xfs_vm_writepage WARNING while loading GPFS

Issue

• RHEL 7.1 servers with xfs on / get a kernel warning while starting IBM GPFS:

Apr  8 15:37:20 localhost kernel: WARNING: at fs/xfs/xfs_aops.c:989 xfs_vm_writepage+0x58e/0x5d0 [xfs]()
Apr  8 15:37:20 localhost kernel: Modules linked in: mmfs26(OF) mmfslinux(OF) tracedev(OF) nf_log_ipv6 xt_AUDIT nf_log_ipv4 nf_log_common xt_LOG ip6t_rpfilter ip6t_REJECT team_mode_loadbalance ipt_REJECT xt_conntrack team ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw iptable_filter ip_tables lin_tape(OF) iTCO_wdt iTCO_vendor_support vfat fat intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd pcspkr osst ch st dm_service_time cdc_ether usbnet mii
Apr  8 15:37:20 localhost kernel: sb_edac edac_core ipmi_devintf shpchp nfsd wmi lpc_ich ioatdma mfd_core ipmi_si ipmi_msghandler acpi_pad auth_rpcgss nfs_acl lockd binfmt_misc sunrpc dm_multipath xfs libcrc32c sd_mod mgag200 lpfc syscopyarea sysfillrect ixgbe sysimgblt i2c_algo_bit drm_kms_helper crc_t10dif mdio crct10dif_common scsi_transport_fc ttm ptp megaraid_sas drm scsi_tgt pps_core i2c_core dca dm_mirror dm_region_hash dm_log dm_mod [last unloaded: tracedev]
Apr  8 15:37:20 localhost kernel: CPU: 37 PID: 6428 Comm: mmsync Tainted: GF          O--------------   3.10.0-229.1.2.el7.x86_64 #1
Apr  8 15:37:20 localhost kernel: Hardware name: IBM x3850 X6 -[3837A4G]-/00FN802, BIOS -[A8E112BUS-1.00]- 08/27/2014
Apr  8 15:37:20 localhost kernel: 0000000000000000 00000000dd028ee4 ffff881f8fdf7b80 ffffffff81603f26
Apr  8 15:37:20 localhost kernel: ffff881f8fdf7bb8 ffffffff8106e28b ffff883f88e1fee8 ffff883f88e1fee8
Apr  8 15:37:20 localhost kernel: ffff881f8fdf7e60 ffff883f88e1fd98 ffffea007dd39380 ffff881f8fdf7bc8
Apr  8 15:37:20 localhost kernel: Call Trace:
Apr  8 15:37:20 localhost kernel: [<ffffffff81603f26>] dump_stack+0x19/0x1b
Apr  8 15:37:20 localhost kernel: [<ffffffff8106e28b>] warn_slowpath_common+0x6b/0xb0
Apr  8 15:37:20 localhost kernel: [<ffffffff8106e3da>] warn_slowpath_null+0x1a/0x20
Apr  8 15:37:20 localhost kernel: [<ffffffffa02848ee>] xfs_vm_writepage+0x58e/0x5d0 [xfs]
Apr  8 15:37:20 localhost kernel: [<ffffffff8104a3c3>] ? x2apic_send_IPI_mask+0x13/0x20
Apr  8 15:37:20 localhost kernel: [<ffffffff81156cb1>] ? find_get_pages_tag+0xe1/0x1a0
Apr  8 15:37:20 localhost kernel: [<ffffffff81160cc3>] __writepage+0x13/0x50
Apr  8 15:37:20 localhost kernel: [<ffffffff811617e1>] write_cache_pages+0x251/0x4d0
Apr  8 15:37:20 localhost kernel: [<ffffffff81158c45>] ? filemap_fault+0x225/0x430
Apr  8 15:37:20 localhost kernel: [<ffffffff81160cb0>] ? global_dirtyable_memory+0x70/0x70
Apr  8 15:37:20 localhost kernel: [<ffffffff81161aad>] generic_writepages+0x4d/0x80
Apr  8 15:37:20 localhost kernel: [<ffffffffa0283ea3>] xfs_vm_writepages+0x43/0x50 [xfs]
Apr  8 15:37:20 localhost kernel: [<ffffffff81162b5e>] do_writepages+0x1e/0x40
Apr  8 15:37:20 localhost kernel: [<ffffffff811579d5>] __filemap_fdatawrite_range+0x65/0x80
Apr  8 15:37:20 localhost kernel: [<ffffffff81157aea>] filemap_write_and_wait_range+0x2a/0x70
Apr  8 15:37:20 localhost kernel: [<ffffffffa028e706>] xfs_file_fsync+0x66/0x1f0 [xfs]
Apr  8 15:37:20 localhost kernel: [<ffffffff811f69a5>] do_fsync+0x65/0xa0
Apr  8 15:37:20 localhost kernel: [<ffffffff811f6c70>] SyS_fsync+0x10/0x20
Apr  8 15:37:20 localhost kernel: [<ffffffff81613da9>] system_call_fastpath+0x16/0x1b
Apr  8 15:37:20 localhost kernel: ---[ end trace 038b3e9619a53e69 ]---