[Bug libgcj/33479] SyncTest Intermittent failing on MIPS

daney at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Tue Sep 18 18:48:00 GMT 2007 


------- Comment #1 from daney at gcc dot gnu dot org  2007-09-18 18:48 -------
SyncTest never completes.  When it gets into this state the threads are in the
followin state:

(gdb) thread 6
[Switching to thread 6 (Thread 758265024 (LWP 29566))]#0  0x2ce68fac in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
(gdb) bt
#0  0x2ce68fac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x2b7190fc in _Jv_CondWait (cv=0x2cd84e00, mu=0x2cd84de0, 
    millis=<value optimized out>, nanos=0)
    at ../../../trunk/libjava/posix-threads.cc:212
#2  0x2b6f37c8 in gnu::gcj::runtime::FinalizerThread::run (
    this=<value optimized out>)
    at ../../../trunk/libjava/gnu/gcj/runtime/natFinalizerThread.cc:57
#3  0x2b70cb78 in _Jv_ThreadRun (thread=0x2d086f50)
    at ../../../trunk/libjava/java/lang/natThread.cc:335
#4  0x2b718838 in really_start (x=0x2d04bb68)
    at ../../../trunk/libjava/posix-threads.cc:616
#5  0x2c389e18 in GC_start_routine (arg=<value optimized out>)
    at ../../../trunk/boehm-gc/pthread_support.c:1301
#6  0x2ce62130 in start_thread () from /lib/libpthread.so.0
#7  0x2cf9ef48 in ?? () from /lib/libc.so.6
(gdb) thread 5
[Switching to thread 5 (Thread 760362176 (LWP 29567))]#0  0x2cf5d820 in
nanosleep () from /lib/libc.so.6
(gdb) bt
#0  0x2cf5d820 in nanosleep () from /lib/libc.so.6
#1  0x2cf9678c in usleep () from /lib/libc.so.6
#2  0x2b706d28 in wait_unlocked (he=0x2cd861d0)
    at ../../../trunk/libjava/java/lang/natObject.cc:634
#3  0x2b7079a0 in _Jv_MonitorEnter (obj=0x411870)
    at ../../../trunk/libjava/java/lang/natObject.cc:966
#4  0x00401070 in SyncTest.run()void (this=<value optimized out>)
    at SyncTest.java:10
#5  0x2bc40420 in java.lang.Thread.run()void (this=<value optimized out>)
    at /home/ddaney/gccsvn/trunk/libjava/java/lang/Thread.java:755
#6  0x2b70cb78 in _Jv_ThreadRun (thread=0x2d086f00)
    at ../../../trunk/libjava/java/lang/natThread.cc:335
#7  0x2b718838 in really_start (x=0x2d04bb40)
    at ../../../trunk/libjava/posix-threads.cc:616
#8  0x2c389e18 in GC_start_routine (arg=<value optimized out>)
    at ../../../trunk/boehm-gc/pthread_support.c:1301
#9  0x2ce62130 in start_thread () from /lib/libpthread.so.0

(gdb) thread 4
[Switching to thread 4 (Thread 762459328 (LWP 29568))]#0  0x2cf5d820 in
nanosleep () from /lib/libc.so.6
(gdb) bt
#0  0x2cf5d820 in nanosleep () from /lib/libc.so.6
#1  0x2cf9678c in usleep () from /lib/libc.so.6
#2  0x2b706d28 in wait_unlocked (he=0x2cd861d0)
    at ../../../trunk/libjava/java/lang/natObject.cc:634
#3  0x2b7079a0 in _Jv_MonitorEnter (obj=0x411870)
    at ../../../trunk/libjava/java/lang/natObject.cc:966
#4  0x00401070 in SyncTest.run()void (this=<value optimized out>)
    at SyncTest.java:10
#5  0x2bc40420 in java.lang.Thread.run()void (this=<value optimized out>)
    at /home/ddaney/gccsvn/trunk/libjava/java/lang/Thread.java:755
#6  0x2b70cb78 in _Jv_ThreadRun (thread=0x2d086eb0)
    at ../../../trunk/libjava/java/lang/natThread.cc:335
#7  0x2b718838 in really_start (x=0x2d04bb38)
    at ../../../trunk/libjava/posix-threads.cc:616
#8  0x2c389e18 in GC_start_routine (arg=<value optimized out>)
    at ../../../trunk/boehm-gc/pthread_support.c:1301
#9  0x2ce62130 in start_thread () from /lib/libpthread.so.0

