Crash Hotspot

[Christian Thalinger]

On Mon, 2010-01-25 at 14:14 +0100, Mark Christiaens wrote:
> I've experienced a number of hotspot crashes with b78 - b80.  They
> seem to appear only when I enable the use of the G1 GC.  I've attached
> a number of crash logs.  I'm running NetBeans 6.8 (which crashes once
> in a couple of hours) with the following options: 
> 
> netbeans_default_options="-J-Xss2m --fontsize 12
> -J-Djava.library.path=/usr/lib64/ -J-Dapple.laf.useScreenMenuBar=true
> --laf javax.swing.plaf.metal.MetalLookAndFeel -J-XX:PermSize=32m
> -J-XX:MaxPermSize=100m -J-Xmx1024m -J-Dnetbeans.logger.console=true
> -J-XX:+DoEscapeAnalysis -J-XX:+UseCompressedOops -J-XX:
> +UnlockExperimentalVMOptions -J-XX:+PrintGCDetails -J-XX:+UseG1GC"
> 
> When I instead use the default GC with the other command line
> parameters unchanged then everything runs smoothly for days.  If I can
> provide any more info regarding my setup, do let me know. 

I'm not a GC expert here, but maybe this is the same problem as:

http://mail.openjdk.java.net/pipermail/hotspot-dev/2010-January/002576.html

Could you try -XX:-ReduceInitialCardMarks?

-- Christian