AIX system dump analysis


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# 1  
AIX system dump analysis

dear all,

i have p770 aix6.1
last week, the host reboot suddenly with dump. but i don't know how to analyze the dump.
I posted kdb details in the attachment.
please anybody help me.

Code:
#>kdb vmcore.0 /unix
vmcore.0 mapped from @ 700000000000000 to @ 7000001c72c0908
           START              END <name>
0000000000001000 00000000040C0000 start+000FD8
F00000002FF47600 F00000002FFDF9C0 __ublock+000000
000000002FF22FF4 000000002FF22FF8 environ+000000
000000002FF22FF8 000000002FF22FFC errno+000000
F1000F0A00000000 F1000F0A10000000 pvproc+000000
F1000F0A10000000 F1000F0A18000000 pvthread+000000
Dump analysis on CHRP_SMP_PCI POWER_PC POWER_7 machine with 16 available CPU(s)  (64-bit registers)
Processing symbol table...
.......................done
read vscsi_scsi_ptrs OK, ptr = 0x0
(8)>

(8)>stat
SYSTEM_CONFIGURATION:
CHRP_SMP_PCI POWER_PC POWER_7 machine with 16 available CPU(s)  (64-bit registers)

SYSTEM STATUS:
sysname... AIX
nodename.. ----------
release... 1
version... 6
build date Apr 18 2012
build time 20:31:28
label..... 1215C_61S
machine... ----------
nid....... C25B674C
time of crash: Thu Apr 11 15:00:10 2019
age of system: 201 day, 21 hr., 59 min., 35 sec.
xmalloc debug: enabled
FRRs active... 0
FRRs started.. 0

CRASH INFORMATION:
CPU 8 CSA F1000815B0233D00 at time of crash, error code for LEDs: 30000000
pvthread+002200 STACK:
[000D7D88]e_clear_wait+000108 (FFFCFF3FFFFFFFFF, 0000000000000347 [??])
[000A5B94]clock+000334 (??)
[0018C128]i_softmod+000528 ()
[001B98CC]flih_util+000258 ()
____ Exception (F00000002FF47600) ____
iar   : 000000000008CD04  msr   : 8000000000009032  cr    : 24048024
lr    : 000000000006F0C4  ctr   : 0000000000000000  xer   : 20000000
mq    : 00000000  asr   : 000000073D08D001  amr   : FFFCFF3FFFFFFFFF
r0  : 0000000000000000  r1  : 0FFFFFFFF3FFFD60  r2  : 0000000002BA5980
r3  : 0000000000000000  r4  : 0000000000000000  r5  : 8000000006FAE4F8
r6  : 0000000000000000  r7  : 0000000000000000  r8  : 0000000000000000
r9  : 0000000000000000  r10 : 0000000000000000  r11 : 0000000000000000
r12 : 0000000000000000  r13 : F1000A01000A8C00  r14 : 00000000DEADBEEF
r15 : 00000000001631EF  r16 : 0000000000000000  r17 : 0000000000000000
r18 : 0000000000000008  r19 : 000000003A91195C  r20 : 000000003B9ACA00
r21 : 0000000000000001  r22 : 00000000000034C8  r23 : 0000000000000000
r24 : 0000000002C20C24  r25 : F1000F0A10002278  r26 : 000000000240FD00
r27 : 0000000002C20CB0  r28 : F1000A06000B9000  r29 : 0000000002C20000
r30 : 0000000000000000  r31 : 0000000000000001

