From mboxrd@z Thu Jan 1 00:00:00 1970 From: keith.busch@intel.com (Keith Busch) Date: Wed, 3 Jun 2015 21:37:52 +0000 (UTC) Subject: Problems writing to intel P3700 NVMe drive In-Reply-To: References: <00c601d098cd$41255e30$c3701a90$@storageio.com> <00cd01d098d1$94047010$bc0d5030$@storageio.com> <000a01d098ee$b52ce0c0$1f86a240$@storageio.com> Message-ID: On Wed, 3 Jun 2015, Bjorn Helgaas wrote: > On Wed, Jun 3, 2015@3:10 PM, Keith Busch wrote: >> A while back, there were a few proposals on changing the pci driver's >> default MPS tuning from the existing do-nothing policy to something >> safe so end-users don't need to remember kernel parameters as described >> below. Is this still active, or can we kick that back to life if not? > > I'd love to see some activity there. Somebody else asked me about > this a few weeks ago, and I sent him this list of some of the things I > think are wrong with the current situation: Thanks for the update. I got in contact with some comrades already working on this, so we'll post an updated proposal when it's ready. This feature is getting more attention with broader hot plug pci-e storage usage (among other reasons), so I'm sure we'll give this its due consideration this time. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com ([134.134.136.20]:19642 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753966AbbFCViJ (ORCPT ); Wed, 3 Jun 2015 17:38:09 -0400 Date: Wed, 3 Jun 2015 21:37:52 +0000 (UTC) From: Keith Busch To: Bjorn Helgaas cc: Keith Busch , Pavilion Storage , linux-nvme , "linux-pci@vger.kernel.org" Subject: Re: Problems writing to intel P3700 NVMe drive In-Reply-To: Message-ID: References: <00c601d098cd$41255e30$c3701a90$@storageio.com> <00cd01d098d1$94047010$bc0d5030$@storageio.com> <000a01d098ee$b52ce0c0$1f86a240$@storageio.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-pci-owner@vger.kernel.org List-ID: On Wed, 3 Jun 2015, Bjorn Helgaas wrote: > On Wed, Jun 3, 2015 at 3:10 PM, Keith Busch wrote: >> A while back, there were a few proposals on changing the pci driver's >> default MPS tuning from the existing do-nothing policy to something >> safe so end-users don't need to remember kernel parameters as described >> below. Is this still active, or can we kick that back to life if not? > > I'd love to see some activity there. Somebody else asked me about > this a few weeks ago, and I sent him this list of some of the things I > think are wrong with the current situation: Thanks for the update. I got in contact with some comrades already working on this, so we'll post an updated proposal when it's ready. This feature is getting more attention with broader hot plug pci-e storage usage (among other reasons), so I'm sure we'll give this its due consideration this time.