Mercurial > jdk8-mips64-public > hotspot / file revision
src/share/vm/utilities/vmError.cpp@63d374c54045
src/share/vm/utilities/vmError.cpp
Wed, 09 Feb 2011 11:08:10 +0100
- author
- ctornqvi
- date
- Wed, 09 Feb 2011 11:08:10 +0100
- changeset 2520
- 63d374c54045
- parent 2515
- d8a72fbc4be7
- child 2584
- da091bb67459
- permissions
- -rw-r--r--
7014918: Improve core/minidump handling in Hotspot
Summary: Added Minidump support on Windows, enabled large page core dumps when coredump_filter is present and writing out path/rlimit for core dumps.
Reviewed-by: poonam, dsamersoff, sla, coleenp
1 /*
2 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #include "precompiled.hpp"
26 #include "compiler/compileBroker.hpp"
27 #include "gc_interface/collectedHeap.hpp"
28 #include "runtime/arguments.hpp"
29 #include "runtime/frame.inline.hpp"
30 #include "runtime/init.hpp"
31 #include "runtime/os.hpp"
32 #include "runtime/thread.hpp"
33 #include "runtime/vmThread.hpp"
34 #include "runtime/vm_operations.hpp"
35 #include "utilities/debug.hpp"
36 #include "utilities/decoder.hpp"
37 #include "utilities/defaultStream.hpp"
38 #include "utilities/errorReporter.hpp"
39 #include "utilities/top.hpp"
40 #include "utilities/vmError.hpp"
42 // List of environment variables that should be reported in error log file.
43 const char *env_list[] = {
44 // All platforms
45 "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH",
46 "JAVA_COMPILER", "PATH", "USERNAME",
48 // Env variables that are defined on Solaris/Linux
49 "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY",
50 "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE",
52 // defined on Linux
53 "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM",
55 // defined on Windows
56 "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR",
58 (const char *)0
59 };
61 // Fatal error handler for internal errors and crashes.
62 //
63 // The default behavior of fatal error handler is to print a brief message
64 // to standard out (defaultStream::output_fd()), then save detailed information
65 // into an error report file (hs_err_pid<pid>.log) and abort VM. If multiple
66 // threads are having troubles at the same time, only one error is reported.
67 // The thread that is reporting error will abort VM when it is done, all other
68 // threads are blocked forever inside report_and_die().
70 // Constructor for crashes
71 VMError::VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context) {
72 _thread = thread;
73 _id = sig;
74 _pc = pc;
75 _siginfo = siginfo;
76 _context = context;
78 _verbose = false;
79 _current_step = 0;
80 _current_step_info = NULL;
82 _message = NULL;
83 _detail_msg = NULL;
84 _filename = NULL;
85 _lineno = 0;
87 _size = 0;
88 }
90 // Constructor for internal errors
91 VMError::VMError(Thread* thread, const char* filename, int lineno,
92 const char* message, const char * detail_msg)
93 {
94 _thread = thread;
95 _id = internal_error; // Value that's not an OS exception/signal
96 _filename = filename;
97 _lineno = lineno;
98 _message = message;
99 _detail_msg = detail_msg;
101 _verbose = false;
102 _current_step = 0;
103 _current_step_info = NULL;
105 _pc = NULL;
106 _siginfo = NULL;
107 _context = NULL;
109 _size = 0;
110 }
112 // Constructor for OOM errors
113 VMError::VMError(Thread* thread, const char* filename, int lineno, size_t size,
114 const char* message) {
115 _thread = thread;
116 _id = oom_error; // Value that's not an OS exception/signal
117 _filename = filename;
118 _lineno = lineno;
119 _message = message;
120 _detail_msg = NULL;
122 _verbose = false;
123 _current_step = 0;
124 _current_step_info = NULL;
126 _pc = NULL;
127 _siginfo = NULL;
128 _context = NULL;
130 _size = size;
131 }
134 // Constructor for non-fatal errors
135 VMError::VMError(const char* message) {
136 _thread = NULL;
137 _id = internal_error; // Value that's not an OS exception/signal
138 _filename = NULL;
139 _lineno = 0;
140 _message = message;
141 _detail_msg = NULL;
143 _verbose = false;
144 _current_step = 0;
145 _current_step_info = NULL;
147 _pc = NULL;
148 _siginfo = NULL;
149 _context = NULL;
151 _size = 0;
152 }
154 // -XX:OnError=<string>, where <string> can be a list of commands, separated
155 // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by
156 // a single "%". Some examples:
157 //
158 // -XX:OnError="pmap %p" // show memory map
159 // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger
160 // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com"
161 // -XX:OnError="kill -9 %p" // ?#!@#
163 // A simple parser for -XX:OnError, usage:
164 // ptr = OnError;
165 // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL)
166 // ... ...
