From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161323AbXDKWrT (ORCPT ); Wed, 11 Apr 2007 18:47:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161333AbXDKWrT (ORCPT ); Wed, 11 Apr 2007 18:47:19 -0400 Received: from mx.pathscale.com ([198.186.3.68]:52412 "EHLO mx.pathscale.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161323AbXDKWrT (ORCPT ); Wed, 11 Apr 2007 18:47:19 -0400 Message-ID: <461D6593.1050009@pathscale.com> Date: Wed, 11 Apr 2007 15:47:47 -0700 From: Robert Walsh User-Agent: Thunderbird 2.0.0.0 (Macintosh/20070326) MIME-Version: 1.0 To: Roland Dreier Cc: "Bryan O'Sullivan" , openib-general@openfabrics.org, linux-kernel@vger.kernel.org Subject: Re: [ofa-general] Re: [PATCH 00 of 33] Set of ipath patches for 2.6.22 References: <461D600E.4070709@pathscale.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Roland Dreier wrote: > > BTW: any idea how this ever got triggered? The only way I can see is > > if you're either not using libipathverbs and libibverbs and you just > > create the CQ some other way, which seems unlikely. Do you know how > > Jason triggered this bug? > > Yes, it was because he was using 32-bit userspace and so it was > impossible to libipathverbs to mmap the address the kernel driver was > looking for. So the mmap failed and the pending mmap never got taken > off the list. Oh, OK. Got it. That problem is on my list, too, along with the other pending_mmap-related cleanups you suggested. Hopefully I'll have a patch finished tonight.