Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756298Ab1DRSVX (ORCPT ); Mon, 18 Apr 2011 14:21:23 -0400 Received: from mail-vx0-f174.google.com ([209.85.220.174]:62611 "EHLO mail-vx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754761Ab1DRSVW (ORCPT ); Mon, 18 Apr 2011 14:21:22 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type; b=p0RSPUFc1locMXTIkEQe9yDhnwGcwfng/yMmeyX5klvXgdTjtbdL65rZgPcAfHLQxP SMk42PlG84zAQoEfnmTktl/koD9vU/7XuW8nVJYcqR6ASbVrxiQM+U/JRqeOp2mdmcUa 0KVBqL1KIoKlF+CDYKubiBvOqH3oSw2YKVzyI= MIME-Version: 1.0 In-Reply-To: <4DAC2429.5000105@fusionio.com> References: <_H4l51C1wXN.A.yDC.yGuqNB@chimera> <4DAC2429.5000105@fusionio.com> From: Bart Van Assche Date: Mon, 18 Apr 2011 20:21:00 +0200 X-Google-Sender-Auth: U2kK0jcBS7PQ041Ckmico78XZfY Message-ID: Subject: Re: [Bug #32982] Kernel locks up a few minutes after boot To: Jens Axboe Cc: Linus Torvalds , "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , Florian Mickler , Neil Brown Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 845 Lines: 20 On Mon, Apr 18, 2011 at 1:44 PM, Jens Axboe wrote: > Bart, can you try and pull: > > git://git.kernel.dk/linux-2.6-block.git for-linus > > into Linus' tree and see if that works? This has, among other things, > Neils fixes for MD. md seems to work stable with the resulting tree, but it looks there is a performance regression in the block layer not related to the md issue. If I run a small block IOPS test on a block device created by ib_srp (NOOP scheduler) I see about 11% less IOPS than with 2.6.38.3 (155.000 IOPS with 2.6.38.3 and 140.000 IOPS with 2.6.39-rc3+). Bart. -- 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/