| /* |
| * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include <fcntl.h> |
| #include "precompiled.hpp" |
| #include "compiler/compileBroker.hpp" |
| #include "gc_interface/collectedHeap.hpp" |
| #include "prims/whitebox.hpp" |
| #include "runtime/arguments.hpp" |
| #include "runtime/frame.inline.hpp" |
| #include "runtime/init.hpp" |
| #include "runtime/os.hpp" |
| #include "runtime/thread.inline.hpp" |
| #include "runtime/vmThread.hpp" |
| #include "runtime/vm_operations.hpp" |
| #include "services/memTracker.hpp" |
| #include "utilities/debug.hpp" |
| #include "utilities/decoder.hpp" |
| #include "utilities/defaultStream.hpp" |
| #include "utilities/errorReporter.hpp" |
| #include "utilities/events.hpp" |
| #include "utilities/top.hpp" |
| #include "utilities/vmError.hpp" |
| |
| PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
| |
| // List of environment variables that should be reported in error log file. |
| const char *env_list[] = { |
| // All platforms |
| "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH", |
| "JAVA_COMPILER", "PATH", "USERNAME", |
| |
| // Env variables that are defined on Solaris/Linux/BSD |
| "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY", |
| "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE", |
| |
| // defined on Linux |
| "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM", |
| |
| // defined on Darwin |
| "DYLD_LIBRARY_PATH", "DYLD_FALLBACK_LIBRARY_PATH", |
| "DYLD_FRAMEWORK_PATH", "DYLD_FALLBACK_FRAMEWORK_PATH", |
| "DYLD_INSERT_LIBRARIES", |
| |
| // defined on Windows |
| "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR", |
| |
| (const char *)0 |
| }; |
| |
| // Fatal error handler for internal errors and crashes. |
| // |
| // The default behavior of fatal error handler is to print a brief message |
| // to standard out (defaultStream::output_fd()), then save detailed information |
| // into an error report file (hs_err_pid<pid>.log) and abort VM. If multiple |
| // threads are having troubles at the same time, only one error is reported. |
| // The thread that is reporting error will abort VM when it is done, all other |
| // threads are blocked forever inside report_and_die(). |
| |
| // Constructor for crashes |
| VMError::VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context) { |
| _thread = thread; |
| _id = sig; |
| _pc = pc; |
| _siginfo = siginfo; |
| _context = context; |
| |
| _verbose = false; |
| _current_step = 0; |
| _current_step_info = NULL; |
| |
| _message = NULL; |
| _detail_msg = NULL; |
| _filename = NULL; |
| _lineno = 0; |
| |
| _size = 0; |
| } |
| |
| // Constructor for internal errors |
| VMError::VMError(Thread* thread, const char* filename, int lineno, |
| const char* message, const char * detail_msg) |
| { |
| _thread = thread; |
| _id = INTERNAL_ERROR; // Value that's not an OS exception/signal |
| _filename = filename; |
| _lineno = lineno; |
| _message = message; |
| _detail_msg = detail_msg; |
| |
| _verbose = false; |
| _current_step = 0; |
| _current_step_info = NULL; |
| |
| _pc = NULL; |
| _siginfo = NULL; |
| _context = NULL; |
| |
| _size = 0; |
| } |
| |
| // Constructor for OOM errors |
| VMError::VMError(Thread* thread, const char* filename, int lineno, size_t size, |
| VMErrorType vm_err_type, const char* message) { |
| _thread = thread; |
| _id = vm_err_type; // Value that's not an OS exception/signal |
| _filename = filename; |
| _lineno = lineno; |
| _message = message; |
| _detail_msg = NULL; |
| |
| _verbose = false; |
| _current_step = 0; |
| _current_step_info = NULL; |
| |
| _pc = NULL; |
| _siginfo = NULL; |
| _context = NULL; |
| |
| _size = size; |
| } |
| |
| |
| // Constructor for non-fatal errors |
| VMError::VMError(const char* message) { |
| _thread = NULL; |
| _id = INTERNAL_ERROR; // Value that's not an OS exception/signal |
| _filename = NULL; |
| _lineno = 0; |
| _message = message; |
| _detail_msg = NULL; |
| |
| _verbose = false; |
| _current_step = 0; |
| _current_step_info = NULL; |
| |
| _pc = NULL; |
| _siginfo = NULL; |
| _context = NULL; |
| |
| _size = 0; |
| } |
| |
| // -XX:OnError=<string>, where <string> can be a list of commands, separated |
| // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by |
| // a single "%". Some examples: |
| // |
| // -XX:OnError="pmap %p" // show memory map |
| // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger |
| // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com" |
| // -XX:OnError="kill -9 %p" // ?#!@# |
| |
| // A simple parser for -XX:OnError, usage: |
| // ptr = OnError; |
| // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL) |
| // ... ... |
| static char* next_OnError_command(char* buf, int buflen, const char** ptr) { |
| if (ptr == NULL || *ptr == NULL) return NULL; |
| |
| const char* cmd = *ptr; |
| |
| // skip leading blanks or ';' |
| while (*cmd == ' ' || *cmd == ';') cmd++; |
| |
| if (*cmd == '\0') return NULL; |
| |
| const char * cmdend = cmd; |
| while (*cmdend != '\0' && *cmdend != ';') cmdend++; |
| |
| Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen); |
| |
| *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1); |
| return buf; |
| } |
| |
| |
| static void print_bug_submit_message(outputStream *out, Thread *thread) { |
| if (out == NULL) return; |
| out->print_raw_cr("# If you would like to submit a bug report, please visit:"); |
| out->print_raw ("# "); |
| out->print_raw_cr(Arguments::java_vendor_url_bug()); |
| // If the crash is in native code, encourage user to submit a bug to the |
| // provider of that code. |
| if (thread && thread->is_Java_thread() && |
| !thread->is_hidden_from_external_view()) { |
| JavaThread* jt = (JavaThread*)thread; |
| if (jt->thread_state() == _thread_in_native) { |
| out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug."); |
| } |
| } |
| out->print_raw_cr("#"); |
| } |
| |
| bool VMError::coredump_status; |
| char VMError::coredump_message[O_BUFLEN]; |
| |
| void VMError::report_coredump_status(const char* message, bool status) { |
| coredump_status = status; |
| strncpy(coredump_message, message, sizeof(coredump_message)); |
| coredump_message[sizeof(coredump_message)-1] = 0; |
| } |
| |
| |
| // Return a string to describe the error |
| char* VMError::error_string(char* buf, int buflen) { |
| char signame_buf[64]; |
| const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf)); |
| |
| if (signame) { |
| jio_snprintf(buf, buflen, |
| "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" INTPTR_FORMAT, |
| signame, _id, _pc, |
| os::current_process_id(), os::current_thread_id()); |
| } else if (_filename != NULL && _lineno > 0) { |
| // skip directory names |
| char separator = os::file_separator()[0]; |
| const char *p = strrchr(_filename, separator); |
| int n = jio_snprintf(buf, buflen, |
| "Internal Error at %s:%d, pid=%d, tid=" INTPTR_FORMAT, |
| p ? p + 1 : _filename, _lineno, |
| os::current_process_id(), os::current_thread_id()); |
| if (n >= 0 && n < buflen && _message) { |
| if (_detail_msg) { |
| jio_snprintf(buf + n, buflen - n, "%s%s: %s", |
| os::line_separator(), _message, _detail_msg); |
| } else { |
| jio_snprintf(buf + n, buflen - n, "%sError: %s", |
| os::line_separator(), _message); |
| } |
| } |
| } else { |
| jio_snprintf(buf, buflen, |
| "Internal Error (0x%x), pid=%d, tid=" INTPTR_FORMAT, |
| _id, os::current_process_id(), os::current_thread_id()); |
| } |
| |
| return buf; |
| } |
| |
| void VMError::print_stack_trace(outputStream* st, JavaThread* jt, |
| char* buf, int buflen, bool verbose) { |
| #ifdef ZERO |
| if (jt->zero_stack()->sp() && jt->top_zero_frame()) { |
| // StackFrameStream uses the frame anchor, which may not have |
| // been set up. This can be done at any time in Zero, however, |
| // so if it hasn't been set up then we just set it up now and |
| // clear it again when we're done. |
| bool has_last_Java_frame = jt->has_last_Java_frame(); |
| if (!has_last_Java_frame) |
| jt->set_last_Java_frame(); |
| st->print("Java frames:"); |
| |
| // If the top frame is a Shark frame and the frame anchor isn't |
| // set up then it's possible that the information in the frame |
| // is garbage: it could be from a previous decache, or it could |
| // simply have never been written. So we print a warning... |
| StackFrameStream sfs(jt); |
| if (!has_last_Java_frame && !sfs.is_done()) { |
