Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751861AbaBMUCC (ORCPT ); Thu, 13 Feb 2014 15:02:02 -0500 Received: from trent.utfs.org ([94.185.90.103]:42281 "EHLO trent.utfs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750892AbaBMUB7 (ORCPT ); Thu, 13 Feb 2014 15:01:59 -0500 Date: Thu, 13 Feb 2014 12:01:56 -0800 (PST) From: Christian Kujau To: LKML , xfs@oss.sgi.com cc: linux-mm@kvack.org Subject: Re: 3.14.0-rc2: WARNING: at mm/slub.c:1007 In-Reply-To: Message-ID: References: User-Agent: Alpine 2.19.4 (DEB 40 2013-11-18) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-AV-Checked: ClamAV using ClamSMTP (127.0.0.1) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 13 Feb 2014 at 11:53, Christian Kujau wrote: > after upgrading from 3.13-rc8 to 3.14.0-rc2 on this PowerPC G4 machine, > the WARNING below was printed. > > Shortly after, a lockdep warning appeared (possibly related to my > post to the XFS list yesterday[0]). Sigh, only _after_ sending the email, I came across an earlier posting on lkml: http://marc.info/?l=linux-mm&m=139145788623391 Sorry for the noise. These out-of-memory messages below appeared without the WARNING though and started somewhere in 3.13, but are impossible to bisect, as they're happening only every few days / weeks. Christian. > Even later in the log an out-of-memory error appeared, that may or may not > be relatd to that WARNING at all but which I'm trying to chase down ever > since 3.13, but which tends to appear more often lately. > > Can anyone take a look if this is something to worry about? > > Full dmesg & .config: http://nerdbynature.de/bits/3.14-rc2/mm/ > > Thanks, > Christian. > > [0] http://oss.sgi.com/pipermail/xfs/2014-February/034054.html > > ------------[ cut here ]------------ > WARNING: at /usr/local/src/linux-git/mm/slub.c:1007 > Modules linked in: md5 ecb nfs i2c_powermac therm_adt746x ecryptfs arc4 > firewire_sbp2 b43 usb_storage mac80211 cfg80211 > CPU: 0 PID: 9025 Comm: nfsd Not tainted 3.14.0-rc2 #1 > task: efbf8000 ti: ed2a0000 task.ti: ed2a0000 > NIP: c00ccc28 LR: c00ccc20 CTR: 00000000 > REGS: ed2a1980 TRAP: 0700 Not tainted (3.14.0-rc2) > MSR: 00021032 CR: 22f82b82 XER: 20000000 > > GPR00: c00ccc20 ed2a1a30 efbf8000 00000000 ef96e550 00000000 00000000 > 00002ce0 > GPR08: 00000000 00000001 efbf86f8 000005e7 82fc2b88 00000000 00000001 > 00080011 > GPR16: 00000000 00000000 c0760000 00000000 ef96e564 00100100 00200200 > c1203914 > GPR24: 00000000 ef96e540 00000002 ef96fa80 00000000 00000000 ed2a0000 > c1203900 > NIP [c00ccc28] deactivate_slab+0x4c0/0x538 > LR [c00ccc20] deactivate_slab+0x4b8/0x538 > Call Trace: > [ed2a1a30] [c00ccc20] deactivate_slab+0x4b8/0x538 (unreliable) > [ed2a1ae0] [c055d5f0] __slab_alloc.constprop.77+0x260/0x38c > [ed2a1b50] [c00cd524] kmem_cache_alloc+0x118/0x140 > [ed2a1b70] [c01de4bc] kmem_zone_alloc+0x94/0x108 > [ed2a1ba0] [c01cccd4] xfs_inode_alloc+0x2c/0xd4 > [ed2a1bc0] [c01cd7a4] xfs_iget+0x2e4/0x584 > [ed2a1c30] [c020e664] xfs_lookup+0xc8/0xe4 > [ed2a1c70] [c01d3c28] xfs_vn_lookup+0x64/0xbc > [ed2a1c90] [c00db3ac] lookup_real+0x30/0x70 > [ed2a1ca0] [c00dc384] __lookup_hash+0x3c/0x58 > [ed2a1cc0] [c00e1438] lookup_one_len+0x10c/0x15c > [ed2a1ce0] [c01a170c] nfsd4_encode_dirent+0xb4/0x328 > [ed2a1d10] [c018f580] nfsd_readdir+0x1d4/0x288 > [ed2a1d90] [c019d648] nfsd4_encode_readdir+0x138/0x1f4 > [ed2a1dd0] [c01a1b18] nfsd4_encode_operation+0x8c/0xf0 > [ed2a1df0] [c019aa4c] nfsd4_proc_compound+0x1b8/0x4f8 > [ed2a1e30] [c0189d20] nfsd_dispatch+0x90/0x1a0 > [ed2a1e50] [c0536b04] svc_process+0x3d0/0x698 > [ed2a1e90] [c01895bc] nfsd+0xc0/0x120 > [ed2a1eb0] [c004f8fc] kthread+0xbc/0xd0 > [ed2a1f40] [c0010ae4] ret_from_kernel_thread+0x5c/0x64 > Instruction dump: > 7fe4fb78 800100b4 b9c10068 7d810120 7d808120 7c0803a6 382100b0 4bfffb00 > 80610048 4bf95dc5 2f830000 40beff4c <0fe00000> 4bffff44 815e000c 394a0001 > ---[ end trace 1f5ed3ea8b3e4403 ]--- > > > -- > BOFH excuse #65: > > system needs to be rebooted > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs > -- BOFH excuse #65: system needs to be rebooted -- 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/