[Bug classpath/25804] New: WW2D window stays gray

[twisti at complang dot tuwien dot ac dot at]

Ok, i'm posting there a gdb session with thread backtraces.  Some backtraces
are snipped since cacao has no proper stack chaining (and i had no luck with
jamvm or kaffe):

address@hidden:~/src/cacao/jogl/ww2d-0.99.86$ gdb cacao
GNU gdb 6.3-debian
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This GDB was configured as "x86_64-linux"...Using host libthread_db library
"/lib/libthread_db.so.1".

(gdb) ha SIGPWR SIGXCPU nopr
Signal        Stop      Print   Pass to program Description
SIGXCPU       No        No      Yes             CPU time limit exceeded
SIGPWR        No        No      Yes             Power fail/restart
(gdb) r -jar WW2D.jar 
Starting program: /home/twisti/src/cacao/cacao/src/cacao/cacao -jar WW2D.jar
[Thread debugging using libthread_db enabled]
[New Thread 46912506965120 (LWP 18204)]
[New Thread 1082132832 (LWP 18209)]
WW2D 0.99.86 by Vitaliy Pronkin <address@hidden> starting...
[New Thread 1090525536 (LWP 18210)]
[New Thread 1098918240 (LWP 18211)]
[New Thread 1107319136 (LWP 18212)]
[New Thread 1115711840 (LWP 18213)]
[New Thread 1124555104 (LWP 18214)]
[New Thread 1132947808 (LWP 18215)]
[New Thread 1141447008 (LWP 18216)]

