decode c stacktrace of JVM

[Dmitry Samersoff]

Le,

Could you send across complete

hs_err.log

and output of

nm -P libjvm.so

I'll help with decoding.

-Dmitry


On 2012-03-17 18:10, Le Huy wrote:
> Hi
> 
> I dump stacktrace of JVM (using pstack in linux) hoping to see the
> inside work of the JVM.
> I got quite useless information like this.
> 
> Does anyone know how to decode it, perhaps there is someway to
> activate/use debug symbol ?
> 
> ---------------------
> Thread 4 (Thread 0x4e695b90 (LWP 11448)):
> #0  0x00888410 in __kernel_vsyscall ()
> #1  0x005a2bc5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
> #2  0x00e2667e in ?? () from
> /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/lib/i386/server/libjvm.so
> #3  0x61001340 in ?? ()
> #4  0x61001328 in ?? ()
> #5  0x00000001 in ?? ()
> #6  0x00000001 in ?? ()
> #7  0x61001000 in ?? ()
> #8  0x00000000 in ?? ()
> Thread 3 (Thread 0x4e674b90 (LWP 11449)):
> #0  0x00888410 in __kernel_vsyscall ()
> #1  0x004ff763 in poll () from /lib/libc.so.6
> #2  0x00183274 in ?? () from
> /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/lib/i386/libnet.so
> #3  0x4e671b5c in ?? ()
> #4  0x00000001 in ?? ()
> #5  0x0000ea60 in ?? ()
> #6  0x54534f50 in ?? ()
> #7  0x6e6f2022 in ?? ()
> #8  0x4e671b50 in ?? ()
> #9  0x4e671b5c in ?? ()


-- 
Dmitry Samersoff
Java Hotspot development team, SPB04
* There will come soft rains ...