Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756401Ab1CHU1c (ORCPT ); Tue, 8 Mar 2011 15:27:32 -0500 Received: from mx2.fusionio.com ([64.244.102.31]:60329 "EHLO mx2.fusionio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752257Ab1CHU1b (ORCPT ); Tue, 8 Mar 2011 15:27:31 -0500 X-ASG-Debug-ID: 1299616049-01de284cf829880001-xx1T2L X-Barracuda-Envelope-From: JAxboe@fusionio.com Message-ID: <4D76912C.9040705@fusionio.com> Date: Tue, 8 Mar 2011 21:27:24 +0100 From: Jens Axboe MIME-Version: 1.0 To: Mike Snitzer CC: "linux-kernel@vger.kernel.org" , "hch@infradead.org" Subject: Re: [PATCH 05/10] block: remove per-queue plugging References: <1295659049-2688-1-git-send-email-jaxboe@fusionio.com> <1295659049-2688-6-git-send-email-jaxboe@fusionio.com> <20110303221353.GA10366@redhat.com> <4D761E0D.8050200@fusionio.com> <20110308202100.GA31744@redhat.com> X-ASG-Orig-Subj: Re: [PATCH 05/10] block: remove per-queue plugging In-Reply-To: <20110308202100.GA31744@redhat.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Barracuda-Connect: mail1.int.fusionio.com[10.101.1.21] X-Barracuda-Start-Time: 1299616049 X-Barracuda-URL: http://10.101.1.181:8000/cgi-mod/mark.cgi X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=9.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.2.57437 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1025 Lines: 27 On 2011-03-08 21:21, Mike Snitzer wrote: > On Tue, Mar 08 2011 at 7:16am -0500, > Jens Axboe wrote: > >> On 2011-03-03 23:13, Mike Snitzer wrote: >>> I'm now hitting a lockdep issue, while running a 'for-2.6.39/stack-plug' >>> kernel, when I try an fsync heavy workload to a request-based mpath >>> device (the kernel ultimately goes down in flames, I've yet to look at >>> the crashdump I took) >> >> Mike, can you re-run with the current stack-plug branch? I've fixed the >> !CONFIG_BLOCK and rebase issues, and also added a change for this flush >> on schedule event. It's run outside of the runqueue lock now, so >> hopefully that should solve this one. > > Works for me, thanks. Super, thanks! Out of curiousity, did you use dm/md? -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/