(gdb) thread 3
[Switching to thread 3 (Thread 764556480 (LWP 29569))]#0  0x2cf5d820 in
nanosleep () from /lib/libc.so.6
(gdb) bt
#0  0x2cf5d820 in nanosleep () from /lib/libc.so.6
#1  0x2cf9678c in usleep () from /lib/libc.so.6
#2  0x2b706d28 in wait_unlocked (he=0x2cd861d0)
    at ../../../trunk/libjava/java/lang/natObject.cc:634
#3  0x2b7079a0 in _Jv_MonitorEnter (obj=0x411870)
    at ../../../trunk/libjava/java/lang/natObject.cc:966
#4  0x00401070 in SyncTest.run()void (this=<value optimized out>)
    at SyncTest.java:10
#5  0x2bc40420 in java.lang.Thread.run()void (this=<value optimized out>)
    at /home/ddaney/gccsvn/trunk/libjava/java/lang/Thread.java:755
#6  0x2b70cb78 in _Jv_ThreadRun (thread=0x2d086e60)
    at ../../../trunk/libjava/java/lang/natThread.cc:335
#7  0x2b718838 in really_start (x=0x2d04bb30)
    at ../../../trunk/libjava/posix-threads.cc:616
#8  0x2c389e18 in GC_start_routine (arg=<value optimized out>)
    at ../../../trunk/boehm-gc/pthread_support.c:1301
#9  0x2ce62130 in start_thread () from /lib/libpthread.so.0

(gdb) thread 2
[Switching to thread 2 (Thread 766653632 (LWP 29570))]#0  0x2cf5d820 in
nanosleep () from /lib/libc.so.6
(gdb) bt
#0  0x2cf5d820 in nanosleep () from /lib/libc.so.6
#1  0x2cf9678c in usleep () from /lib/libc.so.6
#2  0x2b706d28 in wait_unlocked (he=0x2cd861d0)
    at ../../../trunk/libjava/java/lang/natObject.cc:634
#3  0x2b7079a0 in _Jv_MonitorEnter (obj=0x411870)
    at ../../../trunk/libjava/java/lang/natObject.cc:966
#4  0x00401070 in SyncTest.run()void (this=<value optimized out>)
    at SyncTest.java:10
#5  0x2bc40420 in java.lang.Thread.run()void (this=<value optimized out>)
    at /home/ddaney/gccsvn/trunk/libjava/java/lang/Thread.java:755
#6  0x2b70cb78 in _Jv_ThreadRun (thread=0x2d086e10)
    at ../../../trunk/libjava/java/lang/natThread.cc:335
#7  0x2b718838 in really_start (x=0x2d04bb28)
    at ../../../trunk/libjava/posix-threads.cc:616
#8  0x2c389e18 in GC_start_routine (arg=<value optimized out>)
    at ../../../trunk/boehm-gc/pthread_support.c:1301
#9  0x2ce62130 in start_thread () from /lib/libpthread.so.0

(gdb) thread 1
[Switching to thread 1 (Thread 755130368 (LWP 29565))]#0  0x2ce68fac in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
(gdb) bt
#0  0x2ce68fac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x2b7190fc in _Jv_CondWait (cv=0x2d078c24, mu=0x2d078c04, 
    millis=<value optimized out>, nanos=0)
    at ../../../trunk/libjava/posix-threads.cc:212
#2  0x2b70ce94 in java::lang::Thread::join (this=0x2d086f00, millis=0, nanos=0)
    at ../../../trunk/libjava/java/lang/natThread.cc:160
#3  0x2bc40374 in java.lang.Thread.join()void (this=0x2d078c24)
    at /home/ddaney/gccsvn/trunk/libjava/java/lang/Thread.java:677
#4  0x00401268 in SyncTest.main(java.lang.String[])void (
    args=<value optimized out>) at SyncTest.java:26
#5  0x2b6f5304 in gnu::java::lang::MainThread::call_main (this=0x2d11ef60)
    at ../../../trunk/libjava/gnu/java/lang/natMainThread.cc:54
#6  0x2b70cb78 in _Jv_ThreadRun (thread=0x2d11ef60)
    at ../../../trunk/libjava/java/lang/natThread.cc:335
#7  0x2b6acb5c in _Jv_RunMain (vm_args=<value optimized out>, klass=0x411870, 
    name=0x0, argc=<value optimized out>, argv=0x7fc39b24, is_jar=false)
    at ../../../trunk/libjava/prims.cc:1789
#8  0x2b6acd54 in _Jv_RunMain (klass=0x2d026000, 
    name=0xa <Address 0xa out of bounds>, argc=0, argv=<value optimized out>, 
    is_jar=false) at ../../../trunk/libjava/prims.cc:1814
#9  0x2b6acde4 in JvRunMain (klass=0x2d078c24, argc=755130368, argv=0x7fc39b24)
    at ../../../trunk/libjava/prims.cc:1820
#10 0x2cecb2e0 in __libc_start_main () from /lib/libc.so.6


-- 

daney at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2007-09-18 18:48:53
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33479

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