<Swing Dev> JDK 16 Linux Swing segfault

[Philip Race]

Whilst we appreciate the report, we would never give an ETA here. It 
isn't a support channel.
I can say that it is being investigated but since it doesn't occur on a 
supported platform it is not a high priority.

-phil.

On 12/7/20, 5:03 PM, Ty Young wrote:
> Is there an ETA on when this will be fixed?
>
>
> On 12/7/20 3:47 PM, Philip Race wrote:
>> 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.
>>>>>
>>>>>
>>>>>