From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756866Ab2CIOyT (ORCPT ); Fri, 9 Mar 2012 09:54:19 -0500 Received: from twin.jikos.cz ([89.185.236.188]:45916 "EHLO twin.jikos.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754464Ab2CIOyS (ORCPT ); Fri, 9 Mar 2012 09:54:18 -0500 Date: Fri, 9 Mar 2012 15:54:06 +0100 From: David Sterba To: Jacek Luczak Cc: dave@jikos.cz, Liu Bo , linux-btrfs , LKML , josef@redhat.com Subject: Re: kernel BUG at fs/btrfs/delayed-inode.c:1466! Message-ID: <20120309145406.GL4334@twin.jikos.cz> Reply-To: dave@jikos.cz Mail-Followup-To: Jacek Luczak , dave@jikos.cz, Liu Bo , linux-btrfs , LKML , josef@redhat.com References: <20120308155211.GF4334@twin.jikos.cz> <4F595D6D.6080809@cn.fujitsu.com> <20120309105537.GG4334@twin.jikos.cz> <20120309114010.GH4334@twin.jikos.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 09, 2012 at 03:33:24PM +0100, Jacek Luczak wrote: > > Those two issues go inline. After a longer while of WARN_ON the BUG_ON > > hit again. > > One more observation. Host is running builds from CI system. After > BUG_ON pop up all builds take 50% more time to complete. After a BUG_ON the system is in an inconsistent state and will misbehave. > Also I see that current load average stall at value of 7 even if host > is completely idle. That's probably because some process is stuck in a D-state after the crash. david