PowerPath 6.1 verursacht ASMlib-Fehler beim Start

Summary: Während des Startvorgangs meldet die Automatic Storage Management Library (ASMlib) doppelte sysfs- und kobject_add_internal-EEXIST-Stack-Traces. Bei einem Off-by-Problem in PowerPath 6.1 wird dieselbe Partition zweimal registriert. ...

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Symptoms

Beim Starten mit Oracle ASMlib wird möglicherweise die folgende Meldung angezeigt.

Scanning the system form Oracle ASMLib disks : kobject_add_internal failed for sdX1 with --EEXIST, don’t try and register things with the same name in the same directory.
sdX: p1 could not be added: 17"
Fehler beim Scannen des Systems

In den Meldungen sehen Sie einen ähnlichen Stapel.

Feb 4 14:05:28 linux21758 kernel: -----------[ cut here ]-----------
Feb 4 14:05:28 linux21758 kernel: WARNING: at fs/sysfs/dir.c:512 sysfs_add_one+0xb8/0xd0() (Tainted: P   ------------ )
Feb 4 14:05:28 linux21758 kernel: Hardware name: ProLiant DL385 G1
Feb 4 14:05:28 linux21758 kernel: sysfs: cannot create duplicate filename '/devices/pci0000:04/0000:04:09.0/0000:05:08.0/host2/rport-2:0-1/target2:0:1/2:0:1:5/block/sdv/sdv1'
Feb 4 14:05:28 linux21758 kernel: Modules linked in: oracleasm(U) autofs4 8021q garp stp llc cpufreq_ondemand powernow_k8 freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 emcpdm(P)(U) emcpgpx(P)(U) emcpmpx(P)(U) emcp(P)(U) vhost_net macvtap macvlan tun uinput microcode tg3 ptp pps_core joydev hpilo hpwdt sg k8temp amd64_edac_mod edac_core edac_mce_amd i2c_amd756 i2c_core amd_rng shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom cciss qla2xxx scsi_transport_fc scsi_tgt pata_acpi ata_generic pata_amd dm_mirror dm_region_hash dm_log dm_mod [last unloaded: emcpioc]
Feb 4 14:05:28 linux21758 kernel: Pid: 1867, comm: MpxTestDaemon Tainted: P   ------------ 2.6.32-642.el6.x86_64 #1
Feb 4 14:05:28 linux21758 kernel: Call Trace:
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8107c911>] ? warn_slowpath_common+0x91/0xe0
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8107ca16>] ? warn_slowpath_fmt+0x46/0x60
Feb 4 14:05:28 linux21758 kernel: [<ffffffff81219388>] ? sysfs_add_one+0xb8/0xd0
Feb 4 14:05:28 linux21758 kernel: [<ffffffff81219408>] ? create_dir+0x68/0xb0
Feb 4 14:05:28 linux21758 kernel: [<ffffffff81219489>] ? sysfs_create_dir+0x39/0x50
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8129bc39>] ? kobject_add_internal+0xb9/0x260
Feb 4 14:05:28 linux21758 kernel: [<ffffffff81187004>] ? pcpu_alloc_area+0x234/0x350
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8129bee8>] ? kobject_add_varg+0x38/0x60
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8129bfc4>] ? kobject_add+0x44/0x70
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8129ba6a>] ? kobject_get+0x1a/0x30
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8137d699>] ? device_add+0xc9/0x650
Feb 4 14:05:28 linux21758 kernel: [<ffffffff81387112>] ? pm_runtime_init+0xd2/0xe0
Feb 4 14:05:28 linux21758 kernel: [<ffffffff81212f16>] ? add_partition+0x206/0x320
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa02e31e6>] ? emcpInitPartitions+0xf6/0x100 [emcp]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa02e335f>] ? emcpFixupPartitionTables+0x16f/0x180 [emcp]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa0463612>] ? MpxLnxCleanup+0x232/0x5a0 [emcpmpx]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa047388e>] ? MpxIodoneUp+0x1fe/0x730 [emcpmpx]
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8106c732>] ? default_wake_function+0x12/0x20
Feb 4 14:05:28 linux21758 kernel: [<ffffffff810a6ad6>] ? autoremove_wake_function+0x16/0x40
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8105ed99>] ? __wake_up_common+0x59/0x90
Feb 4 14:05:28 linux21758 kernel: [<ffffffff810635d3>] ? __wake_up+0x53/0x70
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa02e0394>] ? PowerPutSema+0x54/0x80 [emcp]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa048ba28>] ? MpxTestDaemonCalloutGuts+0x258/0x460 [emcpmpx]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa048bc30>] ? MpxTestDaemonCallout+0x0/0x10 [emcpmpx]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa02e45e0>] ? PxDestroyDaemonThreadCallout+0x0/0x70 [emcp]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa048bc3e>] ? MpxTestDaemonCallout+0xe/0x10 [emcpmpx]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa02ea1a2>] ? PowerServiceDaemonQ+0x62/0xf0 [emcp]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa02ea24e>] ? PowerDaemonStart+0x1e/0x30 [emcp]
