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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 40843] - Child process are not getting terminated.(hanged)-ENOSYS (Function not implemented)
Date Wed, 01 Nov 2006 07:36:34 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=40843





------- Additional Comments From saijaiganesh@gmail.com  2006-10-31 23:36 -------
(In reply to comment #1)
> Can you get a backtrace from such a process?  Attach to it using
> gdb /path/to/httpd <pid>
> and enter "bt" at the gdb prompt.
gdb showed 30 threads and here is the sample of some threads 
Seems like all threads waiting for something from JVM.

gdb  -p 22033

(30 threads it showed)

(gdb) thread 30

(gdb) bt full

#0  0x0018845b in pthread_cond_timedwait@@GLIBC_2.3.2 () 
from /lib/tls/libpthread.so.0
No symbol table info available.

#1  0x00188844 in pthread_cond_timedwait@GLIBC_2.0 () 
from /lib/tls/libpthread.so.0

No symbol table info available.

#2  0x0125806c in os::Linux::safe_cond_timedwait () 
from /usr/java/jre1.5.0_06/lib/i386/client/libjvm.so

No symbol table info available.

#3  0x01244281 in Monitor::wait () 
from /usr/java/jre1.5.0_06/lib/i386/client/libjvm.so

No symbol table info available.

#4  0x012f8f8b in VMThread::loop () 
from /usr/java/jre1.5.0_06/lib/i386/client/libjvm.so
No symbol table info available.

#5  0x012f8bf0 in VMThread::run () 
from /usr/java/jre1.5.0_06/lib/i386/client/libjvm.so
No symbol table info available.

#6  0x01258d08 in _start () 
from /usr/java/jre1.5.0_06/lib/i386/client/libjvm.so
No symbol table info available.

#7  0x00185de8 in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#8  0x0026d93a in clone () from /lib/tls/libc.so.6
No symbol table info available.

(gdb) Thread 29
No symbol table info available.

#1  0x001887bd in pthread_cond_wait@GLIBC_2.0 () from /lib/tls/libpthread.so.0
No symbol table info available.

#2  0x01257f0e in os::Linux::safe_cond_wait () 
from /usr/java/jre1.5.0_06/lib/i386/client/libjvm.so
No symbol table info available.

#3  0x0124dfef in ObjectMonitor::wait () 
from /usr/java/jre1.5.0_06/lib/i386/client/libjvm.so

No symbol table info available.

#4  0x012a3df6 in ObjectSynchronizer::wait () 
from /usr/java/jre1.5.0_06/lib/i386/client/libjvm.so
No symbol table info available.

#5  0x011a4293 in JVM_MonitorWait () 
from /usr/java/jre1.5.0_06/lib/i386/client/libjvm.so
No symbol table info available.

#6  0x04dc042b in ?? ()
No symbol table info available.

#7  0xa44bc960 in ?? ()
No symbol table info available.

#8  0x00ab168c in ?? ()
No symbol table info available.

#9  0x00000000 in ?? ()
No symbol table info available.


(gdb) thread 28

[Switching to thread 28 (Thread 14363568 (LWP 22035))]#0  0x0018826d in 
pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/libpthread.so.0

(gdb) bt full
#0  0x0018826d in pthread_cond_wait@@GLIBC_2.3.2 () 
from /lib/tls/libpthread.so.0

No symbol table info available.

#1  0x001887bd in pthread_cond_wait@GLIBC_2.0 () from /lib/tls/libpthread.so.0
No symbol table info available.

#2  0x01257f0e in os::Linux::safe_cond_wait () 
from /usr/java/jre1.5.0_06/lib/i386/client/libjvm.so
No symbol table info available.

#3  0x0124dfef in ObjectMonitor::wait () 
from /usr/java/jre1.5.0_06/lib/i386/client/libjvm.so
No symbol table info available.

#4  0x012a3df6 in ObjectSynchronizer::wait () 
from /usr/java/jre1.5.0_06/lib/i386/client/libjvm.so

No symbol table info available.

#5  0x011a4293 in JVM_MonitorWait () 
from /usr/java/jre1.5.0_06/lib/i386/client/libjvm.so
No symbol table info available.

#6  0x04dc042b in ?? ()
No symbol table info available.

#7  0xa44bd610 in ?? ()
No symbol table info available.

#8  0x00db25dc in ?? ()
No symbol table info available.

#9  0x00000000 in ?? ()
No symbol table info available.




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