IV67817: JVM CRASH IN MAPSTACK

APAR status

• Closed as program error.

Error description

• Error Message: >> 2014 Mon Dec 1 02:32:26 Type=Segmentation
  error vmState=0x0002000f >> 2014 Mon Dec 1 02:32:26
  J9Generic_Signal_Number=00000004 Signal_Number=0000000b
  Error_Value=00000000 Signal_Code=00000001 >> 2014 Mon Dec 1
  02:32:26 Handler1=00000FFFB1BA5F28 Handler2=00000FFFB19E56A8 >>
  2014 Mon Dec 1 02:32:26 R0=0000000000000091 R1=00000FFF7C72AA20
  R2=00000FFFB1BB4FC0 R3=FFFFFFFF80000001 >> 2014 Mon Dec 1
  02:32:26 R4=00000FFF7C72AC28 R5=00000FFEFC72AED8
  R6=0000000000000050 R7=00000FFF7FFFFC78 >> 2014 Mon Dec 1
  02:32:26 R8=00000FFF7FFFFC7A R9=000000000000002F
  R10=00000FFF7C72ACC8 R11=00000FFF7C72AC88 >> 2014 Mon Dec 1
  02:32:26 R12=00000FFF7C72AC48 R13=00000FFF7C736910
  R14=00000FFF7E393A94 R15=00000FFF7C72AC28 >> 2014 Mon Dec 1
  02:32:26 R16=0000000000000091 R17=0000000000000002
  R18=0000000000000019 R19=0000000000000001 >> 2014 Mon Dec 1
  02:32:26 R20=00000FFF7FFFFC74 R21=0000000000000048
  R22=00000FFF8000008F R23=00000FFF7C72AC08 >> 2014 Mon Dec 1
  02:32:26 R24=00000FFF80000001 R25=0000000000000040
  R26=0000000000000000 R27=00000FFF7FFFFBD8 >> 2014 Mon Dec 1
  02:32:26 R28=00000FFF7C72AE48 R29=00000FFF7C72AC08
  R30=00000FFF7FFFFF70 R31=0000000000000000 >> 2014 Mon Dec 1
  02:32:26 NIP=00000FFFB1B5FE84 MSR=800000000280F032
  ORIG_GPR3=00000FFFB1B601A4 CTR=00000FFFB1B606EC >> 2014 Mon Dec
  1 02:32:26 LINK=00000FFFB1B60790 XER=0000000020000001
  CCR=0000000088404488 SOFTE=0000000000000001 >> 2014 Mon Dec 1
  02:32:26 TRAP=0000000000000300 DAR=00000FFE7C72AED9
  dsisr=0000000040000000 RESULT=0000000000000000 >> 2014 Mon Dec 1
  02:32:26 FPR0 00000000be124100 (f: 3188867328.000000, d:
  1.575510e-314) >> 2014 Mon Dec 1 02:32:26 FPR1 00000000be124100
  (f: 3188867328.000000, d: 1.575510e-314) >> 2014 Mon Dec 1
  02:32:26 FPR2 00000000be124100 (f: 3188867328.000000, d:
  1.575510e-314) >> 2014 Mon Dec 1 02:32:26 FPR3 3fd5555888891b8c
  (f: 2290686976.000000, d: 3.333341e-01) >> 2014 Mon Dec 1
  02:32:26 FPR4 0000000000000001 (f: 1.000000, d: 4.940656e-324)
  >> 2014 Mon Dec 1 02:32:26 FPR5 40fb393969e70000 (f:
  1776746496.000000, d: 1.115076e+05) >> 2014 Mon Dec 1 02:32:26
  FPR6 bfc0001886c688a0 (f: 2261158144.000000, d: -1.250029e-01)
  >> 2014 Mon Dec 1 02:32:26 FPR7 bf60000000000000 (f: 0.000000,
  d: -1.953125e-03) >> 2014 Mon Dec 1 02:32:26 FPR8
  3fc999999989fd15 (f: 2575957248.000000, d: 2.000000e-01) >> 2014
  Mon Dec 1 02:32:26 FPR9 bfd0000000007113 (f: 28947.000000, d:
  -2.500000e-01) >> 2014 Mon Dec 1 02:32:26 FPR10 3fc249249550563d
  (f: 2505070080.000000, d: 1.428571e-01) >> 2014 Mon Dec 1
  02:32:26 FPR11 3fd5555555555611 (f: 1431655936.000000, d:
  3.333333e-01) >> 2014 Mon Dec 1 02:32:26 FPR12 3ed0000000000000
