Details
-
Type:
Bug
-
Status: Resolved
-
Priority:
Minor
-
Resolution: Fixed
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Fix Version/s: OpenVZ-legacy
-
Component/s: Containers::Kernel
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Security Level: Public
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Environment:2.6.32-042stab116.2
Description
>Description of problem:
Every week or so, I have the following Call Trace on the host. It doesn't crash the system. I currently have it on 116.2 but I also had it on 113.x and probably before.
{code}
[5605895.952481] ------------[ cut here ]------------
[5605895.952611] WARNING: at fs/dcache.c:943 d_delete+0x221/0x280() (Tainted: G W -- ------------ )
[5605895.952847] Hardware name: X9DRW-3LN4F+/X9DRW-3TF+
[5605895.952967] Modules linked in: vzethdev pio_kaio pio_nfs pio_direct pfmt_raw pfmt_ploop1 ploop simfs vzrst vzcpt nfs lockd fscache auth_rpcgss nfs_acl sunrpc vziolimit vzdquota ip6t_REJECT ip6table_mangle ip6table_filter ip6_tables nf_nat_irc xt_conntrack xt_recent xt_helper nf_conntrack_irc ipt_REDIRECT xt_owner nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat xt_state xt_length xt_hl xt_tcpmss xt_TCPMSS iptable_mangle iptable_filter xt_multiport xt_limit nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ipt_LOG xt_DSCP xt_dscp ipt_REJECT ip_tables vzevent vznetdev vzmon vzdev ipv6 ipmi_devintf ipmi_si ipmi_msghandler acpi_pad microcode ixgbe mdio iTCO_wdt iTCO_vendor_support igb dca i2c_algo_bit ptp pps_core joydev serio_raw sb_edac edac_core i2c_i801 i2c_core sg lpc_ich mfd_core shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom megaraid_sas ahci wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
[5605895.954665] Pid: 754427, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5605895.954913] Call Trace:
[5605895.955036] [<ffffffff8107e571>] ? warn_slowpath_common+0x91/0xe0
[5605895.955170] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5605895.955299] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5605895.955430] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5605895.955560] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5605895.955688] [<ffffffff811ba935>] ? fput+0x25/0x30
[5605895.955814] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5605895.955941] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5605895.956074] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5605895.956203] ---[ end trace 9473d6803f65799b ]---
[5605895.956327] Tainting kernel with flag 0x9
[5605895.956453] Pid: 754427, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5605895.956701] Call Trace:
[5605895.956823] [<ffffffff8107e3d1>] ? add_taint+0x71/0x80
[5605895.956949] [<ffffffff8107e57e>] ? warn_slowpath_common+0x9e/0xe0
[5605895.957083] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5605895.957212] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5605895.957339] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5605895.957466] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5605895.957593] [<ffffffff811ba935>] ? fput+0x25/0x30
[5605895.957721] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5605895.957847] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5605895.957974] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5605950.411565] ------------[ cut here ]------------
[5605950.411701] WARNING: at fs/dcache.c:943 d_delete+0x221/0x280() (Tainted: G W -- ------------ )
[5605950.411959] Hardware name: X9DRW-3LN4F+/X9DRW-3TF+
[5605950.412087] Modules linked in: vzethdev pio_kaio pio_nfs pio_direct pfmt_raw pfmt_ploop1 ploop simfs vzrst vzcpt nfs lockd fscache auth_rpcgss nfs_acl sunrpc vziolimit vzdquota ip6t_REJECT ip6table_mangle ip6table_filter ip6_tables nf_nat_irc xt_conntrack xt_recent xt_helper nf_conntrack_irc ipt_REDIRECT xt_owner nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat xt_state xt_length xt_hl xt_tcpmss xt_TCPMSS iptable_mangle iptable_filter xt_multiport xt_limit nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ipt_LOG xt_DSCP xt_dscp ipt_REJECT ip_tables vzevent vznetdev vzmon vzdev ipv6 ipmi_devintf ipmi_si ipmi_msghandler acpi_pad microcode ixgbe mdio iTCO_wdt iTCO_vendor_support igb dca i2c_algo_bit ptp pps_core joydev serio_raw sb_edac edac_core i2c_i801 i2c_core sg lpc_ich mfd_core shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom megaraid_sas ahci wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
[5605950.413758] Pid: 911766, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5605950.414002] Call Trace:
[5605950.414124] [<ffffffff8107e571>] ? warn_slowpath_common+0x91/0xe0
[5605950.414250] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5605950.414373] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5605950.414498] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5605950.414627] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5605950.414757] [<ffffffff811ba935>] ? fput+0x25/0x30