prev      0000000000000000 stackfix  0000000000000000 int_ticks 0000
cfar      0000000004214E44
kjmpbuf   0000000000000000 excbranch 0000000000000000 no_pfault 00
intpri    0B               backt     00               flags     00
hw_fru_id 00000000         hw_cpu_id 00000003
fpscr     0000000000000000 fpscrx    00000000         fpowner   00
fpeu      00               fpinfo    00               alloc     F000
o_iar     0000000000000000 o_toc     0000000000000000
o_arg1    0000000000000000 o_vaddr   0000000000000000
krlockp   0000000000000000 rmgrwa    0000000000000000
amrstackhigh  F00000002FFCCFF0 amrstacklow   F00000002FFCC000
amrstackcur   F00000002FFCCFF0 amrstackfix   0000000000000000
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 0FFFFFFFF3FFFE78 dsisr 0000000042000000  bit set: DSISR_PFT DSISR_ST
 vmh   0000000C50045D90 curea 0FFFFFFFF3FFFE78 pftyp 0000000000000106
[0008CD04].h_cede+000014 ()
[0006F0C0]waitproc+000860 ()
[00254AF0]procentry+000010 (??, ??, ??, ??)
[kdb_read_mem] no real storage @ FFFFFFFFFFF6610
(8)>

(8)>status
CPU INTR      TID  TSLOT     PID  PSLOT  PROC_NAME
  0          20005      2   20004      2  wait
  1         1A0035     26  100020     16  wait
  2         1B0037     27  110022     17  wait
  3         1C0039     28  120024     18  wait
  4         1D003B     29  130026     19  wait
  5         1E003D     30  140028     20  wait
  6         200041     32  15002A     21  wait
  7         210043     33  16002C     22  wait
  8         220045     34  17002E     23  wait
  9         230047     35  180030     24  wait
 10         240049     36  190032     25  wait
 11         25004B     37  1A0034     26  wait
 12        1B50033    437 2C500E4    709  oracle
 13         27004F     39  1C0038     28  wait
 14         280051     40  1D003A     29  wait
 15         290053     41  1E003C     30  wait
 16-47   Disabled


(8)> f
pvthread+002200 STACK:
[000D7D88]e_clear_wait+000108 (FFFCFF3FFFFFFFFF, 0000000000000347 [??])
[000A5B94]clock+000334 (??)
[0018C128]i_softmod+000528 ()
[001B98CC]flih_util+000258 ()
____ Exception (F00000002FF47600) ____
iar   : 000000000008CD04  msr   : 8000000000009032  cr    : 24048024
lr    : 000000000006F0C4  ctr   : 0000000000000000  xer   : 20000000
mq    : 00000000  asr   : 000000073D08D001  amr   : FFFCFF3FFFFFFFFF
r0  : 0000000000000000  r1  : 0FFFFFFFF3FFFD60  r2  : 0000000002BA5980
r3  : 0000000000000000  r4  : 0000000000000000  r5  : 8000000006FAE4F8
r6  : 0000000000000000  r7  : 0000000000000000  r8  : 0000000000000000
r9  : 0000000000000000  r10 : 0000000000000000  r11 : 0000000000000000
r12 : 0000000000000000  r13 : F1000A01000A8C00  r14 : 00000000DEADBEEF
r15 : 00000000001631EF  r16 : 0000000000000000  r17 : 0000000000000000
r18 : 0000000000000008  r19 : 000000003A91195C  r20 : 000000003B9ACA00
r21 : 0000000000000001  r22 : 00000000000034C8  r23 : 0000000000000000
r24 : 0000000002C20C24  r25 : F1000F0A10002278  r26 : 000000000240FD00
r27 : 0000000002C20CB0  r28 : F1000A06000B9000  r29 : 0000000002C20000
r30 : 0000000000000000  r31 : 0000000000000001

prev      0000000000000000 stackfix  0000000000000000 int_ticks 0000
cfar      0000000004214E44
kjmpbuf   0000000000000000 excbranch 0000000000000000 no_pfault 00
intpri    0B               backt     00               flags     00
hw_fru_id 00000000         hw_cpu_id 00000003
fpscr     0000000000000000 fpscrx    00000000         fpowner   00
fpeu      00               fpinfo    00               alloc     F000
o_iar     0000000000000000 o_toc     0000000000000000
o_arg1    0000000000000000 o_vaddr   0000000000000000
krlockp   0000000000000000 rmgrwa    0000000000000000
amrstackhigh  F00000002FFCCFF0 amrstacklow   F00000002FFCC000
amrstackcur   F00000002FFCCFF0 amrstackfix   0000000000000000
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 0FFFFFFFF3FFFE78 dsisr 0000000042000000  bit set: DSISR_PFT DSISR_ST
 vmh   0000000C50045D90 curea 0FFFFFFFF3FFFE78 pftyp 0000000000000106
[0008CD04].h_cede+000014 ()
[0006F0C0]waitproc+000860 ()
[00254AF0]procentry+000010 (??, ??, ??, ??)
[kdb_read_mem] no real storage @ FFFFFFFFFFF97F0


