Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753646Ab0GTKh3 (ORCPT ); Tue, 20 Jul 2010 06:37:29 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:54615 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752488Ab0GTKhY (ORCPT ); Tue, 20 Jul 2010 06:37:24 -0400 Date: Tue, 20 Jul 2010 03:36:56 -0700 From: Andrew Morton To: Stephen Rothwell Cc: Al Viro , linux-next@vger.kernel.org, LKML , Christoph Hellwig , Jens Axboe , Dave Chinner Subject: Re: linux-next: OOPS at boot time Message-Id: <20100720033656.0ce6356f.akpm@linux-foundation.org> In-Reply-To: <20100720164145.e06242b3.sfr@canb.auug.org.au> References: <20100720164145.e06242b3.sfr@canb.auug.org.au> X-Mailer: Sylpheed 2.7.1 (GTK+ 2.18.9; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2692 Lines: 56 On Tue, 20 Jul 2010 16:41:45 +1000 Stephen Rothwell wrote: > Hi Al, > > All of my PowerPC boot tests are getting this after getting to user mode > (sometimes several times): > > ------------[ cut here ]------------ > kernel BUG at fs/inode.c:1244! > Oops: Exception in kernel mode, sig: 5 [#1] > SMP NR_CPUS=128 NUMA pSeries > last sysfs file: /sys/kernel/uevent_seqnum > Modules linked in: ehea xt_tcpudp iptable_filter ip_tables nfnetlink nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT x_tables dm_mirror dm_region_hash dm_log dm_zero dm_snapshot parport_pc parport dm_multipath autofs4 > NIP: c000000000168074 LR: c000000000168064 CTR: 0000000000000000 > REGS: c0000000063d39f0 TRAP: 0700 Not tainted (2.6.35-rc5-autokern1) > MSR: 8000000000029032 CR: 22008422 XER: 20000001 > TASK = c000000003a25840[4995] 'rm' THREAD: c0000000063d0000 CPU: 2 > GPR00: 0000000000000001 c0000000063d3c70 c000000000bfdea0 c0000000015f2090 > GPR04: 0000000000000003 0000000000000001 c0000000063d3bd0 c000000000c5a388 > GPR08: 80c0000000000000 0000000000000006 6000000000000000 8000000000000000 > GPR12: c0000000056c0598 c0000000074d6400 0000000003100000 0000000000779b68 > GPR16: 00000000007782f0 0000000010018875 00000000ff9c74b8 0000000000000000 > GPR20: 0000000000000000 0000000000000000 0000000010010000 0000000010010000 > GPR24: 0000000000000001 00000000fffba994 0000000000000002 000000001001a038 > GPR28: c000000006617800 c000000000aefd40 c000000000b586b8 c0000000056c0748 > NIP [c000000000168074] .iput+0x288/0x2d0 > LR [c000000000168064] .iput+0x278/0x2d0 > Call Trace: > [c0000000063d3c70] [c000000000168064] .iput+0x278/0x2d0 (unreliable) > [c0000000063d3d00] [c00000000015e964] .do_unlinkat+0x124/0x1b8 > [c0000000063d3e30] [c000000000008554] syscall_exit+0x0/0x40 > Instruction dump: > 38000000 f81f0008 f81f0000 e87e8090 48457d8d 60000000 7fe3fb78 4bfff339 > e81f03b0 68000060 3120ffff 7c090110 <0b000000> 38210090 7fe3fb78 e8010010 > ---[ end trace 9ace9d3884bc0aac ]--- > Trace/breakpoint trap > ------------[ cut here ]------------ > > This is: > BUG_ON(inode->i_state != (I_FREEING | I_CLEAR)); > in iput_final(). > > That BUG_ON was added by commit c0ae81f2 ("Make ->drop_inode() just > return whether inode needs to be dropped"). > > Has anyone seen this or something similar? I get it all the time. See the thread "Subject: Re: linux-next: Tree for July 7". -- 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/