[Bug 16122] New: 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

[Bug 16122] New: 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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https://bugzilla.kernel.org/show_bug.cgi?id=16122

           Summary: 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142
                    __mark_inode_dirty+0x103/0x170
           Product: File System
           Version: 2.5
    Kernel Version: 2.6.35-rc1-00324-gad84563
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: ext3
        AssignedTo: fs_ext3@kernel-bugs.osdl.org
        ReportedBy: Larry.Finger@lwfinger.net
        Regression: Yes


On booting, I get the following:

[   16.480278] ------------[ cut here ]------------
[   16.480288] WARNING: at fs/fs-writeback.c:1142
__mark_inode_dirty+0x103/0x170()
[   16.480291] Hardware name: HP Pavilion dv2700 Notebook PC
[   16.480293] Modules linked in: loop(+) dm_mod ide_cd_mod cdrom
snd_hda_codec_conexant arc4 ecb b43 ide_pci_generic rng_core mac80211 cfg80211
rfkill snd_hda_intel led_class snd_hda_codec ssb snd_pcm mmc_core snd_timer
amd74xx pcmcia k8temp snd i2c_nforce2 ide_core soundcore serio_raw hwmon sg
pcmcia_core joydev snd_page_alloc forcedeth i2c_core ac battery button ext3 jbd
mbcache ohci_hcd sd_mod ehci_hcd usbcore fan processor ahci libahci libata
scsi_mod thermal
[   16.480344] Pid: 2432, comm: udisks-part-id Not tainted
2.6.35-rc1-Linus-00324-gad84563 #202
[   16.480347] Call Trace:
[   16.480354]  [<ffffffff8104623a>] warn_slowpath_common+0x7a/0xb0
[   16.480358]  [<ffffffff81046285>] warn_slowpath_null+0x15/0x20
[   16.480362]  [<ffffffff81128f53>] __mark_inode_dirty+0x103/0x170
[   16.480367]  [<ffffffff8111d6cd>] touch_atime+0x12d/0x170
[   16.480372]  [<ffffffff810ca131>] generic_file_aio_read+0x5c1/0x720
[   16.480377]  [<ffffffff810e49d8>] ? handle_mm_fault+0x718/0x8b0
[   16.480381]  [<ffffffff81107302>] do_sync_read+0xd2/0x110
[   16.480387]  [<ffffffff8107ab85>] ? trace_hardirqs_on_caller+0x145/0x190
[   16.480391]  [<ffffffff8107abdd>] ? trace_hardirqs_on+0xd/0x10
[   16.480394]  [<ffffffff81107a23>] vfs_read+0xb3/0x170
[   16.480399]  [<ffffffff81002d1c>] ? sysret_check+0x27/0x62
[   16.480403]  [<ffffffff81107b2c>] sys_read+0x4c/0x80
[   16.480407]  [<ffffffff81002ceb>] system_call_fastpath+0x16/0x1b
[   16.480410] ---[ end trace f16a433c45bd0baa ]---

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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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https://bugzilla.kernel.org/show_bug.cgi?id=16122


Andrew Morton <akpm@linux-foundation.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |akpm@linux-foundation.org,
                   |                            |axboe@kernel.dk




--- Comment #1 from Andrew Morton <akpm@linux-foundation.org>  2010-06-04 23:36:46 ---
Well, it's complaining that the underlying device's driver didn't call the
secret, undocumented bdi_register().

Please describe the stack which underlies that ext3 filesystem so we can go
hunt down the offending code.

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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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--- Comment #2 from Larry Finger <Larry.Finger@lwfinger.net>  2010-06-04 23:53:32 ---
My disk controller from lspci -nnk is

00:06.0 IDE interface [0101]: nVidia Corporation MCP67 IDE Controller
[10de:0560] (rev a1)
        Subsystem: Hewlett-Packard Company Device [103c:30d6]
        Kernel driver in use: AMD_IDE

Is this what you need?

