Several warnings are logged here and there. Possible mvfs issue.

Solution Unverified - Updated -

Issue

  • I see several warnings logged in messages file
Mar 13 19:26:35 hostname kernel: ------------[ cut here ]------------
Mar 13 19:26:35 hostname kernel: WARNING: at fs/dcache.c:1470 d_set_d_op+0x8d/0xc0()
Mar 13 19:26:35 hostname kernel: Modules linked in: tcp_diag udp_diag inet_diag mvfs(OE) nfsv3 rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache bonding iTCO_wdt iTCO_vendor_support intel_powerclamp coretemp intel_rapl kvm_intel kvm crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd pcspkr sb_edac edac_core lpc_ich i2c_i801 mfd_core hpilo hpwdt ioatdma dm_round_robin osst ipmi_devintf ses ch enclosure st sg ipmi_si ipmi_msghandler shpchp pcc_cpufreq wmi acpi_power_meter dm_multipath binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sr_mod cdrom sd_mod crc_t10dif crct10dif_generic syscopyarea crct10dif_pclmul sysfillrect crct10dif_common sysimgblt crc32c_intel i2c_algo_bit serio_raw drm_kms_helper ttm ahci libahci ixgbe qla2xxx drm libata mdio tg3 dca i2c_core
Mar 13 19:26:35 hostname kernel: ptp scsi_transport_fc hpsa(OE) pps_core scsi_tgt scsi_transport_sas dm_mirror dm_region_hash dm_log dm_mod
Mar 13 19:26:35 hostname kernel: CPU: 4 PID: 25454 Comm: find Tainted: G        W  OE  ------------   3.10.0-327.36.3.el7.x86_64 #1
Mar 13 19:26:35 hostname kernel: Hardware name: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 10/21/2019
Mar 13 19:26:35 hostname kernel: 0000000000000000 000000001410d66a ffff881fdb143b68 ffffffff81636431
Mar 13 19:26:35 hostname kernel: ffff881fdb143ba0 ffffffff8107b260 ffff8817b64ae300 ffffffffa08a0c00
Mar 13 19:26:35 hostname kernel: 0000000000000000 ffff881fdb143c18 0000000000000000 ffff881fdb143bb0
Mar 13 19:26:35 hostname kernel: Call Trace:
Mar 13 19:26:35 hostname kernel: [<ffffffff81636431>] dump_stack+0x19/0x1b
Mar 13 19:26:35 hostname kernel: [<ffffffff8107b260>] warn_slowpath_common+0x70/0xb0
Mar 13 19:26:35 hostname kernel: [<ffffffff8107b3aa>] warn_slowpath_null+0x1a/0x20
Mar 13 19:26:35 hostname kernel: [<ffffffff811f523d>] d_set_d_op+0x8d/0xc0
Mar 13 19:26:35 hostname kernel: [<ffffffffa0873b4c>] vnode_iop_lookup+0x44b/0x49d [mvfs]
Mar 13 19:26:35 hostname kernel: [<ffffffff811f7f72>] ? __d_alloc+0x122/0x180
Mar 13 19:26:35 hostname kernel: [<ffffffff811e8e6d>] lookup_real+0x1d/0x50
Mar 13 19:26:35 hostname kernel: [<ffffffff811e97e2>] __lookup_hash+0x42/0x60
Mar 13 19:26:35 hostname kernel: [<ffffffff81633768>] lookup_slow+0x42/0xa7
Mar 13 19:26:35 hostname kernel: [<ffffffff811ee6b3>] path_lookupat+0x773/0x7a0
Mar 13 19:26:35 hostname kernel: [<ffffffff81223167>] ? fsnotify_clear_marks_by_inode+0xa7/0x140
Mar 13 19:26:35 hostname kernel: [<ffffffff811e8df7>] ? path_get+0x27/0x30
Mar 13 19:26:35 hostname kernel: [<ffffffff811ee70b>] filename_lookup+0x2b/0xc0
Mar 13 19:26:35 hostname kernel: [<ffffffff811f04d7>] user_path_at_empty+0x67/0xc0
Mar 13 19:26:35 hostname kernel: [<ffffffff812226c6>] ? fsnotify+0x316/0x4b0
Mar 13 19:26:35 hostname kernel: [<ffffffff811f0541>] user_path_at+0x11/0x20
Mar 13 19:26:35 hostname kernel: [<ffffffff811e3d83>] vfs_fstatat+0x63/0xc0
Mar 13 19:26:35 hostname kernel: [<ffffffff811e43a4>] SYSC_newfstatat+0x24/0x60
Mar 13 19:26:35 hostname kernel: [<ffffffff811e45ee>] SyS_newfstatat+0xe/0x10
Mar 13 19:26:35 hostname kernel: [<ffffffff81646b49>] system_call_fastpath+0x16/0x1b
Mar 13 19:26:35 hostname kernel: ---[ end trace 50f3c0d9daf33560 ]---

