RE: [Xen-devel] Java Problems

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

Do you use our -xen0 / -xenU kernels or compile your own?
Can you reproduce this on 2.0.7 or unstable ?

Thanks,
Ian

> Hi.  This post follows on from:
> http://lists.xensource.com/archives/html/xen-devel/2005-04/msg
> 00185.html
> 
> And is possibly related to the bug referenced here:
> http://bugs.sun.com/bugdatabase/view_bug.do;:YfiG?bug_id=4335360
> 
> In summary: Java processes are doing odd things.
> 
> 1) It appears that number values are mysteriously changing.  
> e.g. if you 
> look at the Hashtable error there is no way the 
> IllegalArgumentException 
> could be thrown, unless the float value passed into a 
> function is being 
> corrupted somehow on the stack.
> 
> 2) I'm seeing JVM crashes (e.g. the ColorModel crash below).  
> I'm seeing 
> other crashes inside native code methods in other apps I'm running.
> 
> I've tried this with/without /lib/tls.  And on a RHEL4 and 
> Debian Sarge 
> DomU.
> 
> I don't see either problem when the same app runs on a non-Xen server.
> 
> Guesswork: I notice that SSE comes up in related to other reports of 
> this bug (http://www.tommesani.com/SSE.html, 
> http://bugs.sun.com/bugdatabase/view_bug.do;:YfiG?bug_id=4948500). 
> Perhaps there is some kind of register corruption going on?  Or 
> something that could corrupt float arguments on the stack?  And if 
> that's the case then this could be something with wider implications 
> than just Java processes.
> 
> Does anyone have any ideas what it might be?  If you're interested in 
> tracking it down, the following test case may help.
> 
> Regards, Peter
> http://rimuhosting.com - Xen VPS Hosting
> 
> 
> # prerequisite you'll need to install a 1.5 JDK from sun
> # host is Xen 2.0.6
> # uname -r
> 2.6.11.10-xenU-rimu1
> #  wget http://downloads.rimuhosting.com/FillTest.java
> #  javac -target 1.4 -source 1.4 FillTest.java; while true; do java 
> -client -Djava.awt.headless=true FillTest; ret=$?; if [ $? 
> -ne 0 ]; then 
> echo ret=$ret; break; fi; done
> iteration 1
> iteration 100001
> iteration 200001
> Exception in thread "main" 
> java.lang.IllegalArgumentException: Width (7) 
> and height (-2147483648) cannot be <= 0
>          at 
> java.awt.image.DirectColorModel.createCompatibleWritableRaster
> (DirectColorModel.java:999)
>          at 
> java.awt.image.BufferedImage.<init>(BufferedImage.java:314)
>          at FillTest.test(FillTest.java:19)
>          at FillTest.main(FillTest.java:11)
> iteration 1
> iteration 100001
> iteration 1500001
> Exception in thread "main" 
> java.lang.IllegalArgumentException: Illegal 
> Load: NaN
>          at java.util.Hashtable.<init>(Hashtable.java:160)
>          at java.util.Hashtable.<init>(Hashtable.java:186)
>          at 
> sun.awt.image.CachingSurfaceManager.<init>(CachingSurfaceManag
> er.java:163)
>          at 
> sun.awt.motif.X11CachingSurfaceManager.<init>(X11CachingSurfac
> eManager.java:57)
>          at 
> sun.java2d.SurfaceManagerFactory.createCachingManager(SurfaceM
> anagerFactory.java:38)
>          at 
> sun.awt.image.SurfaceManager.getManager(SurfaceManager.java:69)
>          at 
> sun.awt.image.SurfaceManager.getManager(SurfaceManager.java:45)
>          at 
> sun.java2d.SurfaceData.getDestSurfaceData(SurfaceData.java:113)
>          at 
> sun.java2d.SunGraphicsEnvironment.createGraphics(SunGraphicsEn
> vironment.java:337)
>          at 
> sun.java2d.HeadlessGraphicsEnvironment.createGraphics(Headless
> GraphicsEnvironment.java:77)
>          at 
> java.awt.image.BufferedImage.createGraphics(BufferedImage.java:1143)
>          at FillTest.test(FillTest.java:20)
>          at FillTest.main(FillTest.java:11)
> iteration 1
> iteration 100001
> iteration 1200001
> iteration 1300001
> #
> # An unexpected error has been detected by HotSpot Virtual Machine:
> #
> #  SIGSEGV (0xb) at pc=0x439437dd, pid=20786, tid=16384
> #
> # Java VM: Java HotSpot(TM) Client VM (1.5.0_04-b05 mixed 
> mode, sharing)
> # Problematic frame:
> # J  
> java.awt.image.ColorModel.<init>(I[ILjava/awt/color/ColorSpace;ZZII)V
> #
> # An error report file with more information is saved as 
> hs_err_pid20786.log
> #
> # If you would like to submit a bug report, please visit:
> #   http://java.sun.com/webapps/bugreport/crash.jsp
> #
> Aborted
> iteration 1
> iteration 100001
> iteration 200001
