From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762069AbXGYDpC (ORCPT ); Tue, 24 Jul 2007 23:45:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757011AbXGYDow (ORCPT ); Tue, 24 Jul 2007 23:44:52 -0400 Received: from smtp109.mail.mud.yahoo.com ([209.191.85.219]:37441 "HELO smtp109.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755994AbXGYDow (ORCPT ); Tue, 24 Jul 2007 23:44:52 -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=IPwB1/bHMJSB7RlcIgCvoQ1ijUKVe8DLhcD/3eLrDr9vm+zANftmBk5b5zC3m+g7FD5CaNwhGRt4Zs02GL8LOrsrdnHvecq9WGA1T/JjeAgYC30xYXtpN1lCVgL9cWxbHCx8mC/LTFdxnTg+5EzJq7r0EEh2OjQ8L0/cF2/fGpo= ; X-YMail-OSG: GkPcvu8VM1mD1Mby7oqErVcVd8JY9xSJKVd8ZaipnxW6s_mZ Message-ID: <46A6C72A.9020801@yahoo.com.au> Date: Wed, 25 Jul 2007 13:44:42 +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: Bret Towe CC: linux-kernel@vger.kernel.org Subject: Re: 2.6.23-rc1 regression: mm: fix fault vs invalidate race for linear mappings References: In-Reply-To: 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 Bret Towe wrote: > for a while in -git I've had an issue that on boot when gdm loads the > screen stays black > using ctrl-f1 doesn't return to a console and killing X doesn't help any > ssh'ing into the box does work top only shows 100% io-wait > dmesg shows nothing odd > > the work around I have is at the moment is to just move the radeon drm > module > out of the way so it doesn't load on boot and X works just fine like that > I did some bisecting which took a few days and tracked it down to > commit d00806b183152af6d24f46f0c33f14162ca1262a > > its way to complex for me to revert it on top of -rc1 to verify that's > the issue tho > I keep forgetting to get a trace of what its waiting on when I'm in that > kernel > I assume that would be of use and Ill get that later > > the box this is happening on is a g4 mac mini the built in card is a > radeon 9200 > I'm not seeing any issues on an amd64 box with radeon card it's also a > 9600 tho 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? Thanks, Nick -- SUSE Labs, Novell Inc.