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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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--- Comment #3 from Andrew Morton <akpm@linux-foundation.org>  2010-06-05 00:48:35 ---
OK, so it's a simple ext3-on-ide setup.  No DM or loop or anything like that
involved?

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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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--- Comment #4 from Larry Finger <Larry.Finger@lwfinger.net>  2010-06-05 03:13:49 ---
I do not think openSUSE 11.3 M7 uses a loop on boot. The dmesg output indicates
that device-mapper was initialized 17 secs before the WARNING; however, I'm not
using it. I will blacklist the DM modules and see if I still get the WARNING.

The demesg output just prior to the WARNING is

   11.996365] ssb: Sonics Silicon Backplane found on PCI device 0000:04:00.0
[   12.148321] hda: host max PIO5 wanted PIO255(auto-tune) selected PIO4
[   12.148661] hda: MWDMA2 mode selected
[   12.149177] ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
[   12.150932] ACPI: PCI Interrupt Link [LAZA] enabled at IRQ 20
[   12.150948] HDA Intel 0000:00:07.0: PCI INT A -> Link[LAZA] -> GSI 20
(level, low) -> IRQ 20
[   12.150953] hda_intel: Disable MSI for Nvidia chipset
[   12.151034] HDA Intel 0000:00:07.0: setting latency timer to 64
[   12.290805] cfg80211: Calling CRDA to update world regulatory domain
[   12.301154] cfg80211: World regulatory domain updated:
[   12.301159]     (start_freq - end_freq @ bandwidth), (max_antenna_gain,
max_eirp)
[   12.301163]     (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[   12.301166]     (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[   12.301169]     (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[   12.301171]     (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[   12.301174]     (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[   12.878617] b43-phy0: Broadcom 4312 WLAN found (core revision 15)
[   12.924045] b43-phy0 debug: Found PHY: Analog 6, Type 5, Revision 1
[   12.924063] b43-phy0 debug: Found Radio: Manuf 0x17F, Version 0x2062,
Revision 2
[   13.064213] ide-cd driver 5.00
[   13.067134] ide-cd: hda: ATAPI 24X DVD-ROM DVD-R/RAM CD-R/RW drive, 2048kB
Cache
[   13.067143] Uniform CD-ROM driver Revision: 3.20
[   13.080677] phy0: Selected rate control algorithm 'minstrel'
[   13.084263] Registered led device: b43-phy0::tx
[   13.084435] Registered led device: b43-phy0::rx
[   13.084603] Registered led device: b43-phy0::radio
[   13.086455] Broadcom 43xx driver loaded [ Features: PMNLS, Firmware-ID: FW13
]
[   13.275196] Adding 2104448k swap on /dev/sda5.  Priority:-1 extents:1
across:2104448k 
[   13.885398] device-mapper: ioctl: 4.17.0-ioctl (2010-03-05) initialised:
dm-devel@redhat.com
[   30.302902] ------------[ cut here ]------------
[   30.302912] WARNING: at fs/fs-writeback.c:1142
__mark_inode_dirty+0x103/0x170()

This boot was using the 2.6.35-rc1 kernel from Linville's wireless-testing
tree.

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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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--- Comment #5 from Andrew Morton <akpm@linux-foundation.org>  2010-06-05 03:56:18 ---
What does it say after the WARN trace?  This:


                                printk(KERN_ERR "bdi-%s not registered\n",
                                                                bdi->name);

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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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--- Comment #6 from Larry Finger <Larry.Finger@lwfinger.net>  2010-06-05 04:14:19 ---
It is "block". The messages are as follows:

[   30.303036] ---[ end trace a80f1425532f94da ]---
[   30.303039] bdi-block not registered
[   30.325691] loop: module loaded
[   30.427469] EXT3-fs: barriers not enabled
[   30.438818] kjournald starting.  Commit interval 5 seconds
[   30.439197] EXT3-fs (sda7): using internal journal

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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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--- Comment #7 from Andrew Morton <akpm@linux-foundation.org>  2010-06-05 04:23:22 ---
Well that's not much use - that's just the default value and all it tells us is
that nobody called bdi_register().  Bah.

