A fix is available
APAR status
Closed as program error.
Error description
When AME is enabled on a system, in some rare scenario LPAR may crash with the following stack NOTE: Lock instrumentation should be enabled too. [00009518].simple_lock+000018 () [001291D4]v_cbp_migrate_blk+000074 (??, ??, ??, ??, ??) [00069788]begfst+000128 () ____ Exception (F00000003019F600) ____ iar : 00000000000E5934 msr : 8000000000009032 cr : 82024404 lr : 000000000011B068 ctr : 000000000172DBB0 xer : 00000000 mq : 00000000 asr : 00000003484D4001 amr : FFFCFC3FFFFFFFFF r0 : 0000000088024488 r1 : 0FFFFFFFF417FCE0 r2 : 0000000002C05EF0 r3 : 0000000000067154 r4 : 8000000000009032 r5 : 00000000000000B0 r6 : F1000815B0170900 r7 : 0000000000000000 r8 : F1000F1D48046E40 r9 : 0000000000000001 r10 : 0000000000000000 r11 : 000000000270E628 r12 : FFFCFF3FFFFFFFFC r13 : F1000101509B5800 r14 : 00000000DEADBEEF r15 : 0000000000018030 r16 : 0000000001000085 r17 : 00000000510000F0 r18 : 0000000000000003 r19 : 00000000FFFEFBFF r20 : 0000000000000001 r21 : 0000000000000000 r22 : F1000101509B59C0 r23 : F00000002FF47600 r24 : 0000000000000000 r25 : F1000F0A00002C00 r26 : F1000F0A10003100 r27 : F1000107E0732400 r28 : F1000101509B5800 r29 : 0000000000000000 r30 : 0000000000000001 r31 : 0000000000000001 - vmlog information will be (5)> vmlog Most recent VMM errorlog entry Error id = DSI_PROC Exception DSISR/ISISR = 0000000040000000 Exception srval = 00007FFFFFFFD080 Exception virt addr = F1000F1D4C2EB040 Exception value = 00000115 EXCEPT_DISABLED_PFAULT (5)>
Local fix
disabling AME or lock instrumentation will avoid this issue
Problem summary
System crash with this stack 00009518 .simple_lock+000018 () 001291D4 v_cbp_migrate_blk+000074 ()
Problem conclusion
Allocate a pinned lock instead of a pageable one.
Temporary fix
Comments
6100-08 - use AIX APAR IV66322 6100-09 - use AIX APAR IV70702 7100-02 - use AIX APAR IV70810 7100-03 - use AIX APAR IV70778
APAR Information
APAR number
IV70778
Reported component name
AIX V7.1
Reported component ID
5765H4000
Reported release
710
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2015-03-10
Closed date
2015-03-10
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 U865837
UP15/05/19 I 1000
PTF to Fileset Mapping
U865837 bos.mp64 7.1.3.45
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Document Information
Modified date:
30 September 2015