linux-ext4 - Re: WARNING: CPU: 26 PID: 93793 at fs/ext4/inode.c:230 ext4_evict_inode+0x4c9/0x500 [ext4]() still in 3.11-rc3

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Date:	Wed, 7 Aug 2013 17:20:50 +0200
From:	Jan Kara <jack@...e.cz>
To:	Davidlohr Bueso <davidlohr@...com>
Cc:	Jan Kara <jack@...e.cz>, Theodore Ts'o <tytso@....edu>,
	Guenter Roeck <linux@...ck-us.net>,
	LKML <linux-kernel@...r.kernel.org>, linux-ext4@...r.kernel.org
Subject: Re: WARNING: CPU: 26 PID: 93793 at fs/ext4/inode.c:230
 ext4_evict_inode+0x4c9/0x500 [ext4]() still in 3.11-rc3

On Thu 01-08-13 20:58:46, Davidlohr Bueso wrote:
> On Thu, 2013-08-01 at 22:33 +0200, Jan Kara wrote:
> >   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?
> 
> After re-running the workloads one by one, I finally hit the issue again
> with 'dbase'. FWIW I'm using ramdisks + ext4.
  Hum, I'm not able to reproduce this with current Linus' kernel - commit
e4ef108fcde0b97ed38923ba1ea06c7a152bab9e - I've tried with ramdisk but no
luck. Are you using some special mount options?

								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@...e.cz>
SUSE Labs, CR
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