From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx2.suse.de ([195.135.220.15]:45883 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756793AbcDGRdI (ORCPT ); Thu, 7 Apr 2016 13:33:08 -0400 Date: Thu, 7 Apr 2016 10:33:05 -0700 From: Mark Fasheh To: Qu Wenruo Cc: linux-btrfs@vger.kernel.org Subject: Re: [PATCH] btrfs: qgroup: Fix qgroup accounting when creating snapshot Message-ID: <20160407173305.GJ2187@wotan.suse.de> Reply-To: Mark Fasheh References: <1459908294-11200-1-git-send-email-quwenruo@cn.fujitsu.com> <20160407024337.GI2187@wotan.suse.de> <570618A1.2080609@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <570618A1.2080609@cn.fujitsu.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Thu, Apr 07, 2016 at 04:21:53PM +0800, Qu Wenruo wrote: > I ran into one soft lockup with my patch only. So I assume it's not > caused by your inherit patch though. > But I didn't reproduce it once more. Not sure why. > > What's the reproduce rate in your environment? It happens every time for me. Just wait about 30 seconds or so (my guess is to let a transaction commit kick in). Also I can force the issue to show up if I unmount. --Mark -- Mark Fasheh