That add_disk() fails to check the bdi_register_dev() return value doesn't
help.

Blah, over to you Jens!

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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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--- Comment #8 from Larry Finger <Larry.Finger@lwfinger.net>  2010-06-05 14:54:58 ---
I'm willing to work on this, but don't know where to start.

Is there a simple explanation of when and where bdi_register() should be
called?

I put a test of the returned value of bdi_register_dev() in add_disk(), but
never got a non-zero result.

BTW, is this snippet in bdi_register() correct?

    if (bdi->dev)   /* The driver needs to use separate queues per device */
           goto exit;

This smells like an error, but returns zero.

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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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Rafael J. Wysocki <rjw@sisk.pl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |maciej.rutecki@gmail.com,
                   |                            |rjw@sisk.pl
             Blocks|                            |16055




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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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--- Comment #9 from Rafael J. Wysocki <rjw@sisk.pl>  2010-06-09 08:50:19 ---
On Wednesday 09 June 2010, Larry Finger wrote:
> On 06/08/2010 05:10 PM, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a summary report
> > of recent regressions.
> > 
> > The following bug entry is on the current list of known regressions
> > from 2.6.34.  Please verify if it still should be listed and let the tracking team
> > know (either way).
> > 
> > 
> > Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=16122
> > Subject		: 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170
> > Submitter	: Larry Finger <Larry.Finger@lwfinger.net>
> > Date		: 2010-06-04 13:18 (5 days old)
> 
> Still present in 2.6.35-rc2.

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--- Comment #10 from Jens Axboe <axboe@kernel.dk>  2010-06-09 10:45:50 ---
This puzzles me... Larry, can you try .34? I don't think this is a regression
from .34.

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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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--- Comment #11 from Larry Finger <Larry.Finger@lwfinger.net>  2010-06-09 18:31:02 ---
I have the 2.6.34 kernel from wireless-testing, which should be the same a
mainline, except for the wireless part. I never see this WARNING with that
kernel, only from 2.6.35-rc1 onward.

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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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--- Comment #12 from Rafael J. Wysocki <rjw@sisk.pl>  2010-06-21 18:41:26 ---
On Monday, June 21, 2010, Larry Finger wrote:
> On 06/20/2010 05:17 PM, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a summary report
> > of recent regressions.
> > 
> > The following bug entry is on the current list of known regressions
> > from 2.6.34.  Please verify if it still should be listed and let the tracking team
> > know (either way).
> > 
> > 
> > Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=16122
> > Subject		: 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170
> > Submitter	: Larry Finger <Larry.Finger@lwfinger.net>
> > Date		: 2010-06-04 13:18 (17 days old)
> 
> This is still present in rc3.

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--- Comment #13 from Rafael J. Wysocki <rjw@sisk.pl>  2010-07-08 23:03:07 ---
Handled-By : Jens Axboe <axboe@kernel.dk>

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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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--- Comment #14 from Rafael J. Wysocki <rjw@sisk.pl>  2010-07-09 20:51:34 ---
On Friday, July 09, 2010, Larry Finger wrote:
> On 07/08/2010 06:33 PM, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a summary report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.34.  Please verify if it still should be listed and let the tracking team
> > know (either way).
> >
> >
> > Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=16122
> > Subject		: 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170
> > Submitter	: Larry Finger<Larry.Finger@lwfinger.net>
> > Date		: 2010-06-04 13:18 (35 days old)
> 
> This bug is still present in 2.6.35-rc4.

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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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Rafael J. Wysocki <rjw@sisk.pl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |DUPLICATE




--- Comment #15 from Rafael J. Wysocki <rjw@sisk.pl>  2010-07-09 21:32:53 ---


*** This bug has been marked as a duplicate of bug 16312 ***

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[Bug 16122] 2.6.35-rc1: WARNING at fs/fs-writeback.c:1142 __mark_inode_dirty+0x103/0x170

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Rafael J. Wysocki <rjw@sisk.pl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED




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