The latest 1.6 C2 SEGV running jlapack-0.6.

Tom peeled out a test case into a small jar file that fails with CompileTheWorld.

foundation% /java/re/jdk/1.6.0/promoted/latest/binaries/solaris-i586/fastdebug/bin/java -server -XX:+PrintCompilation -Xbootclasspath/p:dla.jar -XX:+CompileTheWorld
VM option '+PrintCompilation'
VM option '+CompileTheWorld'
CompileTheWorld : Compiling all classes in /tmp/kvn/prof/dla.jar

CompileTheWorld (1) : RandomReturn
  1   b   RandomReturn::getChar (5 bytes)
  2   b   RandomReturn::<init> (5 bytes)
  3   b   RandomReturn::<clinit> (11 bytes)
  4   b   RandomReturn::nextInt (7 bytes)
  5   b   RandomReturn::nextDouble (7 bytes)
  6   b   RandomReturn::nextLong (7 bytes)
  7   b   RandomReturn::nextBoolean (7 bytes)
  8   b   RandomReturn::nextFloat (7 bytes)
CompileTheWorld (2) : doubleW
  9   b   doubleW::<init> (10 bytes)
CompileTheWorld (3) : intW
 10   b   intW::<init> (10 bytes)
CompileTheWorld (4) : Dlatms
 11   b   Dlatms::<init> (5 bytes)
 12   b   Dlatms::dlatms (7637 bytes)
#
# An unexpected error has been detected by Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0xfe1c9305, pid=19403, tid=12
#
# Java VM: Java HotSpot(TM) Server VM (1.6.0-rc-fastdebug-b95-debug mixed mode)
# Problematic frame:
# V  [libjvm.so+0x9c9305]
#
# An error report file with more information is saved as hs_err_pid19403.log
#
# If you would like to submit a bug report, please visit:
#   http://java.sun.com/webapps/bugreport/crash.jsp
#
Current thread is 12
Dumping core ...
Abort
foundation% hs_err hs_err_pid19403.log
#
# An unexpected error has been detected by Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0xfe1c9305, pid=19403, tid=12
#
# Java VM: Java HotSpot(TM) Server VM (1.6.0-rc-fastdebug-b95-debug mixed mode)
# Problematic frame:
# V  [libjvm.so+0x9c9305]
#
# If you would like to submit a bug report, please visit:
#   http://java.sun.com/webapps/bugreport/crash.jsp
#

---------------  T H R E A D  ---------------

Current thread (0x081bdc00):  JavaThread "CompilerThread1" daemon [_thread_in_native, id=12]

siginfo:si_signo=11, si_errno=0, si_code=1, si_addr=0x00000020

Registers:
EAX=0x00000000, EBX=0xfec2f628, ECX=0x7fffffff, EDX=0x00000002
ESP=0xb59fd864, EBP=0xb59fd890, ESI=0x08968128, EDI=0x0836985c
EIP=0xfe1c9305, EFLAGS=0x00010202

Top of Stack: (sp=0xb59fd864)
0xb59fd864:   08968510 08968510 fec2f628 fea45036
0xb59fd874:   0000009d b59fe9a0 fed11298 0811cc68
0xb59fd884:   0000000e 08968510 00000003 b59fd8d4
0xb59fd894:   fe0ff0c4 08968510 b59fe9a0 00000001
0xb59fd8a4:   089680c8 b59fe9a0 fec2f628 00000020
0xb59fd8b4:   081bdc00 089679e0 fec2f628 b59fe9e0
0xb59fd8c4:   fec68468 fe1c9194 00000001 b59fe9a0
0xb59fd8d4:   b59fd904 fe0fee56 b59fe9a0 089680c8

Instructions: (pc=0xfe1c9305)
0xfe1c92f5:   83 7e 10 01 0f 86 38 0f 00 00 8b 46 04 8b 40 04
0xfe1c9305:   0f b7 40 20 83 e0 7f 83 f8 60 0f 85 d1 00 00 00

