Compiling openjdk8 takes forever on RPI4.

[Ronald Klop]

Van: Ronald Klop <ronald-lists at klop.ws>
Datum: maandag, 22 maart 2021 18:11
Aan: java at freebsd.org, arm at freebsd.org
Onderwerp: Compiling openjdk8 takes forever on RPI4.
> 
> Hi,
> 
> I'm using poudriere to compile ports. It runs on an RPI4 8GB.
> FreeBSD jail13 14.0-CURRENT #6 main-34d696110: Sat Feb 27 05:01:05 CET 2021
> 
> Compilation is already going on for the second days. I have compiled this port in the past in a couple of hours. NB: this compiles fine in the official pkg builders.
> http://www.ipv6proxy.net/go.php?u=http%3A%2F%2Fampere2.nyi.freebsd.org%2Fdata%2Fmain-arm64-default%2Fp568824_s7af04dff02%2Flogs%2Fopenjdk8-8.282.08.1.log&b=0&f=norefer
> 
> I used jstack to look at what it is doing. The main stack which keeps showing up is this:
> 
> "main" #1 prio=5 os_prio=15 tid=0x0000000041c41000 nid=0x3f560 runnable [0x0000ffffbfff8000]
>    java.lang.Thread.State: RUNNABLE
>     at sun.misc.FDBigInteger.rightInplaceSub(FDBigInteger.java:890)
>     at sun.misc.FloatingDecimal$ASCIIToBinaryBuffer.doubleValue(FloatingDecimal.java:1357)
>     at sun.misc.FloatingDecimal.parseDouble(FloatingDecimal.java:110)
>     at java.lang.Double.parseDouble(Double.java:538)
>     at java.lang.Double.valueOf(Double.java:502)
>     at com.sun.tools.javac.parser.JavacParser.literal(JavacParser.java:720)
>     at com.sun.tools.javac.parser.JavacParser.literal(JavacParser.java:659)
>     at com.sun.tools.javac.parser.JavacParser.term3(JavacParser.java:1196)
>     at com.sun.tools.javac.parser.JavacParser.term2(JavacParser.java:909)
>     at com.sun.tools.javac.parser.JavacParser.term1(JavacParser.java:880)
>     at com.sun.tools.javac.parser.JavacParser.term(JavacParser.java:836)
>     at com.sun.tools.javac.parser.JavacParser.term(JavacParser.java:816)
>     at com.sun.tools.javac.parser.JavacParser.parseExpression(JavacParser.java:779)
>     at com.sun.tools.javac.parser.JavacParser.variableInitializer(JavacParser.java:2291)
>     at com.sun.tools.javac.parser.JavacParser.variableDeclaratorRest(JavacParser.java:3035)
>     at com.sun.tools.javac.parser.JavacParser.variableDeclaratorsRest(JavacParser.java:3006)
>     at com.sun.tools.javac.parser.JavacParser.classOrInterfaceBodyDeclaration(JavacParser.java:3537)
>     at com.sun.tools.javac.parser.JavacParser.classOrInterfaceBody(JavacParser.java:3436)
>     at com.sun.tools.javac.parser.JavacParser.classDeclaration(JavacParser.java:3285)
>     at com.sun.tools.javac.parser.JavacParser.classOrInterfaceOrEnumDeclaration(JavacParser.java:3226)
>     at com.sun.tools.javac.parser.JavacParser.typeDeclaration(JavacParser.java:3215)
>     at com.sun.tools.javac.parser.JavacParser.parseCompilationUnit(JavacParser.java:3155)
>     at com.sun.tools.javac.main.JavaCompiler.parse(JavaCompiler.java:628)
>     at com.sun.tools.javac.main.JavaCompiler.complete(JavaCompiler.java:772)
>     at com.sun.tools.javac.main.JavaCompiler$1.complete(JavaCompiler.java:312)
>     at com.sun.tools.javac.jvm.ClassReader.fillIn(ClassReader.java:2535)
> ... more lines skipped for brevity...
> 
> The tail of the buildlog is:
> ...
> [01:02:41] ## Starting jdk
> ...
> [01:05:50] [Error] encoded value was greater than 3: encode(15.029411, 1.0, 14.0, 15.0)
> [01:05:50] [Error] encoded value was less than 0: encode(-0.05882353, 1.0, 24.0, 25.0)
> [01:05:50] [Error] encoded value was greater than 3: encode(15.029411, 1.0, 14.0, 15.0)
> [01:05:50] [Error] encoded value was less than 0: encode(-0.05882353, 1.0, 24.0, 25.0)
> [01:05:57] [Error] Encountered Infinity: encode(-0.00877193, 0.0, 7.0, 7.0)
> [01:13:57] Verifying /wrkdirs/usr/ports/java/openjdk8/work/openjdk-jdk8u-jdk8u282-b08.1/build/bsd-aarch64-normal-zero-release/jdk/gensrc_x11wrappers/sizes.64.verification.tmp to /wrkdirs/usr/ports/java/openjdk8/work/openjdk-jdk8u-jdk8u282-b08.1/build/bsd-aarch64-normal-zero-release/jdk/gensrc_x11wrappers/sizes.64
> 
> 
> And this is the last output for 32 hours already. I have no idea if the last logline has anything todo with the current activity of the compiling process.
> 
> Any thoughts on how to fix or debug this? Would it be a Java, OS or RPI4 problem?
> 
> Regards,
> Ronald.
>  
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> 
> 
> 


Hi,

I have no idea why, but it seams that enabling /usr/ports/java/openjdk8/files/fpuhack.patch on aarch64 fixes my build on 14.0/aarch64. Does this make sense? In the Makefile it was only enabled on armv6 and armv7.

Regards,
Ronald.