Mar 13 19:26:35 hostname kernel: ------------[ cut here ]------------
Mar 13 19:26:35 hostname kernel: WARNING: at fs/dcache.c:1475 d_set_d_op+0xb0/0xc0()
Mar 13 19:26:35 hostname kernel: Modules linked in: tcp_diag udp_diag inet_diag mvfs(OE) nfsv3 rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache bonding iTCO_wdt iTCO_vendor_support intel_powerclamp coretemp intel_rapl kvm_intel kvm crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd pcspkr sb_edac edac_core lpc_ich i2c_i801 mfd_core hpilo hpwdt ioatdma dm_round_robin osst ipmi_devintf ses ch enclosure st sg ipmi_si ipmi_msghandler shpchp pcc_cpufreq wmi acpi_power_meter dm_multipath binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c sr_mod cdrom sd_mod crc_t10dif crct10dif_generic syscopyarea crct10dif_pclmul sysfillrect crct10dif_common sysimgblt crc32c_intel i2c_algo_bit serio_raw drm_kms_helper ttm ahci libahci ixgbe qla2xxx drm libata mdio tg3 dca i2c_core
Mar 13 19:26:35 hostname kernel: ptp scsi_transport_fc hpsa(OE) pps_core scsi_tgt scsi_transport_sas dm_mirror dm_region_hash dm_log dm_mod
Mar 13 19:26:35 hostname kernel: CPU: 4 PID: 25454 Comm: find Tainted: G        W  OE  ------------   3.10.0-327.36.3.el7.x86_64 #1
Mar 13 19:26:35 hostname kernel: Hardware name: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 10/21/2019
Mar 13 19:26:35 hostname kernel: 0000000000000000 000000001410d66a ffff881fdb143b68 ffffffff81636431
Mar 13 19:26:35 hostname kernel: ffff881fdb143ba0 ffffffff8107b260 ffff8817b64ae300 ffffffffa08a0c00
Mar 13 19:26:35 hostname kernel: 0000000000000000 ffff881fdb143c18 0000000000000000 ffff881fdb143bb0
Mar 13 19:26:35 hostname kernel: Call Trace:
Mar 13 19:26:35 hostname kernel: [<ffffffff81636431>] dump_stack+0x19/0x1b
Mar 13 19:26:35 hostname kernel: [<ffffffff8107b260>] warn_slowpath_common+0x70/0xb0
Mar 13 19:26:35 hostname kernel: [<ffffffff8107b3aa>] warn_slowpath_null+0x1a/0x20
Mar 13 19:26:35 hostname kernel: [<ffffffff811f5260>] d_set_d_op+0xb0/0xc0
Mar 13 19:26:35 hostname kernel: [<ffffffffa0873b4c>] vnode_iop_lookup+0x44b/0x49d [mvfs]
Mar 13 19:26:35 hostname kernel: [<ffffffff811f7f72>] ? __d_alloc+0x122/0x180
Mar 13 19:26:35 hostname kernel: [<ffffffff811e8e6d>] lookup_real+0x1d/0x50
Mar 13 19:26:35 hostname kernel: [<ffffffff811e97e2>] __lookup_hash+0x42/0x60
Mar 13 19:26:35 hostname kernel: [<ffffffff81633768>] lookup_slow+0x42/0xa7
Mar 13 19:26:35 hostname kernel: [<ffffffff811ee6b3>] path_lookupat+0x773/0x7a0
Mar 13 19:26:35 hostname kernel: [<ffffffff81223167>] ? fsnotify_clear_marks_by_inode+0xa7/0x140
Mar 13 19:26:35 hostname kernel: [<ffffffff811e8df7>] ? path_get+0x27/0x30
Mar 13 19:26:35 hostname kernel: [<ffffffff811ee70b>] filename_lookup+0x2b/0xc0
Mar 13 19:26:35 hostname kernel: [<ffffffff811f04d7>] user_path_at_empty+0x67/0xc0
Mar 13 19:26:35 hostname kernel: [<ffffffff812226c6>] ? fsnotify+0x316/0x4b0
Mar 13 19:26:35 hostname kernel: [<ffffffff811f0541>] user_path_at+0x11/0x20
Mar 13 19:26:35 hostname kernel: [<ffffffff811e3d83>] vfs_fstatat+0x63/0xc0
Mar 13 19:26:35 hostname kernel: [<ffffffff811e43a4>] SYSC_newfstatat+0x24/0x60
Mar 13 19:26:35 hostname kernel: [<ffffffff811e45ee>] SyS_newfstatat+0xe/0x10
Mar 13 19:26:35 hostname kernel: [<ffffffff81646b49>] system_call_fastpath+0x16/0x1b
Mar 13 19:26:35 hostname kernel: ---[ end trace 50f3c0d9daf33561 ]---

