A fix is available
APAR status
Closed as program error.
Error description
A crash like the following: (1)> f pvthread+020100 STACK: WARNING: bad IAR: 03FE9D28, display stack from LR: 03FE51F4 [03FE51F4]qlfc_get_adap_stat@AF45_15+000058 (F10001001EF7D000, 0000000000000001, 0000000000000000 [??]) [03FE1B50]qlfc_get_adap_stat+000028 (??, ??) [03FE26DC]qlfc_ctl+0004B8 (??, ??, ??, ??) [040523E0]qlfsc_get_adap_stat+000078 (??, ??) [04051E78]qlfsc_common_hba+000118 (??, ??, ??) [0405CAB0].qlfsc_alloc_spc_cmd_buf+000530 () [003F68C0]rdevioctl+0000C8 (??, ??, ??, ??, ??, ??) [004CF01C]spec_ioctl+000078 (??, ??, ??, ??, ??, ??) [0040C27C]vnop_ioctl+000068 (??, ??, ??, ??, ??, ??) [0044E610]vno_ioctl+000084 (??, ??, ??, ??, ??) [00466630]common_ioctl+0000C0 (??, ??, ??, ??) [00003810].svc_instr+000110 () [kdb_get_memory] no real storage @ 2FF213A0 [D035FC50]D035FC50 ()
Local fix
N/A
Problem summary
A crash with a stack like the following: (1)> f pvthread+020100 STACK: WARNING: bad IAR: 03FE9D28, display stack from LR: 03FE51F4 03FE51F4 qlfc_get_adap_stat@AF45_15+000058 (F10001001EF7D000, 0000000000000001, 0000000000000000 ?? ) 03FE1B50 qlfc_get_adap_stat+000028 (??, ??) 03FE26DC qlfc_ctl+0004B8 (??, ??, ??, ??) 040523E0 qlfsc_get_adap_stat+000078 (??, ??) 04051E78 qlfsc_common_hba+000118 (??, ??, ??) 0405CAB0 .qlfsc_alloc_spc_cmd_buf+000530 () 003F68C0 rdevioctl+0000C8 (??, ??, ??, ??, ??, ??) 004CF01C spec_ioctl+000078 (??, ??, ??, ??, ??, ??) 0040C27C vnop_ioctl+000068 (??, ??, ??, ??, ??, ??) 0044E610 vno_ioctl+000084 (??, ??, ??, ??, ??) 00466630 common_ioctl+0000C0 (??, ??, ??, ??) 00003810 .svc_instr+000110 () kdb_get_memory no real storage @ 2FF213A0 D035FC50 D035FC50 ()
Problem conclusion
QLogic FC driver code fixed so that the code that is called when interrupts are disabled is pinned in memory.
Temporary fix
Comments
5300-11 - use AIX APAR IZ79265 5300-12 - use AIX APAR IZ81643 6100-04 - use AIX APAR IZ88125 6100-05 - use AIX APAR IZ88115 6100-06 - use AIX APAR IZ87799 6100-06 - use AIX APAR IZ81109 7100-00 - use AIX APAR IZ82077
APAR Information
APAR number
IZ79265
Reported component name
AIX 5.3
Reported component ID
5765G0300
Reported release
530
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2010-07-07
Closed date
2010-07-21
Last modified date
2013-04-17
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 5.3
Fixed component ID
5765G0300
Applicable component levels
R530 PSY U837669
UP10/09/20 I 1000
PTF to Fileset Mapping
U837669 devices.pci.77102224.com 5.3.11.5
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Document Information
Modified date:
17 April 2013