A fix is available
APAR status
Closed as program error.
Error description
A stack trace such as this one will be seen on the problematic node: ACTION TAKEN: (0)> status CPU TID TSLOT PID PSLOT PROC_NAME 0 2A055 42 1C038 28 gil 1 1502B 21 C018 12 wait 2 1602D 22 D01A 13 wait 3 18031 24 E01C 14 wait 4 19033 25 F01E 15 wait 5 1A035 26 10020 16 wait 6 1B037 27 11022 17 wait 95 7 1C039 28 12024 18 wait 8 1D03B 29 13026 19 wait 9 1E03D 30 14028 20 wait 10 1F03F 31 1502A 21 wait 11 20041 32 1602C 22 wait 12 21043 33 1702E 23 wait 13 22045 34 18030 24 wait 14 23047 35 19032 25 wait 15 24049 36 1A034 26 wait 16-127 Disabled (0)> cpu 0 current cpu (0)> f pvthread+002A00 STACK: [0048E380]slock+000320 (0000000000000003, F10008071001D500 [??]) [00009558].simple_lock+000058 () 96 [0040C688]uipc_slowtimo+000168 () [00403864]pfslowtimo+0001A4 () [003F6F38]Netintr+0002F8 () [003F6C00]netisr_thread+000020 () [00248594]threadentry+000094 (??, ??, ??, ??) [kdb_read_mem] no real storage @ FFFFFFFFFFF9550 (0)> mst Machine State Save Area iar : 000000000048E380 msr : 8000000000089032 cr : 28484128 lr : 000000000048E62C ctr : 0000000000000007 xer : 20000010 mq : 00000000 asr : 000000006105D001 amr : FFFCCF3C00000000 r0 : 0B420100001D50AB r1 : 0FFFFFFFF00FFAB0 r2 : 00000000028E41D8 r3 : 0000000000000003 r4 : F10008071001D500 r5 : 0000000000000000 r6 : F000000008000000 r7 : 000000000040C68C r8 : 0000000000001020 r9 : 0000000000000001 r10 : 0014D82F030F7AC2 r11 : F1000600100A0080 97 r12 : F10003004003D6C8 r13 : F10006001013B000 r14 : 00000000DEADBEEF r15 : 00000000001D50AB r16 : 00000000000001D5 r17 : 0000000000000000 r18 : 0000000080000000 r19 : F10008071000006C r20 : 00000000008271D0 r21 : F100080710000000 r22 : 0000000022000142 r23 : 0000000000000000 r24 : F100069800B8A100 r25 : 0000000000000003 r26 : 0000000000000000 r27 : 00000058D6B91563 r28 : 0000000000000001 r29 : 0000000000000163 r30 : F10006001013B000 r31 : F10007003EF4D680 prev 0000000000000000 stackfix 0FFFFFFFF00FFD20 int_ticks 0FFF cfar 000000000023C6E4 kjmpbuf 0000000000000000 excbranch 0000000000000000 no_pfault 00 intpri 03 backt 00 flags 00 hw_fru_id 00000000 hw_cpu_id 00000000 fpscr 0000000000000000 fpscrx 00000000 fpowner 00 fpeu 00 fpinfo 00 alloc F000 o_iar 0000000000000000 o_toc 0000000000000000 98 o_arg1 0000000000000000 o_vaddr 0000000000000000 krlockp 0000000000000000 rmgrwa 0000000000000000 amrstackhigh F00000003004FFF0 amrstacklow F00000003004F000 amrstackcur F00000003004FFF0 amrstackfix F00000003004FFF0 kstackhigh 0000000000000000 kstacksize 00000000 frrstart 700DFEED00000000 frrend 700DFEED00000000 frrcur 700DFEED00000000 frrstatic 0000 kjmpfrroff 0000 frrovcnt 0000 frrbarrcnt 0000 frrmask 00 callrmgr 00 Except : excp_type 00000106 EXCEPT_DSI orgea 0FFFFFFFF01005E0 dsisr 0000000040000000 bit set: DSISR_PFT vmh 000000012904ED90 curea 0FFFFFFFF01005E0 pftyp 0000000000000106 (0)> slk @r31 F10007003EF4D680 lock B420100001D50AB thread_owner............ 001D50AB @ pvthread+01D500 99 (0)> th pvthread+01D500 SLOT NAME STATE TID PRI RQ CPUID CL WCHAN pvthread+01D500 469>crsd.bin RUN 1D50AB 03C 0 0 (0)> f 469 pvthread+01D500 STACK: [000093E0].unlock_enable_mem+0000D4 () [000093DC].unlock_enable_mem+0000D0 () [0005D864]kwakeup+0001A4 (??, ??, ??) [003DC9A4]soisdisconnected+000164 (??) [004099D0]unp_detach+000170 (??) [00407F5C]uipc_usrreq+00033C (??, ??, ??, ??, ??) [0042A1DC]soclose2+00031C (??, ??) [0042BD90]soclose+000010 (??) [00435B64]soo_close+000224 (??) 100 [0054D56C]closefp+00006C (??, ??) [004998D0]closex+0002F0 (??, ??) [00499B7C]close+00011C (??) [00003844].svc_instr+000144 () [kdb_get_virtual_memory] no real storage @ 111DFC8C0 [900000000F5ABEC]0900000000F5ABEC () [kdb_read_mem] no real storage @ FFFFFFFFFFF9550
Local fix
N/A
Problem summary
The system could become unresponsive.
Problem conclusion
Ensure we disable interrupts for AF_UNIX sockets.
Temporary fix
Comments
6100-05 - use AIX APAR IZ69505
APAR Information
APAR number
IZ69505
Reported component name
AIX 610 STD EDI
Reported component ID
5765G6200
Reported release
610
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Submitted date
2010-02-03
Closed date
2010-02-03
Last modified date
2013-03-29
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 610 STD EDI
Fixed component ID
5765G6200
Applicable component levels
R610 PSY U835334
UP10/04/20 I 1000
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Document Information
Modified date:
17 December 2021