Mar 15 02:01:21 hostname kernel: ------------[ cut here ]------------
Mar 15 02:01:21 hostname kernel: WARNING: at fs/namei.c:2175 lookup_one_len+0x113/0x140()
Mar 15 02:01:21 hostname kernel: Modules linked in: mvfs(OE) nfsv3 rpcsec_gss_krb5 nfsv4 dns_resolver nfs fscache bonding iTCO_wdt iTCO_vendor_support intel_powerclamp coretemp intel_rapl kvm_intel kvm crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd pcspkr hpwdt lpc_ich hpilo ioatdma i2c_i801 mfd_core sb_edac edac_core dm_round_robin osst ipmi_devintf ses enclosure ch st sg ipmi_si shpchp ipmi_msghandler pcc_cpufreq wmi acpi_power_meter nfsd dm_multipath auth_rpcgss nfs_acl lockd grace sunrpc binfmt_misc ip_tables xfs libcrc32c sr_mod cdrom sd_mod crc_t10dif crct10dif_generic crct10dif_pclmul crct10dif_common syscopyarea sysfillrect crc32c_intel sysimgblt i2c_algo_bit serio_raw drm_kms_helper ahci libahci ttm qla2xxx ixgbe libata drm mdio tg3 dca i2c_core hpsa(OE) ptp scsi_transport_fc
Mar 15 02:01:21 hostname kernel: pps_core scsi_tgt scsi_transport_sas dm_mirror dm_region_hash dm_log dm_mod
Mar 15 02:01:21 hostname kernel: CPU: 22 PID: 5248 Comm: find Tainted: G           OE  ------------   3.10.0-327.36.3.el7.x86_64 #1
Mar 15 02:01:21 hostname kernel: Hardware name: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 10/21/2019
Mar 15 02:01:21 hostname kernel: 0000000000000000 00000000af66e86b ffff880d2f873b68 ffffffff81636431
Mar 15 02:01:21 hostname kernel: ffff880d2f873ba0 ffffffff8107b260 ffff8812b59cb778 0000000000000006
Mar 15 02:01:21 hostname kernel: ffff8814057b9bc0 ffff8809cd81e7e0 ffff8814057b9bc0 ffff880d2f873bb0
Mar 15 02:01:21 hostname kernel: Call Trace:
Mar 15 02:01:21 hostname kernel: [<ffffffff81636431>] dump_stack+0x19/0x1b
Mar 15 02:01:21 hostname kernel: [<ffffffff8107b260>] warn_slowpath_common+0x70/0xb0
Mar 15 02:01:21 hostname kernel: [<ffffffff8107b3aa>] warn_slowpath_null+0x1a/0x20
Mar 15 02:01:21 hostname kernel: [<ffffffff811ea723>] lookup_one_len+0x113/0x140
Mar 15 02:01:21 hostname kernel: [<ffffffff811feece>] ? mntput_no_expire+0x3e/0x120
Mar 15 02:01:21 hostname kernel: [<ffffffffa086adcc>] vnode_dop_revalidate+0x18e/0x3b7 [mvfs]
Mar 15 02:01:21 hostname kernel: [<ffffffff811f85b0>] ? __d_lookup+0x120/0x160
Mar 15 02:01:21 hostname kernel: [<ffffffff811e9eb4>] lookup_fast+0x294/0x2e0
Mar 15 02:01:21 hostname kernel: [<ffffffff811ee0a5>] path_lookupat+0x165/0x7a0
Mar 15 02:01:21 hostname kernel: [<ffffffff811e8df7>] ? path_get+0x27/0x30
Mar 15 02:01:21 hostname kernel: [<ffffffff811ee70b>] filename_lookup+0x2b/0xc0
Mar 15 02:01:21 hostname kernel: [<ffffffff811f04d7>] user_path_at_empty+0x67/0xc0
Mar 15 02:01:21 hostname kernel: [<ffffffff81101322>] ? from_kgid_munged+0x12/0x20
Mar 15 02:01:21 hostname kernel: [<ffffffff811e428f>] ? cp_new_stat+0x14f/0x180
Mar 15 02:01:21 hostname kernel: [<ffffffff811f0541>] user_path_at+0x11/0x20
Mar 15 02:01:21 hostname kernel: [<ffffffff811e3d83>] vfs_fstatat+0x63/0xc0
Mar 15 02:01:21 hostname kernel: [<ffffffff811e43a4>] SYSC_newfstatat+0x24/0x60
Mar 15 02:01:21 hostname kernel: [<ffffffff811fd56d>] ? set_close_on_exec+0x4d/0x70
Mar 15 02:01:21 hostname kernel: [<ffffffff811e45ee>] SyS_newfstatat+0xe/0x10
Mar 15 02:01:21 hostname kernel: [<ffffffff81646b49>] system_call_fastpath+0x16/0x1b
Mar 15 02:01:21 hostname kernel: ---[ end trace 5b3e59adeb99ce6d ]---

Environment

  • Red Hat Enterprise Linux 7
  • mvfs

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