From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shaohua Li Subject: Re: RAID6 - CPU At 100% Usage After Reassembly Date: Thu, 6 Oct 2016 16:55:30 -0700 Message-ID: <20161006235530.GA109312@kernel.org> References: <20160913174352.GA43576@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Francisco Parada Cc: mdraid List-Id: linux-raid.ids On Wed, Oct 05, 2016 at 07:12:59AM -0400, Francisco Parada wrote: > Hi all, > > Just wanted to send one last ping on this. I didn't hear back and > really don't know where else to turn to before abandoning hope. > Should I just start wiping the drives so I can start from scratch at > this point? > > I rebuilt the kernel with debug patch that Shaohua provided and I sent > the list the output of the trace. Does any one have any other > suggestions? Sorry for the long delay. I got a chance to look at the log today. Looks it shows there are read errors in two disks and the raid6 thread is keeping loop to handle the case, but doesn't success. The disks are sdd and sdg. I have no idea how to fix this so far though, sorry. Thanks, Shaohua