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From: Andrew Morton <akpm@linux-foundation.org>
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
	linux-next@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
	Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
	Dave Chinner <david@fromorbit.com>
Subject: Re: linux-next: OOPS at boot time
Date: Tue, 20 Jul 2010 03:36:56 -0700	[thread overview]
Message-ID: <20100720033656.0ce6356f.akpm@linux-foundation.org> (raw)
In-Reply-To: <20100720164145.e06242b3.sfr@canb.auug.org.au>

On Tue, 20 Jul 2010 16:41:45 +1000 Stephen Rothwell <sfr@canb.auug.org.au> 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 <EE,ME,CE,IR,DR>  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".

  reply	other threads:[~2010-07-20 10:37 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-20  6:41 linux-next: OOPS at boot time Stephen Rothwell
2010-07-20 10:36 ` Andrew Morton [this message]
2010-07-20 22:45   ` Dave Chinner
2010-07-21  0:44     ` Andrew Morton
2010-07-21  5:20       ` Dave Chinner
2010-07-21  7:29         ` Andrew Morton
2010-07-21  7:48           ` Stephen Rothwell
2010-07-21 12:11             ` Jan Kara
2010-07-21 17:49               ` Al Viro
2010-07-21 21:40               ` Al Viro
2010-07-23 10:04                 ` Jan Kara
2010-07-24 12:27                   ` Al Viro
2010-07-21 23:19           ` Dave Chinner
2010-07-21 12:19       ` Jan Kara

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