> iteration 300001
> iteration 700001
> #
> # An unexpected error has been detected by HotSpot Virtual Machine:
> #
> #  SIGSEGV (0xb) at pc=0x439437dd, pid=22123, tid=16384
> #
> # Java VM: Java HotSpot(TM) Client VM (1.5.0_04-b05 mixed 
> mode, sharing)
> # Problematic frame:
> # J  
> java.awt.image.ColorModel.<init>(I[ILjava/awt/color/ColorSpace;ZZII)V
> #
> # An error report file with more information is saved as 
> hs_err_pid22123.log
> #
> # If you would like to submit a bug report, please visit:
> #   http://java.sun.com/webapps/bugreport/crash.jsp
> #
> Aborted
> iteration 1
> iteration 100001
> iteration 200001
> iteration 1100001
> iteration 1200001
> Exception in thread "main" 
> java.lang.IllegalArgumentException: Illegal 
> Load: NaN
>          at java.util.Hashtable.<init>(Hashtable.java:160)
>          at java.util.Hashtable.<init>(Hashtable.java:186)
>          at 
> sun.awt.image.CachingSurfaceManager.<init>(CachingSurfaceManag
> er.java:163)
>          at 
> sun.awt.motif.X11CachingSurfaceManager.<init>(X11CachingSurfac
> eManager.java:57)
>          at 
> sun.java2d.SurfaceManagerFactory.createCachingManager(SurfaceM
> anagerFactory.java:38)
>          at 
> sun.awt.image.SurfaceManager.getManager(SurfaceManager.java:69)
>          at 
> sun.awt.image.SurfaceManager.getManager(SurfaceManager.java:45)
>          at 
> sun.java2d.SurfaceData.getDestSurfaceData(SurfaceData.java:113)
>          at 
> sun.java2d.SunGraphicsEnvironment.createGraphics(SunGraphicsEn
> vironment.java:337)
>          at 
> sun.java2d.HeadlessGraphicsEnvironment.createGraphics(Headless
> GraphicsEnvironment.java:77)
>          at 
> java.awt.image.BufferedImage.createGraphics(BufferedImage.java:1143)
>          at FillTest.test(FillTest.java:20)
>          at FillTest.main(FillTest.java:11)
> iteration 1
> iteration 100001
> 
> 
> 
> 
> 
> iteration 400001
> iteration 500001
> #
> # An unexpected error has been detected by HotSpot Virtual Machine:
> #
> #  SIGSEGV (0xb) at pc=0x43adbbdd, pid=26268, tid=16384
> #
> # Java VM: Java HotSpot(TM) Server VM (1.5.0_04-b05 mixed mode)
> # Problematic frame:
> # j  java.awt.image.SinglePixelPackedSampleModel.<init>(IIII[I)V+62
> #
> # An error report file with more information is saved as 
> hs_err_pid26268.log
> #
> # If you would like to submit a bug report, please visit:
> #   http://java.sun.com/webapps/bugreport/crash.jsp
> #
> 
> 
> iteration 500001
> Exception in thread "main" java.lang.IllegalArgumentException: 
> Dimensions (width=1 height=7) are too large
>          at java.awt.image.SampleModel.<init>(SampleModel.java:112)
>          at 
> java.awt.image.SinglePixelPackedSampleModel.<init>(SinglePixel
> PackedSampleModel.java:124)
>          at java.awt.image.Raster.createPackedRaster(Raster.java:770)
>          at java.awt.image.Raster.createPackedRaster(Raster.java:466)
>          at 
> java.awt.image.DirectColorModel.createCompatibleWritableRaster
> (DirectColorModel.java:1015)
>          at 
> java.awt.image.BufferedImage.<init>(BufferedImage.java:314)
>          at FillTest.test(FillTest.java:19)
>          at FillTest.main(FillTest.java:11)
> iteration 1
> iteration 100001
> 
> iteration 400001
> iteration 500001
> #
> # An unexpected error has been detected by HotSpot Virtual Machine:
> #
> #  SIGSEGV (0xb) at pc=0x43adbbdd, pid=24844, tid=16384
> #
> # Java VM: Java HotSpot(TM) Server VM (1.5.0_04-b05 mixed mode)
> # Problematic frame:
> # j 
> java.awt.image.ColorModel.<init>(I[ILjava/awt/color/ColorSpace
> ;ZZII)V+221
> #
> # An error report file with more information is saved as 
> hs_err_pid24844.log
> #
> # If you would like to submit a bug report, please visit:
> #   http://java.sun.com/webapps/bugreport/crash.jsp
> #
> Aborted
> 
> 
> iteration 1100001
> #
> # An unexpected error has been detected by HotSpot Virtual Machine:
> #
> #  SIGSEGV (0xb) at pc=0x43adbbdd, pid=24479, tid=16384
> #
> # Java VM: Java HotSpot(TM) Server VM (1.5.0_04-b05 mixed mode)
> # Problematic frame:
> # j 
> java.awt.image.ColorModel.<init>(I[ILjava/awt/color/ColorSpace
> ;ZZII)V+221
> #
> # An error report file with more information is saved as 
> hs_err_pid24479.log
> #
> # If you would like to submit a bug report, please visit:
> #   http://java.sun.com/webapps/bugreport/crash.jsp
> #
> Aborted
> 
> 
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