167 static char* next_OnError_command(char* buf, int buflen, const char** ptr) {
168 if (ptr == NULL || *ptr == NULL) return NULL;
170 const char* cmd = *ptr;
172 // skip leading blanks or ';'
173 while (*cmd == ' ' || *cmd == ';') cmd++;
175 if (*cmd == '\0') return NULL;
177 const char * cmdend = cmd;
178 while (*cmdend != '\0' && *cmdend != ';') cmdend++;
180 Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen);
182 *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1);
183 return buf;
184 }
187 static void print_bug_submit_message(outputStream *out, Thread *thread) {
188 if (out == NULL) return;
189 out->print_raw_cr("# If you would like to submit a bug report, please visit:");
190 out->print_raw ("# ");
191 out->print_raw_cr(Arguments::java_vendor_url_bug());
192 // If the crash is in native code, encourage user to submit a bug to the
193 // provider of that code.
194 if (thread && thread->is_Java_thread() &&
195 !thread->is_hidden_from_external_view()) {
196 JavaThread* jt = (JavaThread*)thread;
197 if (jt->thread_state() == _thread_in_native) {
198 out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug.");
199 }
200 }
201 out->print_raw_cr("#");
202 }
204 bool VMError::coredump_status;
205 char VMError::coredump_message[O_BUFLEN];
207 void VMError::report_coredump_status(const char* message, bool status) {
208 coredump_status = status;
209 strncpy(coredump_message, message, sizeof(coredump_message));
210 coredump_message[sizeof(coredump_message)-1] = 0;
211 }
214 // Return a string to describe the error
215 char* VMError::error_string(char* buf, int buflen) {
216 char signame_buf[64];
217 const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf));
219 if (signame) {
220 jio_snprintf(buf, buflen,
221 "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT,
222 signame, _id, _pc,
223 os::current_process_id(), os::current_thread_id());
224 } else if (_filename != NULL && _lineno > 0) {
225 // skip directory names
226 char separator = os::file_separator()[0];
227 const char *p = strrchr(_filename, separator);
228 int n = jio_snprintf(buf, buflen,
229 "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT,
230 p ? p + 1 : _filename, _lineno,
231 os::current_process_id(), os::current_thread_id());
232 if (n >= 0 && n < buflen && _message) {
233 if (_detail_msg) {
234 jio_snprintf(buf + n, buflen - n, "%s%s: %s",
235 os::line_separator(), _message, _detail_msg);
236 } else {
237 jio_snprintf(buf + n, buflen - n, "%sError: %s",
238 os::line_separator(), _message);
239 }
240 }
241 } else {
242 jio_snprintf(buf, buflen,
243 "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT,
244 _id, os::current_process_id(), os::current_thread_id());
245 }
247 return buf;
248 }
250 void VMError::print_stack_trace(outputStream* st, JavaThread* jt,
251 char* buf, int buflen, bool verbose) {
252 #ifdef ZERO
253 if (jt->zero_stack()->sp() && jt->top_zero_frame()) {
254 // StackFrameStream uses the frame anchor, which may not have
255 // been set up. This can be done at any time in Zero, however,
256 // so if it hasn't been set up then we just set it up now and
257 // clear it again when we're done.
258 bool has_last_Java_frame = jt->has_last_Java_frame();
259 if (!has_last_Java_frame)
260 jt->set_last_Java_frame();
261 st->print("Java frames:");
263 // If the top frame is a Shark frame and the frame anchor isn't
264 // set up then it's possible that the information in the frame
265 // is garbage: it could be from a previous decache, or it could
266 // simply have never been written. So we print a warning...
267 StackFrameStream sfs(jt);
268 if (!has_last_Java_frame && !sfs.is_done()) {
269 if (sfs.current()->zeroframe()->is_shark_frame()) {
270 st->print(" (TOP FRAME MAY BE JUNK)");
271 }
272 }
273 st->cr();
275 // Print the frames
276 for(int i = 0; !sfs.is_done(); sfs.next(), i++) {
277 sfs.current()->zero_print_on_error(i, st, buf, buflen);
278 st->cr();
279 }
281 // Reset the frame anchor if necessary
282 if (!has_last_Java_frame)
283 jt->reset_last_Java_frame();
284 }
285 #else
286 if (jt->has_last_Java_frame()) {
287 st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)");
288 for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) {
289 sfs.current()->print_on_error(st, buf, buflen, verbose);
290 st->cr();
291 }
292 }
293 #endif // ZERO
294 }
296 // This is the main function to report a fatal error. Only one thread can
297 // call this function, so we don't need to worry about MT-safety. But it's
298 // possible that the error handler itself may crash or die on an internal
299 // error, for example, when the stack/heap is badly damaged. We must be
300 // able to handle recursive errors that happen inside error handler.
