> gdb /net/sapmnt.hs0131.q_hs0131/d046063/OpenJDK/hotspot_test2/hotspot_c2_debug/linux_i486_compiler2/jvmg/gamma GNU gdb 6.3 Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i586-suse-linux"...Using host libthread_db library "/lib/tls/libthread_db.so.1". (gdb) set environment JAVA_HOME=/net/sapmnt.hs0131.q_hs0131/d046063/OpenJDK/jdk7/build/openjdk_full_debug/j2sdk-image (gdb) set environment LD_LIBRARY_PATH=/net/sapmnt.hs0131.q_hs0131/d046063/OpenJDK/hotspot_test2/hotspot_c2_debug/linux_i486_compiler2/jvmg (gdb) break breakpoint Function "breakpoint" not defined. Make breakpoint pending on future shared library load? (y or [n]) y Breakpoint 1 (breakpoint) pending. (gdb) run -XX:StopInterpreterAt=1 -XX:+TraceBytecodes -version Starting program: /net/sapmnt.hs0131.q_hs0131/d046063/OpenJDK/hotspot_test2/hotspot_c2_debug/linux_i486_compiler2/jvmg/gamma -XX:StopInterpreterAt=1 -XX:+TraceBytecodes -version [Thread debugging using libthread_db enabled] [New Thread 1075287744 (LWP 28615)] Breakpoint 2 at 0x665d5fb: file /net/sapmnt.hs0131.q_hs0131/d046063/OpenJDK/hotspot_test2/abc/src/os/linux/vm/os_linux.cpp, line 394. Pending breakpoint "breakpoint" resolved VM option 'StopInterpreterAt=1' VM option '+TraceBytecodes' [New Thread -2097980496 (LWP 28628)] [New Thread -2097452112 (LWP 28629)] [New Thread -2096923728 (LWP 28630)] [New Thread -2096395344 (LWP 28631)] [New Thread -2093954128 (LWP 28632)] [28615] static void java.lang.Object.() [28615] 1 0 invokestatic 2304 <()V> [Switching to Thread 1075287744 (LWP 28615)] Breakpoint 2, breakpoint () at /net/sapmnt.hs0131.q_hs0131/d046063/OpenJDK/hotspot_test2/abc/src/os/linux/vm/os_linux.cpp:394 394 } Current language: auto; currently c++ (gdb) where #0 breakpoint () at /net/sapmnt.hs0131.q_hs0131/d046063/OpenJDK/hotspot_test2/abc/src/os/linux/vm/os_linux.cpp:394 #1 0x0665d5f5 in os::breakpoint () at /net/sapmnt.hs0131.q_hs0131/d046063/OpenJDK/hotspot_test2/abc/src/os/linux/vm/os_linux.cpp:389 #2 0x40246164 in ?? () #3 0xbfffc4e8 in ?? () #4 0x432f5c54 in ?? () #5 0xbfffc50c in ?? () #6 0x43370f60 in ?? () #7 0x00000000 in ?? () #8 0x432f5c60 in ?? () #9 0x00000000 in ?? () #10 0xbfffc510 in ?? () #11 0xbfffc528 in ?? () #12 0x4022d3b0 in ?? () #13 0xbfffc5dc in ?? () #14 0x0804e2e8 in ?? () #15 0x00001f80 in ?? () #16 0x4022d32a in ?? () #17 0x40016440 in __libc_missing_32bit_uids () from /lib/ld-linux.so.2 #18 0x0804b860 in __libc_csu_fini () at elf-init.c:99 Previous frame inner to this frame (corrupt stack?) (gdb) n os::breakpoint () at /net/sapmnt.hs0131.q_hs0131/d046063/OpenJDK/hotspot_test2/abc/src/os/linux/vm/os_linux.cpp:390 390 } (gdb)