From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with ESMTP id B81806B004F for ; Sat, 3 Dec 2011 20:02:05 -0500 (EST) Date: Sun, 4 Dec 2011 02:02:00 +0100 From: Markus Trippelsdorf Subject: Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413 Message-ID: <20111204010200.GA1530@x4.trippels.de> References: <1321884966.10470.2.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <20111121153621.GA1678@x4.trippels.de> <20111123160353.GA1673@x4.trippels.de> <20111124085040.GA1677@x4.trippels.de> <20111202230412.GB12057@homer.localdomain> <20111203092845.GA1520@x4.trippels.de> <20111203122900.GA1617@x4.trippels.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Jerome Glisse Cc: Dave Airlie , Christoph Lameter , "Alex, Shi" , Eric Dumazet , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , dri-devel@lists.freedesktop.org, Pekka Enberg , "linux-mm@kvack.org" , Matt Mackall , tj@kernel.org, Alex Deucher On 2011.12.03 at 14:31 -0500, Jerome Glisse wrote: > On Sat, Dec 3, 2011 at 7:29 AM, Markus Trippelsdorf > wrote: > > On 2011.12.03 at 12:20 +0000, Dave Airlie wrote: > >> >> > > > > FIX idr_layer_cache: Marking all objects used > >> >> > > > > >> >> > > > Yesterday I couldn't reproduce the issue at all. But today I've hit > >> >> > > > exactly the same spot again. (CCing the drm list) > >> > >> If I had to guess it looks like 0 is getting written back to some > >> random page by the GPU maybe, it could be that the GPU is in some half > >> setup state at boot or on a reboot does it happen from a cold boot or > >> just warm boot or kexec? > > > > Only happened with kexec thus far. Cold boot seems to be fine. > > > > -- > > Markus > > Can you add radeon.no_wb=1 to your kexec kernel paramater an see if > you can reproduce. No, I cannot reproduce the issue with radeon.no_wb=1. (I write this after 700 successful kexec iterations...) -- Markus -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org