(8)>lle -k |more
    ADDRESS          FILE             FILESIZE FLAGS    MODULE NAME

  1 F1000000A05FA400 F1000000C0B4C000 00517000 00090242 /usr/lib/drivers/lusdd
  2 F1000000A05FB900 F1000000C030E000 00020000 00090252 /usr/lib/drivers/pdiagex
  3 F1000000A05FBA00         04E38000 000027C0 00180248 /unix
  4 F1000000A05FB800 F1000000C0B44000 00007000 00090242 /usr/lib/drivers/bpf
  5 F1000000A05FB600 F1000000C0B26000 0001E000 00090252 /usr/sbin/rsct/bin/pin/hatspin_kex
  6 F1000000A05FB700         04E0C000 00002690 00180248 /unix
  7 F1000000A05FB400 F1000000C0B1E000 00006000 00090252 /usr/sbin/rsct/bin/hahalt/hahalt_kex
  8 F1000000A05FB500         04E04000 00002670 00180248 /unix
  9 F1000000A05FB200 F1000000C0AF1000 0002D000 00090252 /usr/sbin/rsct/bin/haDMS/haDMS_kex
 10 F1000000A05FB300         04DFC000 00002630 00180248 /unix
 11 F1000000A05FA000 F1000000C08CF000 00222000 00090252 /usr/lpp/mmfs/bin/aix64/mmfs64
 12 F1000000A05FB100         04DF4000 000025C0 01180248 /unix
 13 F1000000A05FAE00 F1000000C0867000 00068000 00090252 /usr/lib/drivers/cluster
 14 F1000000A05FAF00         04DE2000 00001F68 00180248 /unix
 15 F1000000A05FAD00 F1000000C0846000 00021000 00090242 /usr/lib/drivers/nsmbdd
 16 F1000000A05FAB00 F1000000C0827000 0001F000 00090252 /usr/lib/drivers/random
 17 F1000000A05FAC00         04B5E000 00001E88 00180248 /unix
 18 F1000000A05FA900         04BC0000 00220000 00080252 /usr/lib/drivers/nfs.ext
 19 F1000000A05FAA00         04B5A000 00001E88 01180248 /unix
 20 F1000000A05FA700         04B60000 00060000 00080252 /usr/lib/drivers/krpc.ext
 21 F1000000A05FA800         04B56000 00001E40 00180248 /unix
 22 F1000000A05FA500 F1000000C0825000 00002000 00090252 /usr/lib/drivers/nfs_kdes.ext
 23 F1000000A05FA600         04B52000 00001E40 00180248 /unix
 24 F1000000A05FA200         04B30000 00020000 00080242 /usr/lib/drivers/posix_aiopin
 25 F1000000A05FA100         04B10000 00020000 00080252 /usr/lib/drivers/posix_aio.ext
 26 F1000000A05FA300         04ABE000 00001E40 01180248 /unix
 27 F1000000A05F9F00         04AF0000 00020000 00080242 /usr/lib/drivers/aiopin
 28 F1000000A05F9E00         04AD0000 00020000 00080252 /usr/lib/drivers/aio.ext
 29 F1000000A05F9000         04ABA000 00001DF0 00180248 /unix
 30 F1000000A05F9C00 F1000000C030C000 00002000 00090242 /usr/lib/drivers/smt_loadpin
 31 F1000000A05F9B00 F1000000C0304000 00006000 00090252 /usr/lib/drivers/smt_load
 32 F1000000A05F9D00         04AB6000 00001DA8 00180248 /unix
 33 F1000000A05F9900         04A70000 00040000 00080252 /usr/pmapi/etc/pmsvcs
 34 F1000000A05F9A00         04AB2000 00001D28 00180248 /unix
 35 F1000000A05F9700         04A50000 00020000 00080252 /usr/lib/drivers/perfvmmstat