[5605950.414888] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5605950.415016] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5605950.415142] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5605950.415271] ---[ end trace 9473d6803f65799c ]---
[5605950.415397] Tainting kernel with flag 0x9
[5605950.415521] Pid: 911766, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5605950.418410] Call Trace:
[5605950.418536] [<ffffffff8107e3d1>] ? add_taint+0x71/0x80
[5605950.418664] [<ffffffff8107e57e>] ? warn_slowpath_common+0x9e/0xe0
[5605950.418794] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5605950.418929] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5605950.419059] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5605950.419187] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5605950.419314] [<ffffffff811ba935>] ? fput+0x25/0x30
[5605950.419439] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5605950.419564] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5605950.419692] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5688990.689743] ------------[ cut here ]------------
[5688990.689894] WARNING: at fs/dcache.c:943 d_delete+0x221/0x280() (Tainted: G W -- ------------ )
[5688990.690174] Hardware name: X9DRW-3LN4F+/X9DRW-3TF+
[5688990.690312] Modules linked in: vzethdev pio_kaio pio_nfs pio_direct pfmt_raw pfmt_ploop1 ploop simfs vzrst vzcpt nfs lockd fscache auth_rpcgss nfs_acl sunrpc vziolimit vzdquota ip6t_REJECT ip6table_mangle ip6table_filter ip6_tables nf_nat_irc xt_conntrack xt_recent xt_helper nf_conntrack_irc ipt_REDIRECT xt_owner nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat xt_state xt_length xt_hl xt_tcpmss xt_TCPMSS iptable_mangle iptable_filter xt_multiport xt_limit nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ipt_LOG xt_DSCP xt_dscp ipt_REJECT ip_tables vzevent vznetdev vzmon vzdev ipv6 ipmi_devintf ipmi_si ipmi_msghandler acpi_pad microcode ixgbe mdio iTCO_wdt iTCO_vendor_support igb dca i2c_algo_bit ptp pps_core joydev serio_raw sb_edac edac_core i2c_i801 i2c_core sg lpc_ich mfd_core shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom megaraid_sas ahci wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
[5688990.692225] Pid: 192334, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5688990.692488] Call Trace:
[5688990.692624] [<ffffffff8107e571>] ? warn_slowpath_common+0x91/0xe0
[5688990.692768] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5688990.692907] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5688990.693052] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5688990.693191] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5688990.693330] [<ffffffff811ba935>] ? fput+0x25/0x30
[5688990.693467] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5688990.693605] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5688990.693743] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5688990.693883] ---[ end trace 9473d6803f65799d ]---
[5688990.694018] Tainting kernel with flag 0x9
[5688990.694159] Pid: 192334, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5688990.694424] Call Trace:
[5688990.694559] [<ffffffff8107e3d1>] ? add_taint+0x71/0x80
[5688990.694695] [<ffffffff8107e57e>] ? warn_slowpath_common+0x9e/0xe0
[5688990.694835] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5688990.694975] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5688990.695118] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5688990.695251] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5688990.695386] [<ffffffff811ba935>] ? fput+0x25/0x30
[5688990.695519] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5688990.695653] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5688990.695788] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5689036.980192] ------------[ cut here ]------------
[5689036.980353] WARNING: at fs/dcache.c:943 d_delete+0x221/0x280() (Tainted: G W -- ------------ )
[5689036.980609] Hardware name: X9DRW-3LN4F+/X9DRW-3TF+
[5689036.980738] Modules linked in: vzethdev pio_kaio pio_nfs pio_direct pfmt_raw pfmt_ploop1 ploop simfs vzrst vzcpt nfs lockd fscache auth_rpcgss nfs_acl sunrpc vziolimit vzdquota ip6t_REJECT ip6table_mangle ip6table_filter ip6_tables nf_nat_irc xt_conntrack xt_recent xt_helper nf_conntrack_irc ipt_REDIRECT xt_owner nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat xt_state xt_length xt_hl xt_tcpmss xt_TCPMSS iptable_mangle iptable_filter xt_multiport xt_limit nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ipt_LOG xt_DSCP xt_dscp ipt_REJECT ip_tables vzevent vznetdev vzmon vzdev ipv6 ipmi_devintf ipmi_si ipmi_msghandler acpi_pad microcode ixgbe mdio iTCO_wdt iTCO_vendor_support igb dca i2c_algo_bit ptp pps_core joydev serio_raw sb_edac edac_core i2c_i801 i2c_core sg lpc_ich mfd_core shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom megaraid_sas ahci wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