| if (sfs.current()->zeroframe()->is_shark_frame()) { |
| st->print(" (TOP FRAME MAY BE JUNK)"); |
| } |
| } |
| st->cr(); |
| |
| // Print the frames |
| for(int i = 0; !sfs.is_done(); sfs.next(), i++) { |
| sfs.current()->zero_print_on_error(i, st, buf, buflen); |
| st->cr(); |
| } |
| |
| // Reset the frame anchor if necessary |
| if (!has_last_Java_frame) |
| jt->reset_last_Java_frame(); |
| } |
| #else |
| if (jt->has_last_Java_frame()) { |
| st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)"); |
| for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) { |
| sfs.current()->print_on_error(st, buf, buflen, verbose); |
| st->cr(); |
| } |
| } |
| #endif // ZERO |
| } |
| |
| // This is the main function to report a fatal error. Only one thread can |
| // call this function, so we don't need to worry about MT-safety. But it's |
| // possible that the error handler itself may crash or die on an internal |
| // error, for example, when the stack/heap is badly damaged. We must be |
| // able to handle recursive errors that happen inside error handler. |
| // |
| // Error reporting is done in several steps. If a crash or internal error |
| // occurred when reporting an error, the nested signal/exception handler |
| // can skip steps that are already (or partially) done. Error reporting will |
| // continue from the next step. This allows us to retrieve and print |
| // information that may be unsafe to get after a fatal error. If it happens, |
| // you may find nested report_and_die() frames when you look at the stack |
| // in a debugger. |
| // |
| // In general, a hang in error handler is much worse than a crash or internal |
| // error, as it's harder to recover from a hang. Deadlock can happen if we |
| // try to grab a lock that is already owned by current thread, or if the |
| // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the |
| // error handler and all the functions it called should avoid grabbing any |
| // lock. An important thing to notice is that memory allocation needs a lock. |
| // |
| // We should avoid using large stack allocated buffers. Many errors happen |
| // when stack space is already low. Making things even worse is that there |
| // could be nested report_and_die() calls on stack (see above). Only one |
| // thread can report error, so large buffers are statically allocated in data |
| // segment. |
| |
| void VMError::report(outputStream* st) { |
| # define BEGIN if (_current_step == 0) { _current_step = 1; |
| # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s; |
| # define END } |
| |
| // don't allocate large buffer on stack |
| static char buf[O_BUFLEN]; |
| |
| BEGIN |
| |
| STEP(10, "(printing fatal error message)") |
| |
| st->print_cr("#"); |
| if (should_report_bug(_id)) { |
| st->print_cr("# A fatal error has been detected by the Java Runtime Environment:"); |
| } else { |
| st->print_cr("# There is insufficient memory for the Java " |
| "Runtime Environment to continue."); |
| } |
| |
| STEP(15, "(printing type of error)") |
| |
| switch(_id) { |
| case OOM_MALLOC_ERROR: |
| case OOM_MMAP_ERROR: |
| if (_size) { |
| st->print("# Native memory allocation "); |
| st->print((_id == (int)OOM_MALLOC_ERROR) ? "(malloc) failed to allocate " : |
| "(mmap) failed to map "); |
| jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size); |
| st->print("%s", buf); |
| st->print(" bytes"); |
| if (_message != NULL) { |
| st->print(" for "); |
| st->print("%s", _message); |
| } |
| st->cr(); |
| } else { |
| if (_message != NULL) |
| st->print("# "); |
| st->print_cr("%s", _message); |
| } |
| // In error file give some solutions |
| if (_verbose) { |
| st->print_cr("# Possible reasons:"); |
| st->print_cr("# The system is out of physical RAM or swap space"); |
| st->print_cr("# In 32 bit mode, the process size limit was hit"); |
| st->print_cr("# Possible solutions:"); |
| st->print_cr("# Reduce memory load on the system"); |
| st->print_cr("# Increase physical memory or swap space"); |
| st->print_cr("# Check if swap backing store is full"); |
| st->print_cr("# Use 64 bit Java on a 64 bit OS"); |
| st->print_cr("# Decrease Java heap size (-Xmx/-Xms)"); |