 36 F1000000A05F9800         04A1E000 00001B88 00180248 /unix
 37 F1000000A05F9500 F1000000C02E8000 0001C000 00090252 /usr/lib/drivers/ptydd
 38 F1000000A05F9600         04A1A000 00001AD0 00180248 /unix
 39 F1000000A05F9300         04A20000 00030000 00080252 /usr/lib/perf/perfstat
 40 F1000000A05F9400         04A16000 00001AC8 00180248 /unix
 41 F1000000A05F9200 F1000000C02BB000 0002D000 00090242 /usr/lib/drivers/ethchandd
 42 F1000000A05F8000         049F0000 00020000 00080252 /usr/lib/drivers/if_en
 43 F1000000A05F9100         04A12000 000017C8 00180248 /unix
 44 F1000000A05F8E00         047C0000 00230000 00080252 /usr/lib/drivers/netinet
 45 F1000000A05F8F00         046EE000 000017C8 01180248 /unix
 46 F1000000A05F8C00 F1000000C026B000 00050000 00090252 /usr/lib/drivers/crypto/clickext
 47 F1000000A05F8D00         046EA000 000017C8 00180248 /unix
 48 F1000000A05F8B00         04790000 00030000 00080242 /usr/lib/drivers/usb/usbd
 49 F1000000A05F8A00         04760000 00030000 00080242 /etc/drivers/sctapepin
 50 F1000000A05F8900         04740000 00020000 00080242 /usr/lib/drivers/sctape
 51 F1000000A05F8700         046F0000 00050000 00080252 /usr/lib/drivers/usb/ehci_core
 52 F1000000A05F8800         046E6000 000017C8 00180248 /unix
 53 F1000000A05F8600 F1000000C0269000 00002000 00090242 /usr/lib/drivers/pci/hcd3310e000
 54 F1000000A05F8400         04690000 00050000 00080252 /usr/lib/drivers/pci/hcd33103500
 55 F1000000A05F8500         046E2000 000017C8 00180248 /unix
 56 F1000000A05F8300 F1000000C0267000 00002000 00090242 /etc/drivers/scsisesddpin
 57 F1000000A05F8200 F1000000C025F000 00006000 00090242 /usr/lib/drivers/scsisesdd
 58 F1000000A05F8100         04660000 00030000 00080242 /etc/drivers/idecdrompin
 59 F1000000A05F6000         04640000 00020000 00080242 /usr/lib/drivers/idecdrom
 60 F1000000A05F6E00 F1000000C0244000 0001B000 00090252 /usr/lib/drivers/ldterm
 61 F1000000A05F6F00         045CE000 000017C8 00180248 /unix
 62 F1000000A05F6D00 F1000000C023B000 00009000 00090242 /usr/lib/drivers/vconsdd
 63 F1000000A05F6B00 F1000000C0222000 00019000 00090252 /usr/lib/drivers/pci/jasdd
 64 F1000000A05F6C00         045CA000 000017C8 00180248 /unix
 65 F1000000A05F6A00         04600000 00040000 00080242 /usr/lib/drivers/sfwcomdd
 66 F1000000A05F6800         045D0000 00030000 00080252 /usr/lib/drivers/storfwork
 67 F1000000A05F6900         045C6000 000017C8 00180248 /unix
 68 F1000000A05F6700 F1000000C021A000 00005000 00090242 /etc/drivers/coreprobe.ext
 69 F1000000A05F6600 F1000000C0218000 00002000 00090242 /usr/lib/drivers/syscalls64.ext
 70 F1000000A05F6500 F1000000C0214000 00004000 00090242 /usr/lib/drivers/pse/tirdwr
 71 F1000000A05F6400 F1000000C0210000 00004000 00090242 /usr/lib/drivers/pse/timod
