From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with SMTP id DC7FB8D003B for ; Tue, 19 Apr 2011 13:12:52 -0400 (EDT) Date: Tue, 19 Apr 2011 12:12:48 -0500 (CDT) From: Christoph Lameter Subject: Re: [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards In-Reply-To: Message-ID: References: <20110415135144.GE8828@tiehlicka.suse.cz> <20110418100131.GD8925@tiehlicka.suse.cz> <20110418135637.5baac204.akpm@linux-foundation.org> <20110419111004.GE21689@tiehlicka.suse.cz> <1303228009.3171.18.camel@mulgrave.site> MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="-1463811839-755122748-1303233170=:17888" Sender: owner-linux-mm@kvack.org List-ID: To: Pekka Enberg Cc: James Bottomley , Michal Hocko , Andrew Morton , Hugh Dickins , linux-mm@kvack.org, LKML , linux-parisc@vger.kernel.org, David Rientjes This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. ---1463811839-755122748-1303233170=:17888 Content-Type: TEXT/PLAIN; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE On Tue, 19 Apr 2011, Pekka Enberg wrote: > On Tue, Apr 19, 2011 at 6:46 PM, James Bottomley > wrote: > > It compiles OK, but crashes on boot in fsck. =A0The crash is definitely= mm > > but looks to be a slab problem (it's a null deref on a spinlock in > > add_partial(), which seems unrelated to this patch). That means that the per node structures have not been setup yet. Node hotplug not working? > > It seems to be a random intermittent mm crash because the next reboot > > crashed with the same trace but after the fsck had completed and the > > third came up to the login prompt. > > Looks like a genuine SLUB problem on parisc. Christoph? Race between node hotplug and use of the slab on that node? ---1463811839-755122748-1303233170=:17888-- -- 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