| st->print_cr("# Decrease number of Java threads"); |
| st->print_cr("# Decrease Java thread stack sizes (-Xss)"); |
| st->print_cr("# Set larger code cache with -XX:ReservedCodeCacheSize="); |
| st->print_cr("# This output file may be truncated or incomplete."); |
| } else { |
| return; // that's enough for the screen |
| } |
| break; |
| case INTERNAL_ERROR: |
| default: |
| break; |
| } |
| |
| STEP(20, "(printing exception/signal name)") |
| |
| st->print_cr("#"); |
| st->print("# "); |
| // Is it an OS exception/signal? |
| if (os::exception_name(_id, buf, sizeof(buf))) { |
| st->print("%s", buf); |
| st->print(" (0x%x)", _id); // signal number |
| st->print(" at pc=" PTR_FORMAT, _pc); |
| } else { |
| if (should_report_bug(_id)) { |
| st->print("Internal Error"); |
| } else { |
| st->print("Out of Memory Error"); |
| } |
| if (_filename != NULL && _lineno > 0) { |
| #ifdef PRODUCT |
| // In product mode chop off pathname? |
| char separator = os::file_separator()[0]; |
| const char *p = strrchr(_filename, separator); |
| const char *file = p ? p+1 : _filename; |
| #else |
| const char *file = _filename; |
| #endif |
| size_t len = strlen(file); |
| size_t buflen = sizeof(buf); |
| |
| strncpy(buf, file, buflen); |
| if (len + 10 < buflen) { |
| sprintf(buf + len, ":%d", _lineno); |
| } |
| st->print(" (%s)", buf); |
| } else { |
| st->print(" (0x%x)", _id); |
| } |
| } |
| |
| STEP(30, "(printing current thread and pid)") |
| |
| // process id, thread id |
| st->print(", pid=%d", os::current_process_id()); |
| st->print(", tid=" INTPTR_FORMAT, os::current_thread_id()); |
| st->cr(); |
| |
| STEP(40, "(printing error message)") |
| |
| if (should_report_bug(_id)) { // already printed the message. |
| // error message |
| if (_detail_msg) { |
| st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg); |
| } else if (_message) { |
| st->print_cr("# Error: %s", _message); |
| } |
| } |
| |
| STEP(50, "(printing Java version string)") |
| |
| // VM version |
| st->print_cr("#"); |
| JDK_Version::current().to_string(buf, sizeof(buf)); |
| const char* runtime_name = JDK_Version::runtime_name() != NULL ? |
| JDK_Version::runtime_name() : ""; |
| const char* runtime_version = JDK_Version::runtime_version() != NULL ? |
| JDK_Version::runtime_version() : ""; |
| st->print_cr("# JRE version: %s (%s) (build %s)", runtime_name, buf, runtime_version); |
| st->print_cr("# Java VM: %s (%s %s %s %s)", |
| Abstract_VM_Version::vm_name(), |
| Abstract_VM_Version::vm_release(), |
| Abstract_VM_Version::vm_info_string(), |
| Abstract_VM_Version::vm_platform_string(), |
| UseCompressedOops ? "compressed oops" : "" |
| ); |
| |
| STEP(60, "(printing problematic frame)") |
| |
| // Print current frame if we have a context (i.e. it's a crash) |
| if (_context) { |
| st->print_cr("# Problematic frame:"); |
| st->print("# "); |
| frame fr = os::fetch_frame_from_context(_context); |
| fr.print_on_error(st, buf, sizeof(buf)); |
| st->cr(); |
| st->print_cr("#"); |
| } |
| STEP(63, "(printing core file information)") |
| st->print("# "); |
| if (coredump_status) { |
| st->print("Core dump written. Default location: %s", coredump_message); |
| } else { |
| st->print("Failed to write core dump. %s", coredump_message); |
| } |
| st->cr(); |
| st->print_cr("#"); |
| |
| STEP(65, "(printing bug submit message)") |
| |
| if (should_report_bug(_id) && _verbose) { |
| print_bug_submit_message(st, _thread); |
| } |
| |
| STEP(70, "(printing thread)" ) |
| |
| if (_verbose) { |
| st->cr(); |
| st->print_cr("--------------- T H R E A D ---------------"); |
| st->cr(); |
| } |
| |
| STEP(80, "(printing current thread)" ) |
| |
| // current thread |
| if (_verbose) { |
| if (_thread) { |
| st->print("Current thread (" PTR_FORMAT "): ", _thread); |
| _thread->print_on_error(st, buf, sizeof(buf)); |
| st->cr(); |
| } else { |
| st->print_cr("Current thread is native thread"); |
| } |
| st->cr(); |
| } |
| |
| STEP(90, "(printing siginfo)" ) |
| |
| // signal no, signal code, address that caused the fault |
| if (_verbose && _siginfo) { |
| os::print_siginfo(st, _siginfo); |
| st->cr(); |
| } |
| |
| STEP(100, "(printing registers, top of stack, instructions near pc)") |