 72 F1000000A05F6300 F1000000C01F3000 0001D000 00090242 /usr/lib/drivers/pse/xtiso
 73 F1000000A05F6200 F1000000C01F1000 00002000 00090242 /usr/lib/drivers/pse/stdmod
 74 F1000000A05F6100 F1000000C01ED000 00003000 00090242 /usr/lib/drivers/pse/sc
 75 F1000000A05F5000 F1000000C01E9000 00003000 00090242 /usr/lib/drivers/pse/spx
 76 F1000000A05F5F00 F1000000C01E5000 00003000 00090242 /usr/lib/drivers/pse/stddev
 77 F1000000A05F5D00 F1000000C01E3000 00002000 00090252 /usr/lib/drivers/ttydbg
 78 F1000000A05F5E00         045C2000 000017C0 00180248 /unix
 79 F1000000A05F5B00 F1000000C01DF000 00004000 00090252 /usr/lib/drivers/ttydbg_pinned
 80 F1000000A05F5C00         044BE000 000017C0 00180248 /unix
 81 F1000000A05F5900 F1000000C0187000 00058000 00090252 /usr/lib/drivers/pse/pse
 82 F1000000A05F5A00         044BA000 000017C0 00180248 /unix
 83 F1000000A05F5800         04570000 00050000 00080242 /usr/lib/drivers/iscsidd
 84 F1000000A05F5600         04500000 00070000 00080242 /usr/lib/drivers/hd_pin_bot
 85 F1000000A05F5500         044C0000 00040000 00080252 /usr/lib/drivers/hd_pin
 86 F1000000A05F5700         044B6000 00001768 00180248 /unix
 87 F1000000A05F5400 F1000000C015D000 0002A000 00090242 /usr/lib/drivers/pci/elxentdd
 88 F1000000A05F5200         04490000 00020000 00080252 /usr/lib/drivers/eth_demux
 89 F1000000A05F5300         044B2000 00001758 00180248 /unix
 90 F1000000A05F5100         04450000 00040000 00080242 /usr/lib/drivers/pci/goentdd
 91 F1000000A05F2000         04380000 000D0000 00080242 /etc/drivers/efscsiddpin
 92 F1000000A05F2F00         04350000 00030000 00080242 /usr/lib/drivers/efscsidd
 93 F1000000A05F2E00         04320000 00030000 00080242 /usr/lib/drivers/aixdiskpcmke
 94 F1000000A05F2D00         042C0000 00060000 00080242 /etc/drivers/scsidiskpin
 95 F1000000A05F2C00         04290000 00030000 00080242 /usr/lib/drivers/scsidisk
 96 F1000000A05F2B00         04210000 00080000 00080242 /etc/drivers/pci/efcddpin
 97 F1000000A05F2A00         041F0000 00020000 00080242 /usr/lib/drivers/pci/efcdd
 98 F1000000A05F2900 F1000000C0118000 00045000 00090242 /usr/lib/drivers/pci/sissas_dd
 99 F1000000A05F2700         041C0000 00030000 00080252 /usr/lib/drivers/vdev_busdd
100 F1000000A05F2800         0413E000 00001758 00180248 /unix
101 F1000000A05F2500         04180000 00040000 00080252 /usr/lib/drivers/pci/pci_busdd
102 F1000000A05F2600         0413A000 00001758 00180248 /unix
103 F1000000A05F2300         04140000 00040000 00080252 /usr/lib/drivers/planar_pal_chrp
104 F1000000A05F2400         04136000 00001758 01180248 /unix
105 F1000000A05F4200         02871C80 00000000 00080246 /unix
106 F1000000A05F42A0         04132000 00001740 00080248 /unix


