From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx137.postini.com [74.125.245.137]) by kanga.kvack.org (Postfix) with SMTP id 8F92E6B0085 for ; Thu, 1 Nov 2012 17:18:54 -0400 (EDT) Received: by mail-ia0-f169.google.com with SMTP id h37so2764563iak.14 for ; Thu, 01 Nov 2012 14:18:53 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <0000013abdc90c92-f1c89a3b-326e-4b93-b77f-88bed6184015-000000@email.amazonses.com> References: <0000013a934eed6d-a9c1b247-dbbc-485d-b7cf-89aa36dcca57-000000@email.amazonses.com> <0000013abda5ae3c-f1f548fb-4878-4ae2-8f5a-bfad5922cf04-000000@email.amazonses.com> <0000013abdc90c92-f1c89a3b-326e-4b93-b77f-88bed6184015-000000@email.amazonses.com> Date: Thu, 1 Nov 2012 18:18:53 -0300 Message-ID: Subject: Re: CK4 [00/15] Sl[auo]b: Common kmalloc caches V4 From: Ezequiel Garcia Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: Pekka Enberg , Joonsoo Kim , Glauber Costa , linux-mm@kvack.org, David Rientjes On Thu, Nov 1, 2012 at 6:03 PM, Christoph Lameter wrote: > On Thu, 1 Nov 2012, Ezequiel Garcia wrote: > >> On Thu, Nov 1, 2012 at 5:24 PM, Christoph Lameter wrote: >> > On Thu, 1 Nov 2012, Ezequiel Garcia wrote: >> > >> >> While testing this patchset, I found a BUG. >> >> >> >> All I did was "sudo mount -a" to mount my development partitions. >> >> >> >> [ 25.366266] BUG: unable to handle kernel paging request at ffffffc0 >> >> [ 25.366419] IP: [] slab_unmergeable+0x12/0x30 >> > >> > Arg. More sysfs trouble I guess. Sysfs is the cause for a lot of slub >> > fragility. Sigh. >> > >> > Can you rerun this with "slub_debug" as a kernel option? >> >> I will. >> >> Also I will test *without* a few patches I was playing around with... >> I should have done that before reporting :/ >> Until then, please consider this noise, just in case. > > Well found it. The create common boot functions patch (#2) did a list add > of a structure that was moved later during slub bootstrap. Fix will come > wiht V5. > > Okey, great. Feel free to drop me a patch to test a fix. Ezequiel -- 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/ . Don't email: email@kvack.org