[5689036.982583] Pid: 546820, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5689036.982840] Call Trace:
[5689036.982971] [<ffffffff8107e571>] ? warn_slowpath_common+0x91/0xe0
[5689036.983107] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5689036.983248] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5689036.983383] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5689036.983517] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5689036.983650] [<ffffffff811ba935>] ? fput+0x25/0x30
[5689036.983780] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5689036.983911] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5689036.984046] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5689036.984179] ---[ end trace 9473d6803f65799e ]---
[5689036.984322] Tainting kernel with flag 0x9
[5689036.984451] Pid: 546820, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5689036.984706] Call Trace:
[5689036.984835] [<ffffffff8107e3d1>] ? add_taint+0x71/0x80
[5689036.984967] [<ffffffff8107e57e>] ? warn_slowpath_common+0x9e/0xe0
[5689036.985102] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5689036.985245] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5689036.985378] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5689036.985509] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5689036.985641] [<ffffffff811ba935>] ? fput+0x25/0x30
[5689036.985771] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5689036.985902] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5689036.986034] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5689056.178299] ------------[ cut here ]------------
[5689056.178436] WARNING: at fs/dcache.c:943 d_delete+0x221/0x280() (Tainted: G W -- ------------ )
[5689056.178684] Hardware name: X9DRW-3LN4F+/X9DRW-3TF+
[5689056.178810] Modules linked in: vzethdev pio_kaio pio_nfs pio_direct pfmt_raw pfmt_ploop1 ploop simfs vzrst vzcpt nfs lockd fscache auth_rpcgss nfs_acl sunrpc vziolimit vzdquota ip6t_REJECT ip6table_mangle ip6table_filter ip6_tables nf_nat_irc xt_conntrack xt_recent xt_helper nf_conntrack_irc ipt_REDIRECT xt_owner nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat xt_state xt_length xt_hl xt_tcpmss xt_TCPMSS iptable_mangle iptable_filter xt_multiport xt_limit nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ipt_LOG xt_DSCP xt_dscp ipt_REJECT ip_tables vzevent vznetdev vzmon vzdev ipv6 ipmi_devintf ipmi_si ipmi_msghandler acpi_pad microcode ixgbe mdio iTCO_wdt iTCO_vendor_support igb dca i2c_algo_bit ptp pps_core joydev serio_raw sb_edac edac_core i2c_i801 i2c_core sg lpc_ich mfd_core shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom megaraid_sas ahci wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
[5689056.180567] Pid: 192334, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5689056.180807] Call Trace:
[5689056.180927] [<ffffffff8107e571>] ? warn_slowpath_common+0x91/0xe0
[5689056.181054] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5689056.181186] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5689056.181310] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5689056.181434] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5689056.181560] [<ffffffff811ba935>] ? fput+0x25/0x30
[5689056.181686] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5689056.181813] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5689056.181942] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5689056.182070] ---[ end trace 9473d6803f65799f ]---
[5689056.182204] Tainting kernel with flag 0x9
[5689056.182336] Pid: 192334, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5689056.182583] Call Trace:
[5689056.182708] [<ffffffff8107e3d1>] ? add_taint+0x71/0x80
[5689056.182835] [<ffffffff8107e57e>] ? warn_slowpath_common+0x9e/0xe0
[5689056.182967] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5689056.183095] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5689056.183231] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5689056.183371] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5689056.183502] [<ffffffff811ba935>] ? fput+0x25/0x30
[5689056.183632] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5689056.183762] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5689056.183893] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
{code}
>How reproducible:
Can't find a way to reproduce for now but the trace is always on the same CT (148).
>Actual results:
Call Trace in dmesg.
>Expected results:
Clean dmesg.
>Host OS:
CentOS 6.8 - 2.6.32-042stab116.2
>Guest OS:
CentOS 6.8
Every week or so, I have the following Call Trace on the host. It doesn't crash the system. I currently have it on 116.2 but I also had it on 113.x and probably before.
