<Swing Dev> JDK 16 Linux Swing segfault

[Philip Race]

Yes. Sounds right. ALL reports of this so far are on an Arch Linux distro.
Not seen on Debian/Ubuntu or RH/OL/Centos

-phil.

On 12/7/20, 1:38 PM, Ty Young wrote:
> I use Arch Linux(btw), which is a "bleeding edge" Linux distro. The 
> distro mentioned in that bug report is based on Arch Linux.
>
>
> On 12/7/20 3:34 PM, Philip Race wrote:
>> Looks like https://bugs.openjdk.java.net/browse/JDK-8255790 which has 
>> not been
>> seen on any of our supported Linux configs - what are you using ?
>>
>> -phil
>>
>> On 12/7/20, 1:20 PM, Ty Young wrote:
>>> Hi,
>>>
>>>
>>> Just sending this to report that as of right now there is somekind 
>>> of regression in the GTK bindings code that is causing a segfault 
>>> and as a result Netbeans (or presumably any other IDE) will not run 
>>> on JDK 16 on Linux. This doesn't happen with Java 11. Here is the 
>>> error trace that Netbeans spits out after segfaulting:
>>>
>>>
>>> Current thread (0x00007f5cdc1364e0):  JavaThread "AWT-EventQueue-0" 
>>> [_thread_in_native, id=181601, 
>>> stack(0x00007f5cd5c2e000,0x00007f5cd5e2f000)]
>>>
>>> Stack: [0x00007f5cd5c2e000,0x00007f5cd5e2f000], 
>>> sp=0x00007f5cd5e2c058,  free space=2040k
>>> Native frames: (J=compiled Java code, A=aot compiled Java code, 
>>> j=interpreted, Vv=VM code, C=native code)
>>> C  0x00007f5c80de40cc
>>>
>>> Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
>>> j com.sun.java.swing.plaf.gtk.GTKStyle.nativeGetXThickness(I)I+0 
>>> java.desktop at 16-internal
>>> j 
>>> com.sun.java.swing.plaf.gtk.GTKStyle.<init>(Ljava/awt/Font;Lcom/sun/java/swing/plaf/gtk/GTKEngine$WidgetType;)V+24 
>>> java.desktop at 16-internal
>>> j 
>>> com.sun.java.swing.plaf.gtk.GTKStyleFactory.getStyle(Ljavax/swing/JComponent;Ljavax/swing/plaf/synth/Region;)Ljavax/swing/plaf/synth/SynthStyle;+310 
>>> java.desktop at 16-internal
>>> j 
>>> com.sun.java.swing.plaf.gtk.GTKLookAndFeel.initSystemColorDefaults(Ljavax/swing/UIDefaults;)V+53 
>>> java.desktop at 16-internal
>>> j 
>>> com.sun.java.swing.plaf.gtk.GTKLookAndFeel.getDefaults()Ljavax/swing/UIDefaults;+33 
>>> java.desktop at 16-internal
>>> j 
>>> javax.swing.UIManager.setLookAndFeel(Ljavax/swing/LookAndFeel;)V+66 
>>> java.desktop at 16-internal
>>> j  javax.swing.UIManager.setLookAndFeel(Ljava/lang/String;)V+34 
>>> java.desktop at 16-internal
>>> j  org.netbeans.swing.plaf.Startup.initialize()V+106
>>> j  org.netbeans.swing.plaf.Startup.<init>()V+25
>>> j 
>>> org.netbeans.swing.plaf.Startup.run(Ljava/lang/Class;ILjava/net/URL;Ljava/util/ResourceBundle;)V+44
>>> j  org.netbeans.core.CoreBridgeImpl$1$1.run()V+23
>>> J 3088 c1 java.awt.event.InvocationEvent.dispatch()V 
>>> java.desktop at 16-internal (69 bytes) @ 0x00007f5d593829ac 
>>> [0x00007f5d59382780+0x000000000000022c]
>>> J 3071 c1 
>>> java.awt.EventQueue.dispatchEventImpl(Ljava/awt/AWTEvent;Ljava/lang/Object;)V 
>>> java.desktop at 16-internal (136 bytes) @ 0x00007f5d593786dc 
>>> [0x00007f5d59376b80+0x0000000000001b5c]
>>> J 3070 c1 java.awt.EventQueue$4.run()Ljava/lang/Void; 
>>> java.desktop at 16-internal (60 bytes) @ 0x00007f5d593747bc 
>>> [0x00007f5d59374680+0x000000000000013c]
>>> J 3065 c1 java.awt.EventQueue.dispatchEvent(Ljava/awt/AWTEvent;)V 
>>> java.desktop at 16-internal (80 bytes) @ 0x00007f5d59375424 
>>> [0x00007f5d59374e60+0x00000000000005c4]
>>> J 3074 c1 java.awt.EventDispatchThread.pumpOneEventForFilters(I)V 
>>> java.desktop at 16-internal (113 bytes) @ 0x00007f5d5937c934 
>>> [0x00007f5d5937c2a0+0x0000000000000694]
>>> j 
>>> java.awt.EventDispatchThread.pumpEventsForFilter(ILjava/awt/Conditional;Ljava/awt/EventFilter;)V+35 
>>> java.desktop at 16-internal
>>> j 
>>> java.awt.EventDispatchThread.pumpEventsForHierarchy(ILjava/awt/Conditional;Ljava/awt/Component;)V+11 
>>> java.desktop at 16-internal
>>> j 
>>> java.awt.EventDispatchThread.pumpEvents(ILjava/awt/Conditional;)V+4 
>>> java.desktop at 16-internal
>>> j java.awt.EventDispatchThread.pumpEvents(Ljava/awt/Conditional;)V+3 
>>> java.desktop at 16-internal
>>> j  java.awt.EventDispatchThread.run()V+9 java.desktop at 16-internal
>>> v  ~StubRoutines::call_stub
>>>
>>>
>>> Much appreciated if this could be fixed.
>>>
>>>
>>>