A fix is available
APAR status
Closed as program error.
Error description
System may hang with at least one thread having the stacktrace ending with: [000E47F8]e_block_thread+000298 () [000E5368]e_sleep_thread+0000E8 (??, ??, ??) [002B3070]seCOW+000690 (??, ??) The waited for nssd structure should have the flag word with valus 1 ( = SSD_FREE): (0)> j2ssd @r17 | grep flag flag........0x00000001 There may be other threads also in seCOW, but they should all be waiting earlier in code: [000E47F8]e_block_thread+000298 () [002B2F14]seCOW+000534 (??, ??)
Local fix
N/A
Problem summary
System slowly comes to a hang when using external snapshots.
Problem conclusion
change locking serialization.
Temporary fix
Comments
6100-07 - use AIX APAR IV56161 6100-08 - use AIX APAR IV54634 6100-09 - use AIX APAR IV55386 6100-09 - use AIX APAR IV55386 6100-09 - use AIX APAR IV55386 7100-01 - use AIX APAR IV57487 7100-02 - use AIX APAR IV56226 7100-03 - use AIX APAR IV55382 7100-04 - use AIX APAR IV55457
APAR Information
APAR number
IV57487
Reported component name
AIX V7.1
Reported component ID
5765H4000
Reported release
710
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2014-03-26
Closed date
2014-03-26
Last modified date
2016-05-10
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 U861815
UP14/08/12 I 1000
PTF to Fileset Mapping
U861815 bos.mp64 7.1.1.21
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Document Information
Modified date:
10 May 2016