{code}
[5605895.952481] ------------[ cut here ]------------
[5605895.952611] WARNING: at fs/dcache.c:943 d_delete+0x221/0x280() (Tainted: G W -- ------------ )
[5605895.952847] Hardware name: X9DRW-3LN4F+/X9DRW-3TF+
[5605895.952967] Modules linked in: vzethdev pio_kaio pio_nfs pio_direct pfmt_raw pfmt_ploop1 ploop simfs vzrst vzcpt nfs lockd fscache auth_rpcgss nfs_acl sunrpc vziolimit vzdquota ip6t_REJECT ip6table_mangle ip6table_filter ip6_tables nf_nat_irc xt_conntrack xt_recent xt_helper nf_conntrack_irc ipt_REDIRECT xt_owner nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat xt_state xt_length xt_hl xt_tcpmss xt_TCPMSS iptable_mangle iptable_filter xt_multiport xt_limit nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ipt_LOG xt_DSCP xt_dscp ipt_REJECT ip_tables vzevent vznetdev vzmon vzdev ipv6 ipmi_devintf ipmi_si ipmi_msghandler acpi_pad microcode ixgbe mdio iTCO_wdt iTCO_vendor_support igb dca i2c_algo_bit ptp pps_core joydev serio_raw sb_edac edac_core i2c_i801 i2c_core sg lpc_ich mfd_core shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom megaraid_sas ahci wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
[5605895.954665] Pid: 754427, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5605895.954913] Call Trace:
[5605895.955036] [<ffffffff8107e571>] ? warn_slowpath_common+0x91/0xe0
[5605895.955170] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5605895.955299] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5605895.955430] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5605895.955560] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5605895.955688] [<ffffffff811ba935>] ? fput+0x25/0x30
[5605895.955814] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5605895.955941] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5605895.956074] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5605895.956203] ---[ end trace 9473d6803f65799b ]---
[5605895.956327] Tainting kernel with flag 0x9
[5605895.956453] Pid: 754427, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5605895.956701] Call Trace:
[5605895.956823] [<ffffffff8107e3d1>] ? add_taint+0x71/0x80
[5605895.956949] [<ffffffff8107e57e>] ? warn_slowpath_common+0x9e/0xe0
[5605895.957083] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5605895.957212] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5605895.957339] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5605895.957466] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5605895.957593] [<ffffffff811ba935>] ? fput+0x25/0x30
[5605895.957721] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5605895.957847] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5605895.957974] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5605950.411565] ------------[ cut here ]------------
[5605950.411701] WARNING: at fs/dcache.c:943 d_delete+0x221/0x280() (Tainted: G W -- ------------ )
[5605950.411959] Hardware name: X9DRW-3LN4F+/X9DRW-3TF+
[5605950.412087] Modules linked in: vzethdev pio_kaio pio_nfs pio_direct pfmt_raw pfmt_ploop1 ploop simfs vzrst vzcpt nfs lockd fscache auth_rpcgss nfs_acl sunrpc vziolimit vzdquota ip6t_REJECT ip6table_mangle ip6table_filter ip6_tables nf_nat_irc xt_conntrack xt_recent xt_helper nf_conntrack_irc ipt_REDIRECT xt_owner nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat xt_state xt_length xt_hl xt_tcpmss xt_TCPMSS iptable_mangle iptable_filter xt_multiport xt_limit nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ipt_LOG xt_DSCP xt_dscp ipt_REJECT ip_tables vzevent vznetdev vzmon vzdev ipv6 ipmi_devintf ipmi_si ipmi_msghandler acpi_pad microcode ixgbe mdio iTCO_wdt iTCO_vendor_support igb dca i2c_algo_bit ptp pps_core joydev serio_raw sb_edac edac_core i2c_i801 i2c_core sg lpc_ich mfd_core shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom megaraid_sas ahci wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
[5605950.413758] Pid: 911766, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5605950.414002] Call Trace:
[5605950.414124] [<ffffffff8107e571>] ? warn_slowpath_common+0x91/0xe0
[5605950.414250] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5605950.414373] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5605950.414498] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5605950.414627] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5605950.414757] [<ffffffff811ba935>] ? fput+0x25/0x30
[5605950.414888] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5605950.415016] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5605950.415142] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5605950.415271] ---[ end trace 9473d6803f65799c ]---
