From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bruce Richardson Subject: Re: Ports not detected by IGB_UIO in DPDK 1.7.1 in QEMU_KVM environment Date: Wed, 12 Nov 2014 14:12:12 +0000 Message-ID: <20141112141211.GA6688@bricha3-MOBL3> References: <20141105101246.GA9856@bricha3-MOBL3> <20141107153053.GA10376@bricha3-MOBL3> <20141110105802.GA7036@bricha3-MOBL3> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: dev-VfR2kkLFssw@public.gmane.org To: Manoj Viswanath Return-path: Content-Disposition: inline In-Reply-To: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" On Tue, Nov 11, 2014 at 07:18:32PM +0530, Manoj Viswanath wrote: > Bruce, > > Thanks for the input. > Sure, will figure out the offending file behind this error and update this > thread. > > Meanwhile, wanted to share one more observation regarding this issue: > The "file descriptor error" is NOT SEEN with DPDK 1.7.0 (dpdk-1.7.0.tar.gz > ) when explicitly > binding NICs to IGB_UIO using the .py script. > > The issue is only seen when using DPDK 1.7.1 ( dpdk-1.7.1.tar.gz > ). I hope the > version i am using is the last official tag in the 1.7.x tree. > Given that it's narrowed down to a change between 1.7.0 and 1.7.1 would it also be possible for you to use git bisect to track down the commit that introduces the error? /Bruce