Program received signal SIGINT, Interrupt.
[Switching to Thread 46912506965120 (LWP 18204)]
0x00002aaaaaeecb6a in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
(gdb) info threads
  9 Thread 1141447008 (LWP 18216)  0x00002aaaaaeef14b in __lll_mutex_lock_wait
() from /lib/libpthread.so.0
  8 Thread 1132947808 (LWP 18215)  0x00002aaaaaeecd5f in
pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  7 Thread 1124555104 (LWP 18214)  0x00002aaaaaeef70f in __accept_nocancel ()
from /lib/libpthread.so.0
  6 Thread 1115711840 (LWP 18213)  0x00002aaaaaeecb6a in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  5 Thread 1107319136 (LWP 18212)  0x00002aaaaaeef14b in __lll_mutex_lock_wait
() from /lib/libpthread.so.0
  4 Thread 1098918240 (LWP 18211)  0x00002aaaaaeef14b in __lll_mutex_lock_wait
() from /lib/libpthread.so.0
  3 Thread 1090525536 (LWP 18210)  0x00002aaaaaeecb6a in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
  2 Thread 1082132832 (LWP 18209)  0x00002aaaaaeecb6a in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
* 1 Thread 46912506965120 (LWP 18204)  0x00002aaaaaeecb6a in
pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
(gdb) bt
#0  0x00002aaaaaeecb6a in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0x000000000042f85b in joinAllThreads () at threads.c:868
#2  0x000000000042091f in main (argc=3, argv=0x7ffffffff8e8) at cacao.c:1423
(gdb) thr 2
[Switching to thread 2 (Thread 1082132832 (LWP 18209))]#0  0x00002aaaaaeecb6a
in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
(gdb) bt
#0  0x00002aaaaaeecb6a in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0x000000000043024e in waitWithTimeout (t=0x672540, lr=0xcbacc0,
wakeupTime=0x40800010) at threads.c:1183
#2  0x00000000004304f5 in monitorWait (t=0x672540, o=0x90ac90, millis=0,
nanos=0) at threads.c:1228
#3  0x0000000000430873 in wait_cond_for_object (o=0x90ac90, time=0, nanos=0) at
threads.c:1325
#4  0x000000000043aeba in finalizer_thread () at finalizer.c:102
#5  0x000000000042f667 in threads_startup_thread (t=0x0) at threads.c:777
#6  0x00000000004d3c96 in GC_start_routine (arg=0x70c980) at
pthread_support.c:1185
#7  0x00002aaaaaeeab1c in start_thread () from /lib/libpthread.so.0
#8  0x00002aaaab38fc22 in clone () from /lib/libc.so.6
<snip>
(gdb) thr 3
[Switching to thread 3 (Thread 1090525536 (LWP 18210))]#0  0x00002aaaaaeecb6a
in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
(gdb) bt
#0  0x00002aaaaaeecb6a in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0x000000000043024e in waitWithTimeout (t=0x672380, lr=0xe33c80,
wakeupTime=0x41000d90) at threads.c:1183
#2  0x00000000004304f5 in monitorWait (t=0x672380, o=0x779f50, millis=0,
nanos=0) at threads.c:1228
#3  0x0000000000430873 in wait_cond_for_object (o=0x779f50, time=0, nanos=0) at
threads.c:1325
#4  0x000000000042d8ed in Java_java_lang_VMObject_wait (env=0x60a248,
clazz=0x68bc30, o=0x779f50, ms=0, ns=0) at VMObject.c:183
#5  0x00002aaaaee7229b in ?? ()
#6  0x0000000000779f50 in ?? ()
#7  0x0000000000000000 in ?? ()
#8  0x0000000000000000 in ?? ()
#9  0x000000000046619f in stacktrace_remove_stackframeinfo (sfi=0x672540) at
stacktrace.c:321
#10 0x00000000004d3c96 in GC_start_routine (arg=0x730340) at
pthread_support.c:1185
#11 0x00002aaaaaeeab1c in start_thread () from /lib/libpthread.so.0
#12 0x00002aaaab38fc22 in clone () from /lib/libc.so.6
<snip>
(gdb) thr 4
[Switching to thread 4 (Thread 1098918240 (LWP 18211))]#0  0x00002aaaaaeef14b
in __lll_mutex_lock_wait ()
   from /lib/libpthread.so.0
(gdb) bt
#0  0x00002aaaaaeef14b in __lll_mutex_lock_wait () from /lib/libpthread.so.0
#1  0x0000000000d5d0b8 in ?? ()
#2  0x0000000000000000 in ?? ()
#3  0x00002aaaaaeebdca in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x00002aaaaaeec14b in pthread_mutex_unlock () from /lib/libpthread.so.0
#5  0x0000000000000000 in ?? ()
#6  0x0000000000000340 in ?? ()
#7  0x0000000000000000 in ?? ()
#8  0x0000000000000000 in ?? ()
#9  0x0000000000000000 in ?? ()
#10 0x000000000001e9a1 in ?? ()
#11 0x0000000000d34770 in ?? ()
#12 0x0000000000d2e140 in ?? ()
#13 0x0000000000000000 in ?? ()
#14 0x0000000000d5d0b0 in ?? ()
#15 0x00002aaaaaeec0b0 in __pthread_mutex_unlock_usercnt () from
/lib/libpthread.so.0
#16 0x0000000000000000 in ?? ()
#17 0x00002aaaadb216ad in XPending () from /usr/X11R6/lib/libX11.so.6
#18 0x00002aaaac8fc16f in gdk_threads_leave () from
/usr/lib/libgdk-x11-2.0.so.0
#19 0x00002aaaac922bd4 in _gdk_events_queue () from
/usr/lib/libgdk-x11-2.0.so.0
#20 0x00002aaaad7660c4 in g_main_context_check () from
/usr/lib/libglib-2.0.so.0
#21 0x00002aaaad7663f1 in g_main_context_check () from
/usr/lib/libglib-2.0.so.0
#22 0x00002aaaad76694a in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#23 0x00002aaaac5ecc81 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#24 0x00002aaaac3b045e in Java_gnu_java_awt_peer_gtk_GtkToolkit_gtkMain
(env=Variable "env" is not available.
) at gnu_java_awt_peer_gtk_GtkToolkit.c:331
<snip>
(gdb) thr 5
[Switching to thread 5 (Thread 1107319136 (LWP 18212))]#0  0x00002aaaaaeef14b
in __lll_mutex_lock_wait ()
   from /lib/libpthread.so.0
(gdb) bt
#0  0x00002aaaaaeef14b in __lll_mutex_lock_wait () from /lib/libpthread.so.0
#1  0x00000000031027a8 in ?? ()
#2  0x0000000000000003 in ?? ()
#3  0x00002aaaaaeebdca in pthread_mutex_lock () from /lib/libpthread.so.0
<snip>
(gdb) thr 6
[Switching to thread 6 (Thread 1115711840 (LWP 18213))]#0  0x00002aaaaaeecb6a
in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
(gdb) bt
#0  0x00002aaaaaeecb6a in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0x000000000043024e in waitWithTimeout (t=0x2036c40, lr=0x2f9cd10,
wakeupTime=0x42805d60) at threads.c:1183
#2  0x00000000004304f5 in monitorWait (t=0x2036c40, o=0x1d2d900, millis=0,
nanos=0) at threads.c:1228
#3  0x0000000000430873 in wait_cond_for_object (o=0x1d2d900, time=0, nanos=0)
at threads.c:1325
#4  0x000000000042d8ed in Java_java_lang_VMObject_wait (env=0x60a248,
clazz=0x68bc30, o=0x1d2d900, ms=0, ns=0)
    at VMObject.c:183
<snip>
(gdb) thr 7
[Switching to thread 7 (Thread 1124555104 (LWP 18214))]#0  0x00002aaaaaeef70f
in __accept_nocancel () from /lib/libpthread.so.0
(gdb) bt
#0  0x00002aaaaaeef70f in __accept_nocancel () from /lib/libpthread.so.0
#1  0x00002aaaabf4d489 in _javanet_accept (env=0x60a248, this=Variable "this"
is not available.
) at javanet.c:822
<snip>
(gdb) thr 8
[Switching to thread 8 (Thread 1132947808 (LWP 18215))]#0  0x00002aaaaaeecd5f
in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
(gdb) bt
#0  0x00002aaaaaeecd5f in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#1  0x0000000000430208 in waitWithTimeout (t=0x2036700, lr=0x3081b98,
wakeupTime=0x43875d30) at threads.c:1180
#2  0x00000000004304f5 in monitorWait (t=0x2036700, o=0x2036700, millis=1000,
nanos=0) at threads.c:1228
#3  0x0000000000430873 in wait_cond_for_object (o=0x2036700, time=1000,
nanos=0) at threads.c:1325
#4  0x000000000042d8ed in Java_java_lang_VMObject_wait (env=0x60a248,
clazz=0x68bc30, o=0x2036700, ms=1000, ns=0)
    at VMObject.c:183
(gdb) thr 9
[Switching to thread 9 (Thread 1141447008 (LWP 18216))]#0  0x00002aaaaaeef14b
in __lll_mutex_lock_wait ()
   from /lib/libpthread.so.0
(gdb) bt
#0  0x00002aaaaaeef14b in __lll_mutex_lock_wait () from /lib/libpthread.so.0
#1  0x0000000001d91cd0 in ?? ()
#2  0x00002aaab0b5f120 in ?? ()
#3  0x00002aaaaaeebdca in pthread_mutex_lock () from /lib/libpthread.so.0
<snip>

