Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756762Ab3EHAaa (ORCPT ); Tue, 7 May 2013 20:30:30 -0400 Received: from mho-03-ewr.mailhop.org ([204.13.248.66]:37499 "EHLO mho-01-ewr.mailhop.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752725Ab3EHAa3 (ORCPT ); Tue, 7 May 2013 20:30:29 -0400 X-Mail-Handler: Dyn Standard SMTP by Dyn X-Originating-IP: 50.131.214.131 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX1+SirwpfEVCygeEx7Gm9WL2 Date: Tue, 7 May 2013 17:30:23 -0700 From: Tony Lindgren To: Pekka Enberg Cc: Linus Torvalds , Andrew Morton , Christoph Lameter , linux-kernel@vger.kernel.org Subject: Re: [GIT PULL] SLAB changes for v3.10 Message-ID: <20130508003022.GS28721@atomide.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2856 Lines: 57 * Pekka Enberg [130506 23:42]: > Hi Linus, > > Please pull the latest SLAB tree from: > > git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux.git slab/for-linus ... > mm, slab_common: Fix bootstrap creation of kmalloc caches This one seems to cause a regression for me on at least arm omap and vexpress that depends on some kconfig option I have not been able to figure out yet. Reverting 8a965b3b fixes the issue. Any ideas? Regards, Tony Without reverting 8a965b3b I'm getting: [ 0.000000] Unable to handle kernel NULL pointer dereference at virtual address 00000054 [ 0.000000] pgd = c0004000 [ 0.000000] [00000054] *pgd=00000000 [ 0.000000] Internal error: Oops: 5 [#1] SMP ARM [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.9.0-11486-g6d13e11 #689 [ 0.000000] task: c06f77c8 ti: c06ec000 task.ti: c06ec000 [ 0.000000] PC is at kmem_cache_alloc_trace+0x50/0x178 [ 0.000000] LR is at kmem_cache_alloc_trace+0x38/0x178 [ 0.000000] pc : [] lr : [] psr: 600001d3 [ 0.000000] sp : c06edf70 ip : 600001d3 fp : 00000000 [ 0.000000] r10: 000000c0 r9 : c0086958 r8 : 000080d0 [ 0.000000] r7 : 00000000 r6 : 600001d3 r5 : 00000000 r4 : 00008000 [ 0.000000] r3 : 00000050 r2 : c06ec000 r1 : c06f77c8 r0 : c00eda9c [ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel [ 0.000000] Control: 10c5387d Table: 6000406a DAC: 00000015 [ 0.000000] Process swapper/0 (pid: 0, stack limit = 0xc06ec240) [ 0.000000] Stack: (0xc06edf70 to 0xc06ee000) [ 0.000000] df60: 00002014 00000010 c0702890 00000000 [ 0.000000] df80: 00000000 00000000 00000000 410fc090 c06f4480 c0086958 c0702890 00000000 [ 0.000000] dfa0: 00000010 c06dc0b0 ffffffff c06b44f4 9fffffff c073834c c0738340 c06a5828 [ 0.000000] dfc0: ffffffff ffffffff c06a5478 00000000 00000000 c06dc0b0 00000000 10c5387d [ 0.000000] dfe0: c06f44c8 c06dc4b4 c06f8cac 6000406a 00000000 60008074 00000000 00000000 [ 0.000000] [] (kmem_cache_alloc_trace+0x50/0x178) from [] (alloc_desc+0x24/0xb4) [ 0.000000] [] (alloc_desc+0x24/0xb4) from [] (early_irq_init+0x78/0xec) [ 0.000000] [] (early_irq_init+0x78/0xec) from [] (start_kernel+0x17c/0x33c) [ 0.000000] [] (start_kernel+0x17c/0x33c) from [<60008074>] (0x60008074) [ 0.000000] Code: e5923014 e2833014 e1a03103 e0873003 (e5931004) [ 0.000000] ---[ end trace 1b75b31a2719ed1c ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/