| |
| // registers, top of stack, instructions near pc |
| if (_verbose && _context) { |
| os::print_context(st, _context); |
| st->cr(); |
| } |
| |
| STEP(105, "(printing register info)") |
| |
| // decode register contents if possible |
| if (_verbose && _context && Universe::is_fully_initialized()) { |
| os::print_register_info(st, _context); |
| st->cr(); |
| } |
| |
| STEP(110, "(printing stack bounds)" ) |
| |
| if (_verbose) { |
| st->print("Stack: "); |
| |
| address stack_top; |
| size_t stack_size; |
| |
| if (_thread) { |
| stack_top = _thread->stack_base(); |
| stack_size = _thread->stack_size(); |
| } else { |
| stack_top = os::current_stack_base(); |
| stack_size = os::current_stack_size(); |
| } |
| |
| address stack_bottom = stack_top - stack_size; |
| st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top); |
| |
| frame fr = _context ? os::fetch_frame_from_context(_context) |
| : os::current_frame(); |
| |
| if (fr.sp()) { |
| st->print(", sp=" PTR_FORMAT, fr.sp()); |
| size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024); |
| st->print(", free space=" SIZE_FORMAT "k", free_stack_size); |
| } |
| |
| st->cr(); |
| } |
| |
| STEP(120, "(printing native stack)" ) |
| |
| if (_verbose) { |
| if (os::platform_print_native_stack(st, _context, buf, sizeof(buf))) { |
| // We have printed the native stack in platform-specific code |
| // Windows/x64 needs special handling. |
| } else { |
| frame fr = _context ? os::fetch_frame_from_context(_context) |
| : os::current_frame(); |
| |
| print_native_stack(st, fr, _thread, buf, sizeof(buf)); |
| } |
| } |
| |
| STEP(130, "(printing Java stack)" ) |
| |
| if (_verbose && _thread && _thread->is_Java_thread()) { |
| print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf)); |
| } |
| |
| STEP(135, "(printing target Java thread stack)" ) |
| |
| // printing Java thread stack trace if it is involved in GC crash |
| if (_verbose && _thread && (_thread->is_Named_thread())) { |
| JavaThread* jt = ((NamedThread *)_thread)->processed_thread(); |
| if (jt != NULL) { |
| st->print_cr("JavaThread " PTR_FORMAT " (nid = " UINTX_FORMAT ") was being processed", jt, jt->osthread()->thread_id()); |
| print_stack_trace(st, jt, buf, sizeof(buf), true); |
| } |
| } |
| |
| STEP(140, "(printing VM operation)" ) |
| |
| if (_verbose && _thread && _thread->is_VM_thread()) { |
| VMThread* t = (VMThread*)_thread; |
| VM_Operation* op = t->vm_operation(); |
| if (op) { |
| op->print_on_error(st); |
| st->cr(); |
| st->cr(); |
| } |
| } |
| |
| STEP(150, "(printing current compile task)" ) |
| |
| if (_verbose && _thread && _thread->is_Compiler_thread()) { |
| CompilerThread* t = (CompilerThread*)_thread; |
| if (t->task()) { |
| st->cr(); |
| st->print_cr("Current CompileTask:"); |
| t->task()->print_line_on_error(st, buf, sizeof(buf)); |
| st->cr(); |
| } |
| } |
| |
| STEP(160, "(printing process)" ) |
| |
| if (_verbose) { |
| st->cr(); |
| st->print_cr("--------------- P R O C E S S ---------------"); |
| st->cr(); |
| } |
| |
| STEP(170, "(printing all threads)" ) |
| |
| // all threads |
| if (_verbose && _thread) { |
| Threads::print_on_error(st, _thread, buf, sizeof(buf)); |
| st->cr(); |
| } |
| |
| STEP(175, "(printing VM state)" ) |
| |
| if (_verbose) { |
| // Safepoint state |
| st->print("VM state:"); |
| |
| if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing"); |
| else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint"); |
| else st->print("not at safepoint"); |
| |
| // Also see if error occurred during initialization or shutdown |
| if (!Universe::is_fully_initialized()) { |
| st->print(" (not fully initialized)"); |
| } else if (VM_Exit::vm_exited()) { |
| st->print(" (shutting down)"); |
| } else { |
| st->print(" (normal execution)"); |
| } |
| st->cr(); |
| st->cr(); |
| } |
| |
| STEP(180, "(printing owned locks on error)" ) |
| |
| // mutexes/monitors that currently have an owner |
| if (_verbose) { |
| print_owned_locks_on_error(st); |
| st->cr(); |
| } |
| |
| STEP(190, "(printing heap information)" ) |
| |
| if (_verbose && Universe::is_fully_initialized()) { |
| Universe::heap()->print_on_error(st); |
| st->cr(); |
| |