I also post a thread dump, which may not be exact (have to check out
implementation), but it should suffice:

Full thread dump CACAO 0.93+cvs:

"main" prio=5 tid=0x00002aaaab502c80
        <<No stacktrace available>>

"Thread-6" daemon prio=5 tid=0x0000000044077960
        at
gnu.java.awt.peer.gtk.GtkImage.loadPixbuf(Ljava/lang/String;)Z(Native Method)
        at
gnu.java.awt.peer.gtk.GtkImage.<init>(Ljava/lang/String;)V(GtkImage.java:222)
        at
gnu.java.awt.peer.gtk.GtkToolkit.createImage(Ljava/lang/String;)Ljava/awt/Image;(GtkToolkit.java:261)
        at
org.ww2d.core.Utils.PreloadTexture(Ljava/lang/String;I)[B(Utils.java:133)
        at org.ww2d.core.QuadTile.Load()V(QuadTile.java:235)
        at org.ww2d.core.QuadTile.Update(D)V(QuadTile.java:170)
        at org.ww2d.core.QuadTileLayer.Update()V(QuadTileLayer.java:131)
        at org.ww2d.core.LayerSet.Update()V(LayerSet.java:28)
        at org.ww2d.core.LayerSet.Update()V(LayerSet.java:28)
        at org.ww2d.core.Updater.run()V(Updater.java:18)
        at java.lang.Thread.run()V(Thread.java:674)
        at java.lang.VMThread.run()V(VMThread.java:135)

"Thread-5" daemon prio=5 tid=0x0000000043876960
        at java.lang.VMObject.wait(Ljava/lang/Object;JI)V(Native Method)
        at java.lang.Object.wait(JI)V(Object.java:528)
        at java.lang.VMThread.sleep(JI)V(VMThread.java:416)
        at java.lang.Thread.sleep(JI)V(Thread.java:823)
        at java.lang.Thread.sleep(J)V(Thread.java:788)
        at org.ww2d.core.CacheManager.run()V(CacheManager.java:29)
        at java.lang.Thread.run()V(Thread.java:674)
        at java.lang.VMThread.run()V(VMThread.java:135)

"Thread-4" daemon prio=5 tid=0x0000000043075960
        at
gnu.java.net.VMPlainSocketImpl.accept(Lgnu/java/net/PlainSocketImpl;Ljava/net/SocketImpl;)V(Native
Method)
        at
gnu.java.net.PlainSocketImpl.accept(Ljava/net/SocketImpl;)V(PlainSocketImpl.java:282)
        at
java.net.ServerSocket.implAccept(Ljava/net/Socket;)V(ServerSocket.java:369)
        at
java.net.ServerSocket.accept()Ljava/net/Socket;(ServerSocket.java:321)
        at org.ww2d.core.Connector.run()V(Connector.java:23)
        at java.lang.Thread.run()V(Thread.java:674)
        at java.lang.VMThread.run()V(VMThread.java:135)