Stack: [0xb59c0000,0xb5a00000),  sp=0xb59fd864,  free space=246k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0x9c9305] Node*SubINode::Ideal(PhaseGVN*,bool) + 0x171
V  [libjvm.so+0x8ff0c4] Node*PhaseIterGVN::transform_old(Node*) + 0x218
V  [libjvm.so+0x8fee56] Node*PhaseIterGVN::transform(Node*) + 0xbe
V  [libjvm.so+0x12d0f6] Node*AddNode::Ideal(PhaseGVN*,bool) + 0x1ee
V  [libjvm.so+0x12e255] Node*AddINode::Ideal(PhaseGVN*,bool) + 0x7ed
V  [libjvm.so+0x8ff0c4] Node*PhaseIterGVN::transform_old(Node*) + 0x218
V  [libjvm.so+0x8fee56] Node*PhaseIterGVN::transform(Node*) + 0xbe
V  [libjvm.so+0x7b939b] Node*PhaseIdealLoop::is_counted_loop(Node*,IdealLoopTree*) + 0x14a7
V  [libjvm.so+0x7beac0] void IdealLoopTree::counted_loop(PhaseIdealLoop*) + 0x6c
V  [libjvm.so+0x7bf488] void IdealLoopTree::counted_loop(PhaseIdealLoop*) + 0xa34
V  [libjvm.so+0x7bf49b] void IdealLoopTree::counted_loop(PhaseIdealLoop*) + 0xa47
V  [libjvm.so+0x7bf49b] void IdealLoopTree::counted_loop(PhaseIdealLoop*) + 0xa47
V  [libjvm.so+0x7bf49b] void IdealLoopTree::counted_loop(PhaseIdealLoop*) + 0xa47
V  [libjvm.so+0x7bf49b] void IdealLoopTree::counted_loop(PhaseIdealLoop*) + 0xa47
V  [libjvm.so+0x7bf49b] void IdealLoopTree::counted_loop(PhaseIdealLoop*) + 0xa47
V  [libjvm.so+0x7bf49b] void IdealLoopTree::counted_loop(PhaseIdealLoop*) + 0xa47
V  [libjvm.so+0x7bf49b] void IdealLoopTree::counted_loop(PhaseIdealLoop*) + 0xa47
V  [libjvm.so+0x7bf49b] void IdealLoopTree::counted_loop(PhaseIdealLoop*) + 0xa47
V  [libjvm.so+0x7bf49b] void IdealLoopTree::counted_loop(PhaseIdealLoop*) + 0xa47
V  [libjvm.so+0x7bf49b] void IdealLoopTree::counted_loop(PhaseIdealLoop*) + 0xa47
V  [libjvm.so+0x7bf49b] void IdealLoopTree::counted_loop(PhaseIdealLoop*) + 0xa47
V  [libjvm.so+0x7bf488] void IdealLoopTree::counted_loop(PhaseIdealLoop*) + 0xa34
V  [libjvm.so+0x7c0047] PhaseIdealLoop::PhaseIdealLoop(PhaseIterGVN&,const PhaseIdealLoop*,bool) + 0x72b
V  [libjvm.so+0x2af0c9] void Compile::Optimize() + 0x26d
V  [libjvm.so+0x2ab546] Compile::Compile(ciEnv*,C2Compiler*,ciMethod*,int,bool)+ 0xb9a
V  [libjvm.so+0x1a3228] void C2Compiler::compile_method(ciEnv*,ciMethod*,int) +0x68
V  [libjvm.so+0x2bd9bc] void CompileBroker::invoke_compiler_on_method(CompileTask*) + 0xbd0
V  [libjvm.so+0x2bc5cc] void CompileBroker::compiler_thread_loop() + 0x798
V  [libjvm.so+0xa2a512] void compiler_thread_entry(JavaThread*,Thread*) + 0x2a
V  [libjvm.so+0xa2346e] void JavaThread::thread_main_inner() + 0x16e
V  [libjvm.so+0xa23218] void JavaThread::run() + 0x358
V  [libjvm.so+0x896037] java_start + 0xe3
C  [libc.so.1+0x9f6f8] _thr_setup + 0x4e
C  [libc.so.1+0x9f9e0] _lwp_start + 0x0


Current CompileTask:
opto: 12   b  Dlatms.dlatms(IILjava/lang/String;[IILjava/lang/String;[DIIDDIILjava/lang/String;[DII[DILintW;)V (7637 bytes)


---------------  P R O C E S S  ---------------

Java Threads: ( => current thread )
  0x081c0000 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=13]
=>0x081bdc00 JavaThread "CompilerThread1" daemon [_thread_in_native, id=12]
  0x081bc400 JavaThread "CompilerThread0" daemon [_thread_blocked, id=11]
  0x081bac00 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=10]
  0x08199c00 JavaThread "Finalizer" daemon [_thread_blocked, id=9]
  0x08198c00 JavaThread "Reference Handler" daemon [_thread_blocked, id=8]
  0x08083c00 JavaThread "main" [_thread_blocked, id=2]

Other Threads:
  0x08194c00 VMThread [id=7]
  0x081c2400 WatcherThread [id=14]

