Return-Path: Received: from aserp1040.oracle.com ([141.146.126.69]:23111 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751995AbdFQRX6 (ORCPT ); Sat, 17 Jun 2017 13:23:58 -0400 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Subject: Re: [PATCH v2 19/19] sunrpc: Disable splice for krb5i From: Chuck Lever In-Reply-To: <20170617150705.GA27917@infradead.org> Date: Sat, 17 Jun 2017 13:23:24 -0400 Cc: linux-rdma@vger.kernel.org, Linux NFS Mailing List Message-Id: References: <20170616151535.14210.34926.stgit@klimt.1015granger.net> <20170616152254.14210.48071.stgit@klimt.1015granger.net> <20170617150705.GA27917@infradead.org> To: Christoph Hellwig Sender: linux-nfs-owner@vger.kernel.org List-ID: > On Jun 17, 2017, at 11:07 AM, Christoph Hellwig wrote: > > On Fri, Jun 16, 2017 at 11:22:54AM -0400, Chuck Lever wrote: >> Running a multi-threaded 8KB fio test (70/30 mix), three or four out >> of twelve of the jobs fail when using krb5i. The failure is an EIO >> on a read. > > Just curious: what is the backing fs that you tested with? I'd be > curious if you see this on XFS for example. I was able to reproduce this with a tmpfs share and with an XFS share on NVMe LUNs. -- Chuck Lever