[5605950.415397] Tainting kernel with flag 0x9
[5605950.415521] Pid: 911766, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5605950.418410] Call Trace:
[5605950.418536] [<ffffffff8107e3d1>] ? add_taint+0x71/0x80
[5605950.418664] [<ffffffff8107e57e>] ? warn_slowpath_common+0x9e/0xe0
[5605950.418794] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5605950.418929] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5605950.419059] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5605950.419187] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5605950.419314] [<ffffffff811ba935>] ? fput+0x25/0x30
[5605950.419439] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5605950.419564] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5605950.419692] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5688990.689743] ------------[ cut here ]------------
[5688990.689894] WARNING: at fs/dcache.c:943 d_delete+0x221/0x280() (Tainted: G W -- ------------ )
[5688990.690174] Hardware name: X9DRW-3LN4F+/X9DRW-3TF+
[5688990.690312] Modules linked in: vzethdev pio_kaio pio_nfs pio_direct pfmt_raw pfmt_ploop1 ploop simfs vzrst vzcpt nfs lockd fscache auth_rpcgss nfs_acl sunrpc vziolimit vzdquota ip6t_REJECT ip6table_mangle ip6table_filter ip6_tables nf_nat_irc xt_conntrack xt_recent xt_helper nf_conntrack_irc ipt_REDIRECT xt_owner nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat xt_state xt_length xt_hl xt_tcpmss xt_TCPMSS iptable_mangle iptable_filter xt_multiport xt_limit nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ipt_LOG xt_DSCP xt_dscp ipt_REJECT ip_tables vzevent vznetdev vzmon vzdev ipv6 ipmi_devintf ipmi_si ipmi_msghandler acpi_pad microcode ixgbe mdio iTCO_wdt iTCO_vendor_support igb dca i2c_algo_bit ptp pps_core joydev serio_raw sb_edac edac_core i2c_i801 i2c_core sg lpc_ich mfd_core shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom megaraid_sas ahci wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
[5688990.692225] Pid: 192334, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5688990.692488] Call Trace:
[5688990.692624] [<ffffffff8107e571>] ? warn_slowpath_common+0x91/0xe0
[5688990.692768] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5688990.692907] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5688990.693052] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5688990.693191] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5688990.693330] [<ffffffff811ba935>] ? fput+0x25/0x30
[5688990.693467] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5688990.693605] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5688990.693743] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5688990.693883] ---[ end trace 9473d6803f65799d ]---
[5688990.694018] Tainting kernel with flag 0x9
[5688990.694159] Pid: 192334, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5688990.694424] Call Trace:
[5688990.694559] [<ffffffff8107e3d1>] ? add_taint+0x71/0x80
[5688990.694695] [<ffffffff8107e57e>] ? warn_slowpath_common+0x9e/0xe0
[5688990.694835] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5688990.694975] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5688990.695118] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5688990.695251] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5688990.695386] [<ffffffff811ba935>] ? fput+0x25/0x30
[5688990.695519] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5688990.695653] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5688990.695788] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5689036.980192] ------------[ cut here ]------------
[5689036.980353] WARNING: at fs/dcache.c:943 d_delete+0x221/0x280() (Tainted: G W -- ------------ )
[5689036.980609] Hardware name: X9DRW-3LN4F+/X9DRW-3TF+
[5689036.980738] Modules linked in: vzethdev pio_kaio pio_nfs pio_direct pfmt_raw pfmt_ploop1 ploop simfs vzrst vzcpt nfs lockd fscache auth_rpcgss nfs_acl sunrpc vziolimit vzdquota ip6t_REJECT ip6table_mangle ip6table_filter ip6_tables nf_nat_irc xt_conntrack xt_recent xt_helper nf_conntrack_irc ipt_REDIRECT xt_owner nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat xt_state xt_length xt_hl xt_tcpmss xt_TCPMSS iptable_mangle iptable_filter xt_multiport xt_limit nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ipt_LOG xt_DSCP xt_dscp ipt_REJECT ip_tables vzevent vznetdev vzmon vzdev ipv6 ipmi_devintf ipmi_si ipmi_msghandler acpi_pad microcode ixgbe mdio iTCO_wdt iTCO_vendor_support igb dca i2c_algo_bit ptp pps_core joydev serio_raw sb_edac edac_core i2c_i801 i2c_core sg lpc_ich mfd_core shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom megaraid_sas ahci wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
