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Kernel Trace at boot on fs/xfs/linux-2.6/xfs_aops.c:1008

To: <xfs@xxxxxxxxxxx>
Subject: Kernel Trace at boot on fs/xfs/linux-2.6/xfs_aops.c:1008
From: Matteo Chesi <chesi@xxxxxxx>
Date: Fri, 24 Apr 2015 12:40:58 +0200
Cc: <david@xxxxxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:24.0) Gecko/20100101 Thunderbird/24.6.0
Hi,

I am Matteo Chesi,

I am sorry to bother you, it's the first time I have an issue with XFS
and I don't know if it's correct to send you this kind of support request.

My issue is that I receive a kernel trace like this at every boot of my
machine:

------------[ cut here ]------------
WARNING: at fs/xfs/linux-2.6/xfs_aops.c:1008
xfs_vm_writepage+0x537/0x590 [xfs]() (Not tainted)
Hardware name: Altos R380 F2
Modules linked in: mmfs26(U) mmfslinux(U) tracedev(U) mgc(U) lustre(U)
lov(U) mdc(U) lquota(U) osc(U) ko2iblnd(U) ptlrpc(U) obdclass(U) lvfs(U)
lnet(U) libcfs(U) 8021q garp stp llc limic(U) nfs lockd fscache
auth_rpcgss nfs_acl cpufreq_ondemand acpi_cpufreq freq_table mperf xfs
exportfs ext3 jbd ipmi_devintf ipmi_msghandler xprtrdma svcrdma sunrpc
ib_ipoib ib_umad rdma_ucm ib_uverbs rdma_cm ib_cm iw_cm mlx4_ib ib_sa
ib_mad ib_core ib_addr ipv6 mlx4_en mlx4_core iTCO_wdt
iTCO_vendor_support rfkill microcode sg igb dca i2c_algo_bit ptp
pps_core sb_edac edac_core i2c_i801 i2c_core lpc_ich mfd_core shpchp
ext4 jbd2 mbcache raid1 sd_mod crc_t10dif isci libsas scsi_transport_sas
ahci wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded:
scsi_wait_scan]
Pid: 7211, comm: mmfsd Not tainted 2.6.32-504.12.2.el6.x86_64 #1
Call Trace:
 [<ffffffff81074df7>] ? warn_slowpath_common+0x87/0xc0
 [<ffffffff81074e4a>] ? warn_slowpath_null+0x1a/0x20
 [<ffffffffa04e00a7>] ? xfs_vm_writepage+0x537/0x590 [xfs]
 [<ffffffff81124d2a>] ? generic_file_buffered_write+0x1da/0x2e0
 [<ffffffff81123d80>] ? find_get_pages_tag+0x40/0x130
 [<ffffffff81138077>] ? __writepage+0x17/0x40
 [<ffffffff8113933d>] ? write_cache_pages+0x1fd/0x4c0
 [<ffffffffa04e4e54>] ? xfs_file_buffered_aio_write+0x144/0x1b0 [xfs]
 [<ffffffff81138060>] ? __writepage+0x0/0x40
 [<ffffffff8118ffdd>] ? __sb_end_write+0x3d/0x70
 [<ffffffffa04e501c>] ? xfs_file_aio_write+0x15c/0x190 [xfs]
 [<ffffffff81139624>] ? generic_writepages+0x24/0x30
 [<ffffffffa04df0ad>] ? xfs_vm_writepages+0x5d/0x80 [xfs]
 [<ffffffff81139651>] ? do_writepages+0x21/0x40
 [<ffffffff81124abb>] ? __filemap_fdatawrite_range+0x5b/0x60
 [<ffffffff81124b1a>] ? filemap_write_and_wait_range+0x5a/0x90
 [<ffffffff811c084e>] ? vfs_fsync_range+0x7e/0x100
 [<ffffffff811c093d>] ? vfs_fsync+0x1d/0x20
 [<ffffffff811c097e>] ? do_fsync+0x3e/0x60
 [<ffffffff811c09d0>] ? sys_fsync+0x10/0x20
 [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b
---[ end trace 20acc50915714a05 ]---

My kernel is: 2.6.32-504.16.2.el6.x86_64 (from a just updated Centos 6.6)

I would like to understand what it could be the issue.

Thanks In Advance for any answer,

Best Regards,
Matteo Chesi

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