC: "linux-btrfs@vger.kernel.org" Subject: Re: btrfs deadlock in 3.5-rc3 References: <4FE870DF.90308@profihost.ag> <20120625142048.GB7404@localhost.localdomain> <4FE8796E.9030300@profihost.ag> <20120625144807.GC7404@localhost.localdomain> <4FE8A21E.7050104@profihost.ag> <20120625180252.GD7404@localhost.localdomain> <4FE8ADBA.20505@profihost.ag> <4FE8BCF5.4080605@profihost.ag> <20120625201151.GG7404@localhost.localdomain> <4FE8C80F.2040009@profihost.ag> <20120625202310.GH7404@localhost.localdomain> In-Reply-To: <20120625202310.GH7404@localhost.localdomain> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: Am 25.06.2012 22:23, schrieb Josef Bacik: > On Mon, Jun 25, 2012 at 02:20:31PM -0600, Stefan Priebe wrote: >> Am 25.06.2012 22:11, schrieb Josef Bacik: >>> On Mon, Jun 25, 2012 at 01:33:09PM -0600, Stefan Priebe wrote: >>>> With v3.4 the same. Can't go back more as this really results in very >>>> fast corruption. Any ideas how to debug? >>>> >>> >>> What workload are you running? I have a ssd here with discard support I can try >>> and reproduce on. Thanks, >> >> i'm using fio with 50 jobs and randwrite of 4k blocks in ceph but i >> don't know which load ceph then exactly generates. ;-( >> > > Thats fine, I have this handy "create a local ceph cluster" script from an > earlier problem, just send me your fio job and I'll run it locally. Thanks, OK my fio job is running in a KVM using a RBD: fio --filename=$DISK --direct=1 --rw=randwrite --bs=4k --size=200G --numjobs=50 --runtime=300 --group_reporting --name=file1 Backed by 3 server with 4 OSDs (all intel SSDs) each running btrfs on top. THANKS! Greets Stefan