[5689036.982583] Pid: 546820, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5689036.982840] Call Trace:
[5689036.982971] [<ffffffff8107e571>] ? warn_slowpath_common+0x91/0xe0
[5689036.983107] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5689036.983248] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5689036.983383] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5689036.983517] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5689036.983650] [<ffffffff811ba935>] ? fput+0x25/0x30
[5689036.983780] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5689036.983911] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5689036.984046] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5689036.984179] ---[ end trace 9473d6803f65799e ]---
[5689036.984322] Tainting kernel with flag 0x9
[5689036.984451] Pid: 546820, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5689036.984706] Call Trace:
[5689036.984835] [<ffffffff8107e3d1>] ? add_taint+0x71/0x80
[5689036.984967] [<ffffffff8107e57e>] ? warn_slowpath_common+0x9e/0xe0
[5689036.985102] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5689036.985245] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5689036.985378] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5689036.985509] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5689036.985641] [<ffffffff811ba935>] ? fput+0x25/0x30
[5689036.985771] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5689036.985902] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5689036.986034] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5689056.178299] ------------[ cut here ]------------
[5689056.178436] WARNING: at fs/dcache.c:943 d_delete+0x221/0x280() (Tainted: G W -- ------------ )
[5689056.178684] Hardware name: X9DRW-3LN4F+/X9DRW-3TF+
[5689056.178810] Modules linked in: vzethdev pio_kaio pio_nfs pio_direct pfmt_raw pfmt_ploop1 ploop simfs vzrst vzcpt nfs lockd fscache auth_rpcgss nfs_acl sunrpc vziolimit vzdquota ip6t_REJECT ip6table_mangle ip6table_filter ip6_tables nf_nat_irc xt_conntrack xt_recent xt_helper nf_conntrack_irc ipt_REDIRECT xt_owner nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat xt_state xt_length xt_hl xt_tcpmss xt_TCPMSS iptable_mangle iptable_filter xt_multiport xt_limit nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ipt_LOG xt_DSCP xt_dscp ipt_REJECT ip_tables vzevent vznetdev vzmon vzdev ipv6 ipmi_devintf ipmi_si ipmi_msghandler acpi_pad microcode ixgbe mdio iTCO_wdt iTCO_vendor_support igb dca i2c_algo_bit ptp pps_core joydev serio_raw sb_edac edac_core i2c_i801 i2c_core sg lpc_ich mfd_core shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom megaraid_sas ahci wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
[5689056.180567] Pid: 192334, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5689056.180807] Call Trace:
[5689056.180927] [<ffffffff8107e571>] ? warn_slowpath_common+0x91/0xe0
[5689056.181054] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5689056.181186] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5689056.181310] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5689056.181434] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5689056.181560] [<ffffffff811ba935>] ? fput+0x25/0x30
[5689056.181686] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5689056.181813] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5689056.181942] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
[5689056.182070] ---[ end trace 9473d6803f65799f ]---
[5689056.182204] Tainting kernel with flag 0x9
[5689056.182336] Pid: 192334, comm: php-fpm veid: 148 Tainted: G W -- ------------ 2.6.32-042stab116.2 #1
[5689056.182583] Call Trace:
[5689056.182708] [<ffffffff8107e3d1>] ? add_taint+0x71/0x80
[5689056.182835] [<ffffffff8107e57e>] ? warn_slowpath_common+0x9e/0xe0
[5689056.182967] [<ffffffff8107e5da>] ? warn_slowpath_null+0x1a/0x20
[5689056.183095] [<ffffffff811d6761>] ? d_delete+0x221/0x280
[5689056.183231] [<ffffffff811c83d9>] ? vfs_rmdir+0xd9/0xe0
[5689056.183371] [<ffffffff811cb7e4>] ? do_rmdir+0x184/0x1f0
[5689056.183502] [<ffffffff811ba935>] ? fput+0x25/0x30
[5689056.183632] [<ffffffff811b508d>] ? filp_close+0x5d/0x90
[5689056.183762] [<ffffffff811cb8a6>] ? sys_rmdir+0x16/0x20
[5689056.183893] [<ffffffff8100b1a2>] ? system_call_fastpath+0x16/0x1b
{code}
>How reproducible:
Can't find a way to reproduce for now but the trace is always on the same CT (148).
>Actual results:
Call Trace in dmesg.
>Expected results:
Clean dmesg.
>Host OS:
CentOS 6.8 - 2.6.32-042stab116.2
>Guest OS:
CentOS 6.8