| st->print_cr("Polling page: " INTPTR_FORMAT, os::get_polling_page()); |
| st->cr(); |
| } |
| |
| STEP(195, "(printing code cache information)" ) |
| |
| if (_verbose && Universe::is_fully_initialized()) { |
| // print code cache information before vm abort |
| CodeCache::print_summary(st); |
| st->cr(); |
| } |
| |
| STEP(200, "(printing ring buffers)" ) |
| |
| if (_verbose) { |
| Events::print_all(st); |
| st->cr(); |
| } |
| |
| STEP(205, "(printing dynamic libraries)" ) |
| |
| if (_verbose) { |
| // dynamic libraries, or memory map |
| os::print_dll_info(st); |
| st->cr(); |
| } |
| |
| STEP(210, "(printing VM options)" ) |
| |
| if (_verbose) { |
| // VM options |
| Arguments::print_on(st); |
| st->cr(); |
| } |
| |
| STEP(215, "(printing warning if internal testing API used)" ) |
| |
| if (WhiteBox::used()) { |
| st->print_cr("Unsupported internal testing APIs have been used."); |
| st->cr(); |
| } |
| |
| STEP(220, "(printing environment variables)" ) |
| |
| if (_verbose) { |
| os::print_environment_variables(st, env_list, buf, sizeof(buf)); |
| st->cr(); |
| } |
| |
| STEP(225, "(printing signal handlers)" ) |
| |
| if (_verbose) { |
| os::print_signal_handlers(st, buf, sizeof(buf)); |
| st->cr(); |
| } |
| |
| STEP(228, "(Native Memory Tracking)" ) |
| if (_verbose) { |
| MemTracker::error_report(st); |
| } |
| |
| STEP(230, "" ) |
| |
| if (_verbose) { |
| st->cr(); |
| st->print_cr("--------------- S Y S T E M ---------------"); |
| st->cr(); |
| } |
| |
| STEP(240, "(printing OS information)" ) |
| |
| if (_verbose) { |
| os::print_os_info(st); |
| st->cr(); |
| } |
| |
| STEP(250, "(printing CPU info)" ) |
| if (_verbose) { |
| os::print_cpu_info(st); |
| st->cr(); |
| } |
| |
| STEP(260, "(printing memory info)" ) |
| |
| if (_verbose) { |
| os::print_memory_info(st); |
| st->cr(); |
| } |
| |
| STEP(270, "(printing internal vm info)" ) |
| |
| if (_verbose) { |
| st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string()); |
| st->cr(); |
| } |
| |
| STEP(280, "(printing date and time)" ) |
| |
| if (_verbose) { |
| os::print_date_and_time(st); |
| st->cr(); |
| } |
| |
| END |
| |
| # undef BEGIN |
| # undef STEP |
| # undef END |
| } |
| |
| VMError* volatile VMError::first_error = NULL; |
| volatile jlong VMError::first_error_tid = -1; |
| |
| // An error could happen before tty is initialized or after it has been |
| // destroyed. Here we use a very simple unbuffered fdStream for printing. |
| // Only out.print_raw() and out.print_raw_cr() should be used, as other |
| // printing methods need to allocate large buffer on stack. To format a |
| // string, use jio_snprintf() with a static buffer or use staticBufferStream. |
| fdStream VMError::out(defaultStream::output_fd()); |
| fdStream VMError::log; // error log used by VMError::report_and_die() |
| |
| /** Expand a pattern into a buffer starting at pos and open a file using constructed path */ |
| static int expand_and_open(const char* pattern, char* buf, size_t buflen, size_t pos) { |
| int fd = -1; |
| if (Arguments::copy_expand_pid(pattern, strlen(pattern), &buf[pos], buflen - pos)) { |
| // the O_EXCL flag will cause the open to fail if the file exists |
| fd = open(buf, O_RDWR | O_CREAT | O_EXCL, 0666); |
| } |
| return fd; |
| } |
| |
| /** |
| * Construct file name for a log file and return it's file descriptor. |
| * Name and location depends on pattern, default_pattern params and access |
| * permissions. |
| */ |
| static int prepare_log_file(const char* pattern, const char* default_pattern, char* buf, size_t buflen) { |
| int fd = -1; |
| |
| // If possible, use specified pattern to construct log file name |
| if (pattern != NULL) { |
| fd = expand_and_open(pattern, buf, buflen, 0); |
| } |
| |
| // Either user didn't specify, or the user's location failed, |
| // so use the default name in the current directory |
| if (fd == -1) { |
| const char* cwd = os::get_current_directory(buf, buflen); |
| if (cwd != NULL) { |
| size_t pos = strlen(cwd); |
| int fsep_len = jio_snprintf(&buf[pos], buflen-pos, "%s", os::file_separator()); |
| pos += fsep_len; |
| if (fsep_len > 0) { |
| fd = expand_and_open(default_pattern, buf, buflen, pos); |
