问题说明

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最近的几台机器在同一天的不同时段都出现以下警告信息:

Mar 26 20:55:03 host1 kernel: WARNING: at fs/xfs/xfs_aops.c:1045 xfs_vm_releasepage+0xcb/0x100 [xfs]()
Mar 26 20:55:03 host1 kernel: Modules linked in: nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables ebtable_filter ebtables ip6table_
filter ip6_tables devlink bridge stp llc xt_multiport sunrpc dm_mirror dm_region_hash dm_log dm_mod intel_powerclamp coretemp intel_rapl iosf_mbi kvm_intel kvm irqbypa
ss crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd iTCO_wdt iTCO_vendor_support dcdbas ipmi_devintf ipmi_si sg pcspkr ipmi_msg
handler shpchp i2c_i801 lpc_ich nfit libnvdimm acpi_power_meter kgwttm(OE) xfs libcrc32c sd_mod crc_t10dif crct10dif_generic crct10dif_pclmul crct10dif_common crc32c_i
ntel mgag200 drm_kms_helper igb syscopyarea sysfillrect sysimgblt ptp fb_sys_fops ttm pps_core dca ahci drm i2c_algo_bit libahci megaraid_sas i2c_core libata
Mar 26 20:55:03 host1 kernel: fjes [last unloaded: nf_defrag_ipv4]
Mar 26 20:55:03 host1 kernel: CPU: 10 PID: 224 Comm: kswapd0 Tainted: G      OE ------------  3.10.0-514.21.2.el7.x86_64 #1
Mar 26 20:55:03 host1 kernel: Hardware name: Dell Inc. PowerEdge R640/0W23H8, BIOS 1.3.7 02/08/2018
Mar 26 20:55:03 host1 kernel: 0000000000000000 00000000e02a0d05 ffff88103c7ebaa0 ffffffff81687073
Mar 26 20:55:03 host1 kernel: ffff88103c7ebad8 ffffffff81085cb0 ffffea0000687620 ffffea0000687600
Mar 26 20:55:03 host1 kernel: ffff88004a71daf8 ffff88103c7ebda0 ffffea0000687600 ffff88103c7ebae8
Mar 26 20:55:03 host1 kernel: Call Trace:
Mar 26 20:55:03 host1 kernel: [] dump_stack+0x19/0x1b
Mar 26 20:55:03 host1 kernel: [] warn_slowpath_common+0x70/0xb0
Mar 26 20:55:03 host1 kernel: [] warn_slowpath_null+0x1a/0x20
Mar 26 20:55:03 host1 kernel: [] xfs_vm_releasepage+0xcb/0x100 [xfs]
Mar 26 20:55:03 host1 kernel: [] try_to_release_page+0x32/0x50
Mar 26 20:55:03 host1 kernel: [] shrink_active_list+0x3d6/0x3e0
Mar 26 20:55:03 host1 kernel: [] shrink_lruvec+0x3f1/0x770
Mar 26 20:55:03 host1 kernel: [] shrink_zone+0x76/0x1a0
Mar 26 20:55:03 host1 kernel: [] balance_pgdat+0x48c/0x5e0
Mar 26 20:55:03 host1 kernel: [] kswapd+0x173/0x450
Mar 26 20:55:03 host1 kernel: [] ? wake_up_atomic_t+0x30/0x30
Mar 26 20:55:03 host1 kernel: [] ? balance_pgdat+0x5e0/0x5e0
Mar 26 20:55:03 host1 kernel: [] kthread+0xcf/0xe0
Mar 26 20:55:03 host1 kernel: [] ? kthread_create_on_node+0x140/0x140
Mar 26 20:55:03 host1 kernel: [] ret_from_fork+0x58/0x90
Mar 26 20:55:03 host1 kernel: [] ? kthread_create_on_node+0x140/0x140
Mar 26 20:55:03 host1 kernel: ---[ end trace 24823c5c7a1ea2be ]---

新闻名称：linux系统报xfs_vm_releasepage警告问题的处理方法-创新互联
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