  (f: 0.000000, d: 3.814697e-06) >> 2014 Mon Dec 1 02:32:26 FPR13
  bfdffffffffffffc (f: 4294967296.000000, d: -5.000000e-01) >>
  2014 Mon Dec 1 02:32:26 FPR14 0000000000000000 (f: 0.000000, d:
  0.000000e+00) >> 2014 Mon Dec 1 02:32:26 FPR15 0000000000000000
  (f: 0.000000, d: 0.000000e+00) >> 2014 Mon Dec 1 02:32:26 FPR16
  0000000000000000 (f: 0.000000, d: 0.000000e+00) >> 2014 Mon Dec
  1 02:32:26 FPR17 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  >> 2014 Mon Dec 1 02:32:26 FPR18 0000000000000000 (f: 0.000000,
  d: 0.000000e+00) >> 2014 Mon Dec 1 02:32:26 FPR19
  0000000000000000 (f: 0.000000, d: 0.000000e+00) >> 2014 Mon Dec
  1 02:32:26 FPR20 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  >> 2014 Mon Dec 1 02:32:26 FPR21 0000000000000000 (f: 0.000000,
  d: 0.000000e+00) >> 2014 Mon Dec 1 02:32:26 FPR22
  0000000000000000 (f: 0.000000, d: 0.000000e+00) >> 2014 Mon Dec
  1 02:32:26 FPR23 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  >> 2014 Mon Dec 1 02:32:26 FPR24 0000000000000000 (f: 0.000000,
  d: 0.000000e+00) >> 2014 Mon Dec 1 02:32:26 FPR25
  0000000000000000 (f: 0.000000, d: 0.000000e+00) >> 2014 Mon Dec
  1 02:32:26 FPR26 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  >> 2014 Mon Dec 1 02:32:26 FPR27 0000000000000000 (f: 0.000000,
  d: 0.000000e+00) >> 2014 Mon Dec 1 02:32:26 FPR28
  0000000000000000 (f: 0.000000, d: 0.000000e+00) >> 2014 Mon Dec
  1 02:32:26 FPR29 0000000000000000 (f: 0.000000, d: 0.000000e+00)
  >> 2014 Mon Dec 1 02:32:26 FPR30 0000000000000000 (f: 0.000000,
  d: 0.000000e+00) >> 2014 Mon Dec 1 02:32:26 FPR31
  0000000000000000 (f: 0.000000, d: 0.000000e+00) >> 2014 Mon Dec
  1 02:32:26
  Module=/jtctest/sdk_installs/ESPRESSO/PKG/pxp6480/pxp6480-201411
  28_01/ibm-java-ppc64-80/jre/lib/ppc64/compressedrefs/libj9vm28.s
  o >
  .
  Stack Trace: #12 <signal handler called>#13 0x00000fffb1b5fe84
  in .mapStack ()...more...
  .
  

Local fix

Problem summary

• JVM code for mapStack was susceptible to errors in C compilers.
  

Problem conclusion

• mapStack code has been updated to avoid the potential compiler
  error.
  .
  This APAR will be fixed in the following Java Releases:
     7 R1 SR2 FP10  (7.1.2.10)
     7    SR8 FP10  (7.0.8.10)
     6 R1 SR8 FP3   (6.1.8.3)
     6    SR16 FP3  (6.0.16.3)
  .
  Contact your IBM Product's Service Team for these Service
  Refreshes and Fix Packs.
  For those running stand-alone, information about the Service
  Refreshes and Fix Packs can be found at:
             https://www.ibm.com/developerworks/java/jdk/
  

Temporary fix

Comments

APAR Information

• 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

  J9 COMMON CODE

• Fixed component ID

  620700127

Applicable component levels

• R270 PSY

     UP

• R260 PSY

     UP

• R600 PSY

     UP