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25sept/15

AIX Crash always on d_map_list_tce()

Problem

AIX 6100-04-05-1015 Crash always on d_map_list_tce() with with EMC Symmetrix FCP VRAID storage disk.

EMC.Symmetrix.aix.rte:5.3.0.5
EMC.Symmetrix.fcp.rte:5.3.0.5
EMCpower.base:5.3.1.1
EMCpower.encryption:5.3.1.1
EMCpower.migration_enabler:5.3.1.1
EMCpower.mpx:5.3.1.1

(3)> stack
pvthread+001B00 STACK:
[041C85A0]d_map_list_tce+000A40 (0000000000000000, 0000000000000000,F1000A0380145AF0, 0000000000001020, 0000000000000001 [??])
[04255138]04255138 ()
[0425A668]efc_start+000508 (??)
[04226D58]efc_intr+0001B8 (??)
[0024280C]i_poll_soft+00012C (??)
[00242180]i_softmod+000480 ()
[0013FB44]flih_util+000250 ()
 
(3)> dr iar
iar   : 00000000041C85A0
041C85A0      tweqi    r3,0                r3=0
 
(3)> lke 041C85A0
    ADDRESS          FILE             FILESIZE FLAGS    MODULE NAME
 
  1 F1000000A05F2500 041B0000 00030000 00080252 /usr/lib/drivers/pci/pci_busdd
 
(3)> symptom
Instruction:
PIDS/5765G6200 LVLS/610 PCSS/SPI1 MS/700 FLDS/d_map_lis VALU/e8610110 FLDS/04255138 VALU/342e6b64

Local Fix
Stop the replication between storage and DR site

IBM APAR
Not yet tested with replication

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