Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752006AbWCPCzr (ORCPT ); Wed, 15 Mar 2006 21:55:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752010AbWCPCzr (ORCPT ); Wed, 15 Mar 2006 21:55:47 -0500 Received: from mx.pathscale.com ([64.160.42.68]:24453 "EHLO mx.pathscale.com") by vger.kernel.org with ESMTP id S1752006AbWCPCzq (ORCPT ); Wed, 15 Mar 2006 21:55:46 -0500 Subject: Re: [PATCH 10 of 20] ipath - support for userspace apps using core driver From: "Bryan O'Sullivan" To: Roland Dreier Cc: Andrew Morton , Linus Torvalds , Christoph Hellwig , linux-kernel@vger.kernel.org In-Reply-To: <1142477579.6994.124.camel@localhost.localdomain> References: <71644dd19420ddb07a75.1141922823@localhost.localdomain> <1141948516.10693.55.camel@serpentine.pathscale.com> <1141949262.10693.69.camel@serpentine.pathscale.com> <20060309163740.0b589ea4.akpm@osdl.org> <1142470579.6994.78.camel@localhost.localdomain> <1142475069.6994.114.camel@localhost.localdomain> <1142477579.6994.124.camel@localhost.localdomain> Content-Type: text/plain Date: Wed, 15 Mar 2006 18:56:13 -0800 Message-Id: <1142477774.6994.127.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.5.90 (2.5.90-2.1) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 610 Lines: 16 On Wed, 2006-03-15 at 18:53 -0800, Bryan O'Sullivan wrote: > This is what it looks like when I always call get_page in my nopage > handler (after checking that the pfn is valid and pfn_to_page hasn't > given me junk). Ugh - I clicked on send too soon. I think my next step will be to figure out which vma is being cleaned up when this problem occurs first.