A fix is available
APAR status
Closed as program error.
Error description
This is a rare situation and does not happen during a regular Filesystem operation. The Filesystem was put into degraded mode. Next time when sync runs it will try to recover the Filesystem This thread is the owner of the lock and waiting for same lock while holding it. (0)> f 74 pvthread+004A00 STACK: [00572DD4]complex_lock_sleep_ppc+0001D4 (00000000000E46B8, 8000000000001032, 0000000082004224, F000000030080340 [??]) [00574D40]lock_write_ppc+0001A0 (??) [002D7AF8]recoverFS+0004D8 (??) <== Here we are waiting for i_rdwrlock [002D7E60]iRecoverAll+0000E0 () <=== has the J2_LOCK which all other threads are waiting for [002D94D0]j2_syncvfs@AF50_13+0001B0 (??, ??, ??, ??, ??) [005CD8E4]vfs_syncvfs+000044 (??, ??, ??, ??) [0069CD24]syncvfs+000244 (??, ??) [00003888]mfspurr_sc_flih01+0000E4 () [kdb_get_virtual_memory] no real storage @ 20081AC8 [100006D0]100006D0 () [kdb_read_mem] no real storage @ FFFFFFFFFFF9090
Local fix
Problem summary
This is a rare situation and does not happen during a regular Filesystem operation. The Filesystem was put into degraded mode. Next time when sync runs it will try to recover the Filesystem. This thread is the owner of the lock and waiting for same lock while holding it.
Problem conclusion
Ensure proper handling of ipmnt->i_iplog lock/unlock sequence.
Temporary fix
Comments
6100-08 - use AIX APAR IV50714 6100-09 - use AIX APAR IV51903 6100-09 - use AIX APAR IV51903 6100-09 - use AIX APAR IV51903 7100-02 - use AIX APAR IV56927 7100-03 - use AIX APAR IV51478
APAR Information
APAR number
IV51478
Reported component name
AIX V7.1
Reported component ID
5765H4000
Reported release
710
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2013-10-30
Closed date
2013-10-30
Last modified date
2014-08-14
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
AIX V7.1
Fixed component ID
5765H4000
Applicable component levels
R710 PSY U858978
UP14/05/22 I 1000
PTF to Fileset Mapping
U858978 bos.mp64 7.1.3.15
[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11R","label":"AIX 7.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"","label":""}}]
Document Information
Modified date:
14 August 2014