From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753581AbXGYFnZ (ORCPT ); Wed, 25 Jul 2007 01:43:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752416AbXGYFnP (ORCPT ); Wed, 25 Jul 2007 01:43:15 -0400 Received: from smtp106.mail.mud.yahoo.com ([209.191.85.216]:23718 "HELO smtp106.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751512AbXGYFnO (ORCPT ); Wed, 25 Jul 2007 01:43:14 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.au; h=Received:X-YMail-OSG:Message-ID:Date:From:User-Agent:X-Accept-Language:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=5eOb0yEdTbzv1mCbmrL+IY2G7rdkz7oznXzStDfGCTOE2qzMzGo/VHCQaNAZgPTgHyG3w6+NAc7hA069AQxMsyjCBNxqtX4QA7yxaTmzhRXOkNZ6F2foltYPRYzIJNNOIMxeZtwsxuCyt3EVOF/D6ygmZqRU/S5TDmbXhybNkUw= ; X-YMail-OSG: lpmCvSsVM1mo194_EoBDCy2zl_wTyfVx2kEv2jWAF_R8FBXi Message-ID: <46A6E2EE.4040207@yahoo.com.au> Date: Wed, 25 Jul 2007 15:43:10 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20051007 Debian/1.7.12-1 X-Accept-Language: en MIME-Version: 1.0 To: Dave Airlie CC: Bret Towe , linux-kernel@vger.kernel.org Subject: Re: 2.6.23-rc1 regression: mm: fix fault vs invalidate race for linear mappings References: <46A6C72A.9020801@yahoo.com.au> <21d7e9970707242137x51ca8a64wadfb06c7b543af38@mail.gmail.com> In-Reply-To: <21d7e9970707242137x51ca8a64wadfb06c7b543af38@mail.gmail.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Dave Airlie wrote: >> >> Is this with a binary-only module? We saw an issue with that in SLES9 >> where the module is returning a locked page from its nopage handler >> when it isn't really supposed to. It might be fixed in latest drivers, >> have you tried them? > > > Doesn't sound like it he mentions radeon drm module which is open... OK. Well from the task trace, X is getting stuck on a locked page. And as it is never getting unlocked, I'd be almost positive it comes from a driver's nopage. I know some ATI driver did that in the past. Would the radeon drm module do anything similar? -- SUSE Labs, Novell Inc.