"Thread-3" daemon prio=5 tid=0x0000000042806960
        at java.lang.VMObject.wait(Ljava/lang/Object;JI)V(Native Method)
        at java.lang.Object.wait()V(Object.java:434)
        at
java.awt.EventQueue.invokeAndWait(Ljava/lang/Runnable;)V(EventQueue.java:298)
        at
net.java.games.jogl.GLCanvas.maybeDoSingleThreadedWorkaround(Ljava/lang/Runnable;Ljava/lang/Runnable;Z)V(GLCanvas.java:228)
        at net.java.games.jogl.GLCanvas.display()V(GLCanvas.java:77)
        at org.ww2d.core.MapCanvas.run()V(MapCanvas.java:275)
        at java.lang.Thread.run()V(Thread.java:674)
        at java.lang.VMThread.run()V(VMThread.java:135)

"AWT-EventQueue-2" prio=6 tid=0x0000000042005960
        at
gnu.java.awt.peer.gtk.GtkImage.loadPixbuf(Ljava/lang/String;)Z(Native Method)
        at
gnu.java.awt.peer.gtk.GtkImage.<init>(Ljava/lang/String;)V(GtkImage.java:222)
        at
gnu.java.awt.peer.gtk.GtkToolkit.createImage(Ljava/lang/String;)Ljava/awt/Image;(GtkToolkit.java:261)
        at
org.ww2d.core.Utils.LoadTexture(Lnet/java/games/jogl/GL;Ljava/lang/String;III)I(Utils.java:72)
        at
org.ww2d.core.MapCanvas.display(Lnet/java/games/jogl/GLDrawable;)V(MapCanvas.java:342)
        at
net.java.games.jogl.impl.GLDrawableHelper.display(Lnet/java/games/jogl/GLDrawable;)V(GLDrawableHelper.java:74)
        at net.java.games.jogl.GLCanvas$DisplayAction.run()V(GLCanvas.java:249)
        at
net.java.games.jogl.impl.GLContext.invokeGL(Ljava/lang/Runnable;ZLjava/lang/Runnable;)V(GLContext.java:292)
        at
net.java.games.jogl.GLCanvas.maybeDoSingleThreadedWorkaround(Ljava/lang/Runnable;Ljava/lang/Runnable;Z)V(GLCanvas.java:236)
        at net.java.games.jogl.GLCanvas.display()V(GLCanvas.java:77)
        at
net.java.games.jogl.GLCanvas.paint(Ljava/awt/Graphics;)V(GLCanvas.java:86)
        at
gnu.java.awt.peer.gtk.GtkCanvasPeer.handleEvent(Ljava/awt/AWTEvent;)V(GtkCanvasPeer.java:80)
        at
java.awt.Component.dispatchEventImpl(Ljava/awt/AWTEvent;)V(Component.java:4836)
        at
java.awt.Component.dispatchEvent(Ljava/awt/AWTEvent;)V(Component.java:2317)
        at
java.awt.EventQueue.dispatchEvent(Ljava/awt/AWTEvent;)V(EventQueue.java:474)
        at java.awt.EventDispatchThread.run()V(EventDispatchThread.java:75)
        at java.lang.VMThread.run()V(VMThread.java:135)

"GTK main thread" prio=5 tid=0x0000000041802960
        at gnu.java.awt.peer.gtk.GtkToolkit.gtkMain()V(Native Method)
        at gnu.java.awt.peer.gtk.GtkToolkit$1.run()V(GtkToolkit.java:129)
        at java.lang.VMThread.run()V(VMThread.java:135)

"Timer-1" daemon prio=5 tid=0x0000000041001960
        at java.lang.VMObject.wait(Ljava/lang/Object;JI)V(Native Method)
        at java.lang.Object.wait()V(Object.java:434)
        at
java.util.Timer$TaskQueue.serve()Ljava/util/TimerTask;(Timer.java:235)
        at java.util.Timer$Scheduler.run()V(Timer.java:380)
        at java.lang.Thread.run()V(Thread.java:674)
        at java.lang.VMThread.run()V(VMThread.java:135)

"Finalizer" daemon prio=5 tid=0x0000000040800960
        <<No stacktrace available>>


-- 
           Summary: WW2D window stays gray
           Product: classpath
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: classpath
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: twisti at complang dot tuwien dot ac dot at


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25804