(8)>mst

Machine State Save Area
iar   : 00000000000D7D88  msr   : 8000000000001032  cr    : 48824224
lr    : 00000000000D7D80  ctr   : 000000000060BDC0  xer   : 20000000
mq    : 00000000  asr   : 000000073D08D001  amr   : 0000000000000003
r0  : 0000000000000000  r1  : F1000815B0233970  r2  : 0000000002BA5980
r3  : FFFCFF3FFFFFFFFF  r4  : 0000000000000347  r5  : 0000000000068FC3
r6  : 0000000000000005  r7  : 0000000000000002  r8  : 0000000000001000
r9  : 0000000000000000  r10 : 002C2E83EFB84E26  r11 : F1000A01000B0240
r12 : FFFCFF3FFFFFFFFF  r13 : F1000A01000A8C00  r14 : 0000000000000005
r15 : 0000000002C20000  r16 : F1000A0100E9A900  r17 : 0000000000000008
r18 : 0000000000000000  r19 : F1000A0100E9A980  r20 : 700DFEED00000000
r21 : 0000000000000002  r22 : 0000000000000002  r23 : 0000000000000003
r24 : 0000000000000005  r25 : 0000000000014C00  r26 : 0000000000000005
r27 : F1000A0100347E18  r28 : 0000000000955030  r29 : F1000F0A000ABC00
r30 : 0000000000000000  r31 : F1000F0A10059400

prev      F00000002FF47600 stackfix  0000000000000000 int_ticks 0000
cfar      0000000000014C64
kjmpbuf   0000000000000000 excbranch 0000000000000000 no_pfault 00
intpri    00               backt     00               flags     00
hw_fru_id 00000000         hw_cpu_id 00000003
fpscr     0000000000000000 fpscrx    00000000         fpowner   00
fpeu      00               fpinfo    00               alloc     F000
o_iar     00000000000D7D88 o_toc     0000000002BA5980
o_arg1    FFFCFF3FFFFFFFFF o_vaddr   F1000A0100347E18
krlockp   0000000000000000 rmgrwa    F1000815B022EE20
amrstackhigh  F1000815B0246FF0 amrstacklow   F1000815B0246000
amrstackcur   F1000815B0246FF0 amrstackfix   0000000000000000
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 00000115  EXCEPT_DISABLED_PFAULT
 orgea F1000A0100347E18 dsisr 0000000040000000  bit set: DSISR_PFT
 vmh   00007FFFFFFFD080 curea F1000A0100347E18 pftyp 4000000000000106

# 2  
Update:

I took the data in the attached file and put in the the main thread.
# 3  
Neo, Thanks a lots.
i think, the cause seems to be the following four lines. but i don't know what does it mean.
Code:
pvthread+002200 STACK:
[000D7D88]e_clear_wait+000108 (FFFCFF3FFFFFFFFF, 0000000000000347 [??])
[000A5B94]clock+000334 (??)
[0018C128]i_softmod+000528 ()
[001B98CC]flih_util+000258 ()


Moderator's Comments:
Mod Comment
Please wrap all code, files, input & output/errors in CODE tags.
It makes it far easier to read and respects spacing for indenting or fixed-width data.

Last edited by rbatte1; 04-26-2019 at 09:51 AM.. Reason: Added CODE tags for clarity
# 5  
What exact version of the kernel are you running?

Please post the output of:

Code:
uname -a

Code:
uname -M

Code:
uname -v

Thanks
# 6  
Neo,
I post the output as below

Code:
 #>uname -a
AIX MESDB01 1 6 00C25B674C00
 #>uname -M
IBM,9117-MMC
#>uname -v
6

# 7  
Please check ls -l /unix ... it should look like one of these:

Code:
/unix -> /usr/lib/boot/unix_mp
/unix -> /usr/lib/boot/unix_64

Then based on the /unix link you find, run:

Code:
lslpp -l bos.<kernel>

For example:

Code:
lslpp -l | grep bos.mp
bos.mp 5.3.0.52 COMMITTED Base Operating System
bos.mp64 5.3.0.52 COMMITTED Base Operating System 64-bit
bos.mp 5.3.0.30 COMMITTED Base Operating System
bos.mp64 5.3.0.30 COMMITTED Base Operating System 64-bit

Try this and let's see what version you are running.

Thanks
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