From mboxrd@z Thu Jan 1 00:00:00 1970 From: "J. Bruce Fields" Subject: Re: NFS client hang on attempt to do async blocking posix lock enqueue Date: Thu, 7 Feb 2008 18:26:18 -0500 Message-ID: <20080207232618.GF25374@fieldses.org> References: <20071129191532.GB17907@fieldses.org> <20080118230734.GE9754@fieldses.org> <34969391-0221-4AB3-99CE-ACC1817AD355@Sun.COM> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Marc Eshel , linux-fsdevel@vger.kernel.org, Manoj Naik , richterd@citi.umich.edu To: Oleg Drokin Return-path: Received: from pie.citi.umich.edu ([141.211.133.115]:54635 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932135AbYBGX0W (ORCPT ); Thu, 7 Feb 2008 18:26:22 -0500 Content-Disposition: inline In-Reply-To: <34969391-0221-4AB3-99CE-ACC1817AD355@Sun.COM> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Sun, Jan 20, 2008 at 09:58:59AM -0500, Oleg Drokin wrote: > Hello! > > On Jan 18, 2008, at 6:07 PM, J. Bruce Fields wrote: > >> On Thu, Nov 29, 2007 at 02:41:57PM -0800, Marc Eshel wrote: >>> The problem seems to be with the fact that the client and server are >>> on >>> the same machine. This test work fine with or without an underlaying >>> fs >>> that supports locking when the client and the server are on a >>> different >>> machines. Like you said the server is trying to send the grant >>> message to >>> the client but for some reason it fails when the client is on the >>> same >>> machine. >> That *shouldn't* make a difference, so we need to take another look at >> this--Oleg, this problem is still unfixed, right? > > Yes, I just pulled your latest nfs tree and I still can reproduce the > problem. OK, we have finally reproduced this problem here, and David's working on debugging. It does indeed seem to only be reproduceable with client and server on the same machine. Thanks for the report.... --b.