Feb 4 14:05:28 linux21758 kernel: [<ffffffff810743fa>] ? schedule_tail+0x2a/0xb0
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8100c28a>] ? child_rip+0xa/0x20
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa02ea230>] ? PowerDaemonStart+0x0/0x30 [emcp]
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8100c280>] ? child_rip+0x0/0x20
Feb 4 14:05:28 linux21758 kernel: --[ end trace 7738f94320d4cae7 ]--
Feb 4 14:05:28 linux21758 kernel: kobject_add_internal failed for sdv1 with -EEXIST, don't try to register things with the same name in the same directory.
Feb 4 14:05:28 linux21758 kernel: Pid: 1867, comm: MpxTestDaemon Tainted: P W   ------------ 2.6.32-642.el6.x86_64 #1
Feb 4 14:05:28 linux21758 kernel: Call Trace:
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8129bcdd>] ? kobject_add_internal+0x15d/0x260
Feb 4 14:05:28 linux21758 kernel: [<ffffffff81187004>] ? pcpu_alloc_area+0x234/0x350
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8129bee8>] ? kobject_add_varg+0x38/0x60
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8129bfc4>] ? kobject_add+0x44/0x70
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8129ba6a>] ? kobject_get+0x1a/0x30
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8137d699>] ? device_add+0xc9/0x650
Feb 4 14:05:28 linux21758 kernel: [<ffffffff81387112>] ? pm_runtime_init+0xd2/0xe0
Feb 4 14:05:28 linux21758 kernel: [<ffffffff81212f16>] ? add_partition+0x206/0x320
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa02e31e6>] ? emcpInitPartitions+0xf6/0x100 [emcp]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa02e335f>] ? emcpFixupPartitionTables+0x16f/0x180 [emcp]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa0463612>] ? MpxLnxCleanup+0x232/0x5a0 [emcpmpx]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa047388e>] ? MpxIodoneUp+0x1fe/0x730 [emcpmpx]
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8106c732>] ? default_wake_function+0x12/0x20
Feb 4 14:05:28 linux21758 kernel: [<ffffffff810a6ad6>] ? autoremove_wake_function+0x16/0x40
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8105ed99>] ? __wake_up_common+0x59/0x90
Feb 4 14:05:28 linux21758 kernel: [<ffffffff810635d3>] ? __wake_up+0x53/0x70
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa02e0394>] ? PowerPutSema+0x54/0x80 [emcp]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa048ba28>] ? MpxTestDaemonCalloutGuts+0x258/0x460 [emcpmpx]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa048bc30>] ? MpxTestDaemonCallout+0x0/0x10 [emcpmpx]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa02e45e0>] ? PxDestroyDaemonThreadCallout+0x0/0x70 [emcp]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa048bc3e>] ? MpxTestDaemonCallout+0xe/0x10 [emcpmpx]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa02ea1a2>] ? PowerServiceDaemonQ+0x62/0xf0 [emcp]
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa02ea24e>] ? PowerDaemonStart+0x1e/0x30 [emcp]
Feb 4 14:05:28 linux21758 kernel: [<ffffffff810743fa>] ? schedule_tail+0x2a/0xb0
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8100c28a>] ? child_rip+0xa/0x20
Feb 4 14:05:28 linux21758 kernel: [<ffffffffa02ea230>] ? PowerDaemonStart+0x0/0x30 [emcp]
Feb 4 14:05:28 linux21758 kernel: [<ffffffff8100c280>] ? child_rip+0x0/0x20
Feb 4 14:05:28 linux21758 kernel: emcpowerf: emcpowerf1

 

Cause

Es ist ein Fehler im PowerPath-Code aufgetreten, bei dem versucht wird, die Partition zweimal mit verschiedenen Threads hinzuzufügen.

In dieser Situation sollte es keine Auswirkungen auf den Host geben, aber der Stapel und die Meldung werden angezeigt.

 

Resolution

Die Korrektur wird in PowerPath 6.2 GA-Version enthalten sein.

 

Proprietăți articol
Article Number: 000167442
Article Type: Solution
Ultima modificare: 05 feb. 2026
Version:  4
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