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From "Pavel Rebriy (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-5422) [drlvm][jit] intermittent VM crash in api.zip.ZlibTest from the reliability suite
Date Fri, 25 Jan 2008 08:28:34 GMT
[drlvm][jit] intermittent VM crash in api.zip.ZlibTest from the reliability suite
---------------------------------------------------------------------------------

                 Key: HARMONY-5422
                 URL: https://issues.apache.org/jira/browse/HARMONY-5422
             Project: Harmony
          Issue Type: Bug
          Components: DRLVM
         Environment: Linux x86_64
            Reporter: Pavel Rebriy


I've executed reliability ZlibTest on 614799 debug revision on Linux x86_64 platform.

The result was an intermittent crash (1 crash from 20 runs) with the following diagnostic:

$ i=1; res=104; while [ $res -eq 104 ]; do /nfs/ims/home/psrebriy/work/git-master/build/lnx_em64t_gcc_debug/deploy/jdk/jre/bin/java
-classpath /nfs/ims/proj/drl/mrt2/users/psrebriy/bti2/build/checkouts/reliability/classes
org.apache.harmony.test.reliability.share.ReliabilityTestStarter -testReliabilityMode longrunning
-testTimeOut 1200 -testClassName org.apache.harmony.test.reliability.api.zip.ZlibTest 10 /nfs/ims/proj/drl/mrt2/users/psrebriy/bti2/tests/reliability/src/java/org/apache/harmony/test/reliability/api/zip/auxiliary
30000 Test.out 10 > out.Zlib.debug; res=$?; i=$((i+1)); echo --- $i ----; done
Illegal instruction (core dumped)

The native stacks are the following:

1:

(gdb) where
#0  0x00002aaabe2a8a78 in ?? ()
#1  0xdeadbeefdeadbeef in ?? ()
#2  0xdeadbeefdeadbeef in ?? ()
#3  0xdeadbeefdeadbeef in ?? ()
#4  0xdeadbeefdeadbeef in ?? ()
#5  0xdeadbeefdeadbeef in ?? ()
#6  0xdeadbeefdeadbeef in ?? ()
#7  0xdeadbeefdeadbeef in ?? ()
#8  0xdeadbeefdeadbeef in ?? ()
#9  0x00000000deadbeef in ?? ()
#10 0x0000000000000000 in ?? ()

(gdb) x /20i $rip-14
0x2aaabe2a8a7a: in     (%dx),%al
0x2aaabe2a8a7b: add    %al,(%rax)
0x2aaabe2a8a7d: add    %al,(%rax)
0x2aaabe2a8a7f: add    %dl,0xffffffffc7909090(%rax)
0x2aaabe2a8a85: test   %ebp,%esp
0x2aaabe2a8a87: std    
0x2aaabe2a8a88: (bad)                              <<<<<<<<<<<<<<<<<<<<<<<
Illegal instruction
0x2aaabe2a8a89: incl   (%rax)
0x2aaabe2a8a8b: add    %al,(%rax)
0x2aaabe2a8a8d: add    %cl,0xffffffffffffff83(%rax)
0x2aaabe2a8a90: in     (%dx),%al
0x2aaabe2a8a91: or     %cl,0xffffffffffffffba(%rax)
0x2aaabe2a8a94: fsubrl 0x2aaaaab8(%rcx)
0x2aaabe2a8a9a: add    %al,(%rax)
0x2aaabe2a8a9c: rex64 callq  *%rdx
0x2aaabe2a8a9f: add    $0x8,%rsp
0x2aaabe2a8aa3: cmpl   $0x0,0x8(%rax)
0x2aaabe2a8aa7: je,pt  0x2aaabe2a8ac3
0x2aaabe2a8aae: sub    $0x8,%rsp
0x2aaabe2a8ab2: mov    $0x2aaaac63a800,%rsi

2:

(gdb) where
#0  0x00002aaabe2a8a78 in ?? ()
#1  0xdeadbeefdeadbeef in ?? ()
#2  0xdeadbeefdeadbeef in ?? ()
#3  0xdeadbeefdeadbeef in ?? ()
#4  0xdeadbeefdeadbeef in ?? ()
#5  0xdeadbeefdeadbeef in ?? ()
#6  0xdeadbeefdeadbeef in ?? ()
#7  0xdeadbeefdeadbeef in ?? ()
#8  0xdeadbeefdeadbeef in ?? ()
#9  0x00000000deadbeef in ?? ()
#10 0x0000000000000000 in ?? ()

(gdb) x /20i 0x2aaabe2a8a6c
0x2aaabe2a8a6c: stos   %al,%es:(%rdi)
0x2aaabe2a8a6d: sub    (%rax),%al
0x2aaabe2a8a6f: add    %dl,0xffffffffc7909090(%rax)
0x2aaabe2a8a75: test   %ebp,%esp
0x2aaabe2a8a77: std    
0x2aaabe2a8a78: (bad)                        <<<<<<<<<<<<<<<<<<<<<<
Illegal instruction
0x2aaabe2a8a79: incl   (%rax)
0x2aaabe2a8a7b: add    %al,(%rax)
0x2aaabe2a8a7d: add    %cl,0xffffffffffffff83(%rax)
0x2aaabe2a8a80: in     (%dx),%al
0x2aaabe2a8a81: or     %cl,0xffffffffffffffba(%rax)
0x2aaabe2a8a84: fsubrl 0x2aaaaab8(%rcx)
0x2aaabe2a8a8a: add    %al,(%rax)
0x2aaabe2a8a8c: rex64 callq  *%rdx
0x2aaabe2a8a8f: add    $0x8,%rsp
0x2aaabe2a8a93: cmpl   $0x0,0x8(%rax)
0x2aaabe2a8a97: je,pt  0x2aaabe2a8ab3
0x2aaabe2a8a9e: sub    $0x8,%rsp
0x2aaabe2a8aa2: mov    $0x2aaaac63a800,%rsi
0x2aaabe2a8aac: rex64 callq  *%rsi

It could be a problem with JIT'ed encode.


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