| } |
| } |
| } |
| |
| // try temp directory if it exists. |
| if (fd == -1) { |
| const char* tmpdir = os::get_temp_directory(); |
| if (tmpdir != NULL && strlen(tmpdir) > 0) { |
| int pos = jio_snprintf(buf, buflen, "%s%s", tmpdir, os::file_separator()); |
| if (pos > 0) { |
| fd = expand_and_open(default_pattern, buf, buflen, pos); |
| } |
| } |
| } |
| |
| return fd; |
| } |
| |
| void VMError::report_and_die() { |
| // Don't allocate large buffer on stack |
| static char buffer[O_BUFLEN]; |
| |
| // How many errors occurred in error handler when reporting first_error. |
| static int recursive_error_count; |
| |
| // We will first print a brief message to standard out (verbose = false), |
| // then save detailed information in log file (verbose = true). |
| static bool out_done = false; // done printing to standard out |
| static bool log_done = false; // done saving error log |
| static bool transmit_report_done = false; // done error reporting |
| |
| if (SuppressFatalErrorMessage) { |
| os::abort(); |
| } |
| jlong mytid = os::current_thread_id(); |
| if (first_error == NULL && |
| Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) { |
| |
| // first time |
| first_error_tid = mytid; |
| set_error_reported(); |
| |
| if (ShowMessageBoxOnError || PauseAtExit) { |
| show_message_box(buffer, sizeof(buffer)); |
| |
| // User has asked JVM to abort. Reset ShowMessageBoxOnError so the |
| // WatcherThread can kill JVM if the error handler hangs. |
| ShowMessageBoxOnError = false; |
| } |
| |
| // Write a minidump on Windows, check core dump limits on Linux/Solaris |
| os::check_or_create_dump(_siginfo, _context, buffer, sizeof(buffer)); |
| |
| // reset signal handlers or exception filter; make sure recursive crashes |
| // are handled properly. |
| reset_signal_handlers(); |
| |
| } else { |
| // If UseOsErrorReporting we call this for each level of the call stack |
| // while searching for the exception handler. Only the first level needs |
| // to be reported. |
| if (UseOSErrorReporting && log_done) return; |
| |
| // This is not the first error, see if it happened in a different thread |
| // or in the same thread during error reporting. |
| if (first_error_tid != mytid) { |
| char msgbuf[64]; |
| jio_snprintf(msgbuf, sizeof(msgbuf), |
| "[thread " INT64_FORMAT " also had an error]", |
| mytid); |
| out.print_raw_cr(msgbuf); |
| |
| // error reporting is not MT-safe, block current thread |
| os::infinite_sleep(); |
| |
| } else { |
| if (recursive_error_count++ > 30) { |
| out.print_raw_cr("[Too many errors, abort]"); |
| os::die(); |
| } |
| |
| jio_snprintf(buffer, sizeof(buffer), |
| "[error occurred during error reporting %s, id 0x%x]", |
| first_error ? first_error->_current_step_info : "", |
| _id); |
| if (log.is_open()) { |
| log.cr(); |
| log.print_raw_cr(buffer); |
| log.cr(); |
| } else { |
| out.cr(); |
| out.print_raw_cr(buffer); |
| out.cr(); |
| } |
| } |
| } |
| |
| // print to screen |
| if (!out_done) { |
| first_error->_verbose = false; |
| |
| staticBufferStream sbs(buffer, sizeof(buffer), &out); |
| first_error->report(&sbs); |
| |
| out_done = true; |
| |
| first_error->_current_step = 0; // reset current_step |
| first_error->_current_step_info = ""; // reset current_step string |
| } |
| |
| // print to error log file |
| if (!log_done) { |
| first_error->_verbose = true; |
| |
| // see if log file is already open |
| if (!log.is_open()) { |
| // open log file |
| int fd = prepare_log_file(ErrorFile, "hs_err_pid%p.log", buffer, sizeof(buffer)); |
| if (fd != -1) { |
| out.print_raw("# An error report file with more information is saved as:\n# "); |
| out.print_raw_cr(buffer); |
| |
| log.set_fd(fd); |
| } else { |
| out.print_raw_cr("# Can not save log file, dump to screen.."); |
| log.set_fd(defaultStream::output_fd()); |
| /* Error reporting currently needs dumpfile. |
| * Maybe implement direct streaming in the future.*/ |
| transmit_report_done = true; |
| } |
| } |
| |
| staticBufferStream sbs(buffer, O_BUFLEN, &log); |
| first_error->report(&sbs); |
| first_error->_current_step = 0; // reset current_step |
| first_error->_current_step_info = ""; // reset current_step string |