VM state:not at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread: None

Heap
 PSYoungGen      total 12544K, used 215K [0xf3000000, 0xf3e00000, 0xfa200000)
  eden space 10752K, 2% used [0xf3000000,0xf3035c38,0xf3a80000)
  from space 1792K, 0% used [0xf3c40000,0xf3c40000,0xf3e00000)
  to   space 1792K, 0% used [0xf3a80000,0xf3a80000,0xf3c40000)
 PSOldGen        total 110592K, used 0K [0xba000000, 0xc0c00000, 0xf3000000)
  object space 110592K, 0% used [0xba000000,0xba000000,0xc0c00000)
 PSPermGen       total 16384K, used 1642K [0xb6000000, 0xb7000000, 0xba000000)
  object space 16384K, 10% used [0xb6000000,0xb619a870,0xb7000000)


VM Arguments:
jvm_args: -XX:+PrintCompilation -Xbootclasspath/p:dla.jar -XX:+CompileTheWorld
java_command: <unknown>
Launcher Type: SUN_STANDARD

Environment Variables:
JAVA_HOME=/export/home/kvn/jdk1.6.0_b84
CLASSPATH=/net/jaberwocky/export/home2/work/6380525/build/solaris
PATH=/java/devtools/i386/SUNWspro/SS11/bin:./:/home/kvn/bin:/bin:/usr/j2se/bin:/
usr/dt/bin:/usr/ccs/bin:/usr/ccs/lib:/usr/bin:/usr/lib:/usr/sbin:/usr/ucb:/usr/u
cb/bin:/sbin:/etc:/usr/openwin/bin:/opt/SUNWspro/bin:/set/misc/local/bin:.
LD_LIBRARY_PATH=/net/jre.sfbay/p/v06/jdk/6.0/rc/b95/binaries/solaris-i586/fastde
bug/jre/lib/i386/server:/net/jre.sfbay/p/v06/jdk/6.0/rc/b95/binaries/solaris-i58
6/fastdebug/jre/lib/i386:/net/jre.sfbay/p/v06/jdk/6.0/rc/b95/binaries/solaris-i5
86/fastdebug/jre/../lib/i386:.
SHELL=/bin/csh

Signal Handlers:
SIGSEGV: [libjvm.so+0xafb4e0], sa_mask[0]=0xffbffeff, sa_flags=0x0000000c
SIGBUS: [libjvm.so+0xafb4e0], sa_mask[0]=0xffbffeff, sa_flags=0x0000000c
SIGFPE: [libjvm.so+0x89b474], sa_mask[0]=0xffbffeff, sa_flags=0x0000000c
SIGPIPE: [libjvm.so+0x89b474], sa_mask[0]=0xffbffeff, sa_flags=0x0000000c
SIGILL: [libjvm.so+0x89b474], sa_mask[0]=0xffbffeff, sa_flags=0x0000000c
SIGUSR1: SIG_DFL, sa_mask[0]=0x00000000, sa_flags=0x00000000
SIGUSR2: SIG_DFL, sa_mask[0]=0x00000000, sa_flags=0x00000000
SIGHUP: [libjvm.so+0x898498], sa_mask[0]=0xffbffeff, sa_flags=0x00000004
SIGINT: [libjvm.so+0x898498], sa_mask[0]=0xffbffeff, sa_flags=0x00000004
SIGQUIT: [libjvm.so+0x898498], sa_mask[0]=0xffbffeff, sa_flags=0x00000004
SIGTERM: [libjvm.so+0x898498], sa_mask[0]=0xffbffeff, sa_flags=0x00000004
SIGQUIT: [libjvm.so+0x898498], sa_mask[0]=0xffbffeff, sa_flags=0x00000004
SIGTERM: [libjvm.so+0x898498], sa_mask[0]=0xffbffeff, sa_flags=0x00000004
SIG39: [libjvm.so+0x89b4a0], sa_mask[0]=0x00000000, sa_flags=0x00000008
SIG40: [libjvm.so+0x89b474], sa_mask[0]=0xffbffeff, sa_flags=0x0000000c


---------------  S Y S T E M  ---------------

OS:                          Solaris 10 3/05 s10_74L2a X86
           Copyright 2005 Sun Microsystems, Inc.  All Rights Reserved.
                        Use is subject to license terms.
                            Assembled 22 January 2005

uname:SunOS 5.10 Generic_118844-28 i86pc  (T2 libthread)
rlimit: STACK 10240k, CORE 0k, NOFILE 65536, AS infinity
load average:1.28 1.61 2.38

CPU:total 4 family 15, cmov, cx8, fxsr, mmx, sse, sse2, mmxext, 3dnowext, 3dnow

Memory: 4k page, physical 7928872k(1839560k free)

vm_info: Java HotSpot(TM) Server VM (1.6.0-rc-fastdebug-b95) for solaris-x86, bu
ilt on Aug 10 2006 02:31:06 by "" with unknown Workshop:0x580

foundation%