A fix is available
APAR status
Closed as program error.
Error description
The system could crash when librrhba and entstat call rrhba_hw_uninitialize at the same time on an unconfigured ct3 network adapter which also is in error state. The crash stack looks like; [00009324].unlock_enable_mem+000018 () [041D3600]mi1_ext_write+000120 (??, ??, ??, ??, ??) [041DD7B8]ael1002_power_down+000038 (??, ??) [041D731C]t3_prep_adapter+0004FC (??, ??, ??) [041CAD28]rrhba_uninit_adapter+000108 (??) [041CBB6C]rrhba_hw_uninitialize+00010C (??, ??) [041FEDC0]rrhba_qset_stop+0001C0 (??, ??, ??) [04348BB8]librrhba_qset_stop+000198 (??, ??, ??) [04348310]librrhba_stop+000230 (??, ??) [0435BB44]rrent_close+000464 (??) [00480408]ns_free+000088 (??) [00480698]ndd_usrreq+0001B8 (??, ??, ??, ??, ??) [004DC96C]soclose2+00028C (??, ??) [004DE550]soclose+000010 (??) [004E8C34]soo_close+000294 (??) [00647E5C]closef+00005C (??) [0055D530]closefd+000150 (??, ??) [0055D8E4]closex+000304 (??, ??) [0055DB5C]close+00011C (??) [00003850]ovlya_addr_sc_flih_main+000130 ()
Local fix
Remove unconfigured ct3 network adapter
Problem summary
System crash with similar stack: 00009324 .unlock_enable_mem+000018 () 041D3600 mi1_ext_write+000120 (??, ??, ??, ??, ??) 041DD7B8 ael1002_power_down+000038 (??, ??) 041D731C t3_prep_adapter+0004FC (??, ??, ??) 041CAD28 rrhba_uninit_adapter+000108 (??) 041CBB6C rrhba_hw_uninitialize+00010C (??, ??) 041FEDC0 rrhba_qset_stop+0001C0 (??, ??, ??) 04348BB8 librrhba_qset_stop+000198 (??, ??, ??) 04348310 librrhba_stop+000230 (??, ??) 0435BB44 rrent_close+000464 (??) 00480408 ns_free+000088 (??) 00480698 ndd_usrreq+0001B8 (??, ??, ??, ??, ??) 004DC96C soclose2+00028C (??, ??) 004DE550 soclose+000010 (??) 004E8C34 soo_close+000294 (??) 00647E5C closef+00005C (??) 0055D530 closefd+000150 (??, ??) 0055D8E4 closex+000304 (??, ??) 0055DB5C close+00011C (??) 00003850 ovlya_addr_sc_flih_main+000130 ()
Problem conclusion
Driver code is modified to fix synchronize between close function and error notify thread.
Temporary fix
Comments
6100-08 - use AIX APAR IV62764 6100-09 - use AIX APAR IV66115 7100-02 - use AIX APAR IV69648 7100-03 - use AIX APAR IV66133
APAR Information
APAR number
IV66133
Reported component name
AIX V7.1
Reported component ID
5765H4000
Reported release
710
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2014-10-20
Closed date
2014-10-20
Last modified date
2015-09-30
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 U865736
UP15/05/19 I 1000
PTF to Fileset Mapping
U865736 devices.ethernet.ct3.cdli 7.1.3.45
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Document Information
Modified date:
30 September 2015