| |
| // Run error reporting to determine whether or not to report the crash. |
| if (!transmit_report_done && should_report_bug(first_error->_id)) { |
| transmit_report_done = true; |
| FILE* hs_err = os::open(log.fd(), "r"); |
| if (NULL != hs_err) { |
| ErrorReporter er; |
| er.call(hs_err, buffer, O_BUFLEN); |
| } |
| } |
| |
| if (log.fd() != defaultStream::output_fd()) { |
| close(log.fd()); |
| } |
| |
| log.set_fd(-1); |
| log_done = true; |
| } |
| |
| |
| static bool skip_OnError = false; |
| if (!skip_OnError && OnError && OnError[0]) { |
| skip_OnError = true; |
| |
| out.print_raw_cr("#"); |
| out.print_raw ("# -XX:OnError=\""); |
| out.print_raw (OnError); |
| out.print_raw_cr("\""); |
| |
| char* cmd; |
| const char* ptr = OnError; |
| while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ |
| out.print_raw ("# Executing "); |
| #if defined(LINUX) || defined(_ALLBSD_SOURCE) |
| out.print_raw ("/bin/sh -c "); |
| #elif defined(SOLARIS) |
| out.print_raw ("/usr/bin/sh -c "); |
| #endif |
| out.print_raw ("\""); |
| out.print_raw (cmd); |
| out.print_raw_cr("\" ..."); |
| |
| if (os::fork_and_exec(cmd) < 0) { |
| out.print_cr("os::fork_and_exec failed: %s (%d)", strerror(errno), errno); |
| } |
| } |
| |
| // done with OnError |
| OnError = NULL; |
| } |
| |
| static bool skip_replay = ReplayCompiles; // Do not overwrite file during replay |
| if (DumpReplayDataOnError && _thread && _thread->is_Compiler_thread() && !skip_replay) { |
| skip_replay = true; |
| ciEnv* env = ciEnv::current(); |
| if (env != NULL) { |
| int fd = prepare_log_file(ReplayDataFile, "replay_pid%p.log", buffer, sizeof(buffer)); |
| if (fd != -1) { |
| FILE* replay_data_file = os::open(fd, "w"); |
| if (replay_data_file != NULL) { |
| fileStream replay_data_stream(replay_data_file, /*need_close=*/true); |
| env->dump_replay_data_unsafe(&replay_data_stream); |
| out.print_raw("#\n# Compiler replay data is saved as:\n# "); |
| out.print_raw_cr(buffer); |
| } else { |
| out.print_raw("#\n# Can't open file to dump replay data. Error: "); |
| out.print_raw_cr(strerror(os::get_last_error())); |
| } |
| } |
| } |
| } |
| |
| static bool skip_bug_url = !should_report_bug(first_error->_id); |
| if (!skip_bug_url) { |
| skip_bug_url = true; |
| |
| out.print_raw_cr("#"); |
| print_bug_submit_message(&out, _thread); |
| } |
| |
| if (!UseOSErrorReporting) { |
| // os::abort() will call abort hooks, try it first. |
| static bool skip_os_abort = false; |
| if (!skip_os_abort) { |
| skip_os_abort = true; |
| bool dump_core = should_report_bug(first_error->_id); |
| os::abort(dump_core); |
| } |
| |
| // if os::abort() doesn't abort, try os::die(); |
| os::die(); |
| } |
| } |
| |
| /* |
| * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this |
| * ensures utilities such as jmap can observe the process is a consistent state. |
| */ |
| class VM_ReportJavaOutOfMemory : public VM_Operation { |
| private: |
| VMError *_err; |
| public: |
| VM_ReportJavaOutOfMemory(VMError *err) { _err = err; } |
| VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; } |
| void doit(); |
| }; |
| |
| void VM_ReportJavaOutOfMemory::doit() { |
| // Don't allocate large buffer on stack |
| static char buffer[O_BUFLEN]; |
| |
| tty->print_cr("#"); |
| tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message()); |
| tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError); |
| |
| // make heap parsability |
| Universe::heap()->ensure_parsability(false); // no need to retire TLABs |
| |
| char* cmd; |
| const char* ptr = OnOutOfMemoryError; |
| while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){ |
| tty->print("# Executing "); |
| #if defined(LINUX) |
| tty->print ("/bin/sh -c "); |
| #elif defined(SOLARIS) |
| tty->print ("/usr/bin/sh -c "); |
| #endif |
| tty->print_cr("\"%s\"...", cmd); |
| |
| if (os::fork_and_exec(cmd) < 0) { |
| tty->print_cr("os::fork_and_exec failed: %s (%d)", strerror(errno), errno); |
| } |
| } |
| } |
| |
| void VMError::report_java_out_of_memory() { |
| if (OnOutOfMemoryError && OnOutOfMemoryError[0]) { |
| MutexLocker ml(Heap_lock); |
| VM_ReportJavaOutOfMemory op(this); |
| VMThread::execute(&op); |
| } |
| } |
