From: Jan Kara <jack@suse.cz>
Subject: Re: WARNING: CPU: 26 PID: 93793 at fs/ext4/inode.c:230
 ext4_evict_inode+0x4c9/0x500 [ext4]() still in 3.11-rc3
Date: Thu, 1 Aug 2013 22:33:20 +0200
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Cc: Jan Kara <jack@suse.cz>, Theodore Ts'o <tytso@mit.edu>,
	Guenter Roeck <linux@roeck-us.net>,
	LKML <linux-kernel@vger.kernel.org>, linux-ext4@vger.kernel.org
To: Davidlohr Bueso <davidlohr@hp.com>
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  Hi,

On Thu 01-08-13 13:14:19, Davidlohr Bueso wrote:
> FYI I'm seeing loads of the following messages with Linus' latest
> 3.11-rc3 (which includes 822dbba33458cd6ad)
  Thanks for notice. I see you are running reaim to trigger this. What
workload?

								Honza

> ------------[ cut here ]------------
> WARNING: CPU: 26 PID: 93793 at fs/ext4/inode.c:230 ext4_evict_inode+0x4c9/0x500 [ext4]()
> Modules linked in: autofs4 cpufreq_ondemand freq_table sunrpc 8021q garp stp llc pcc_cpufreq ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 dm_mirror dm_region_hash dm_log dm_mod uinput iTCO_wdt iTCO_vendor_support coretemp kvm_intel kvm crc32c_intel ghash_clmulni_intel microcode pcspkr sg lpc_ich mfd_core hpilo hpwdt i7core_edac edac_core netxen_nic mperf ext4 jbd2 mbcache sd_mod crc_t10dif aesni_intel ablk_helper cryptd lrw gf128mul glue_helper aes_x86_64 hpsa radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: freq_table]
> CPU: 26 PID: 93793 Comm: reaim Tainted: G        W    3.11.0-rc3+ #1
> Hardware name: HP ProLiant DL980 G7, BIOS P66 06/24/2011
>  00000000000000e6 ffff8985db603d78 ffffffff8153ce4d 00000000000000e6
>  0000000000000000 ffff8985db603db8 ffffffff8104cf1c ffff8985db603dc8
>  ffff8b05c485b8b0 ffff8b05c485b9b8 ffff8b05c485b800 00000000ffffff9c
> Call Trace:
>  [<ffffffff8153ce4d>] dump_stack+0x49/0x5c
>  [<ffffffff8104cf1c>] warn_slowpath_common+0x8c/0xc0
>  [<ffffffff8104cf6a>] warn_slowpath_null+0x1a/0x20
>  [<ffffffffa02a0179>] ext4_evict_inode+0x4c9/0x500 [ext4]
>  [<ffffffff811915e7>] evict+0xa7/0x1c0
>  [<ffffffff811917e3>] iput_final+0xe3/0x170
>  [<ffffffff811918ae>] iput+0x3e/0x50
>  [<ffffffff81187aa6>] do_unlinkat+0x1c6/0x280
>  [<ffffffff8106f3e4>] ? task_work_run+0x94/0xf0
>  [<ffffffff81003a44>] ? do_notify_resume+0x84/0x90
>  [<ffffffff81187b76>] SyS_unlink+0x16/0x20
>  [<ffffffff81549a02>] system_call_fastpath+0x16/0x1b
> ---[ end trace 15e812809616488b ]---
> 
> 
-- 
Jan Kara <jack@suse.cz>
SUSE Labs, CR