From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753161AbeARCeF (ORCPT ); Wed, 17 Jan 2018 21:34:05 -0500 Received: from mga09.intel.com ([134.134.136.24]:40713 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752320AbeARCeE (ORCPT ); Wed, 17 Jan 2018 21:34:04 -0500 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,375,1511856000"; d="scan'208";a="196482759" Date: Wed, 17 Jan 2018 19:37:20 -0700 From: Keith Busch To: Thomas Gleixner Cc: LKML Subject: Re: [BUG 4.15-rc7] IRQ matrix management errors Message-ID: <20180118023720.GE7562@localhost.localdomain> References: <20180116071145.GA5643@localhost.localdomain> <20180117022511.GD6259@localhost.localdomain> <20180117075500.GB7562@localhost.localdomain> <20180117142440.GC7562@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.1 (2017-09-22) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 17, 2018 at 04:01:47PM +0100, Thomas Gleixner wrote: > Which device is allocating gazillions of non-managed interrupts? I believe that would be the i40e. :) > The patch below should cure that by spreading them out on allocation. Yep, this is successfully testing already over 200 iterations that used to fail within only a few. I'd say the problem is cured. Thanks! Tested-by: Keith Busch