301 //
302 // Error reporting is done in several steps. If a crash or internal error
303 // occurred when reporting an error, the nested signal/exception handler
304 // can skip steps that are already (or partially) done. Error reporting will
305 // continue from the next step. This allows us to retrieve and print
306 // information that may be unsafe to get after a fatal error. If it happens,
307 // you may find nested report_and_die() frames when you look at the stack
308 // in a debugger.
309 //
310 // In general, a hang in error handler is much worse than a crash or internal
311 // error, as it's harder to recover from a hang. Deadlock can happen if we
312 // try to grab a lock that is already owned by current thread, or if the
313 // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the
314 // error handler and all the functions it called should avoid grabbing any
315 // lock. An important thing to notice is that memory allocation needs a lock.
316 //
317 // We should avoid using large stack allocated buffers. Many errors happen
318 // when stack space is already low. Making things even worse is that there
319 // could be nested report_and_die() calls on stack (see above). Only one
320 // thread can report error, so large buffers are statically allocated in data
321 // segment.
323 void VMError::report(outputStream* st) {
324 # define BEGIN if (_current_step == 0) { _current_step = 1;
325 # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s;
326 # define END }
328 // don't allocate large buffer on stack
329 static char buf[O_BUFLEN];
331 BEGIN
333 STEP(10, "(printing fatal error message)")
335 st->print_cr("#");
336 if (should_report_bug(_id)) {
337 st->print_cr("# A fatal error has been detected by the Java Runtime Environment:");
338 } else {
339 st->print_cr("# There is insufficient memory for the Java "
340 "Runtime Environment to continue.");
341 }
343 STEP(15, "(printing type of error)")
345 switch(_id) {
346 case oom_error:
347 if (_size) {
348 st->print("# Native memory allocation (malloc) failed to allocate ");
349 jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size);
350 st->print(buf);
351 st->print(" bytes");
352 if (_message != NULL) {
353 st->print(" for ");
354 st->print(_message);
355 }
356 st->cr();
357 } else {
358 if (_message != NULL)
359 st->print("# ");
360 st->print_cr(_message);
361 }
362 // In error file give some solutions
363 if (_verbose) {
364 st->print_cr("# Possible reasons:");
365 st->print_cr("# The system is out of physical RAM or swap space");
366 st->print_cr("# In 32 bit mode, the process size limit was hit");
367 st->print_cr("# Possible solutions:");
368 st->print_cr("# Reduce memory load on the system");
369 st->print_cr("# Increase physical memory or swap space");
370 st->print_cr("# Check if swap backing store is full");
371 st->print_cr("# Use 64 bit Java on a 64 bit OS");
372 st->print_cr("# Decrease Java heap size (-Xmx/-Xms)");
373 st->print_cr("# Decrease number of Java threads");
374 st->print_cr("# Decrease Java thread stack sizes (-Xss)");
375 st->print_cr("# Set larger code cache with -XX:ReservedCodeCacheSize=");
376 st->print_cr("# This output file may be truncated or incomplete.");
377 } else {
378 return; // that's enough for the screen
379 }
380 break;
381 case internal_error:
382 default:
383 break;
384 }
386 STEP(20, "(printing exception/signal name)")
388 st->print_cr("#");
389 st->print("# ");
390 // Is it an OS exception/signal?
391 if (os::exception_name(_id, buf, sizeof(buf))) {
392 st->print("%s", buf);
393 st->print(" (0x%x)", _id); // signal number
394 st->print(" at pc=" PTR_FORMAT, _pc);
395 } else {
396 if (should_report_bug(_id)) {
397 st->print("Internal Error");
398 } else {
399 st->print("Out of Memory Error");
400 }
401 if (_filename != NULL && _lineno > 0) {
402 #ifdef PRODUCT
403 // In product mode chop off pathname?
404 char separator = os::file_separator()[0];
405 const char *p = strrchr(_filename, separator);
406 const char *file = p ? p+1 : _filename;
407 #else
408 const char *file = _filename;
409 #endif
410 size_t len = strlen(file);
411 size_t buflen = sizeof(buf);
413 strncpy(buf, file, buflen);
414 if (len + 10 < buflen) {
415 sprintf(buf + len, ":%d", _lineno);
416 }
417 st->print(" (%s)", buf);
418 } else {
419 st->print(" (0x%x)", _id);
420 }
421 }
423 STEP(30, "(printing current thread and pid)")
425 // process id, thread id
426 st->print(", pid=%d", os::current_process_id());
427 st->print(", tid=" UINTX_FORMAT, os::current_thread_id());
428 st->cr();
430 STEP(40, "(printing error message)")
432 if (should_report_bug(_id)) { // already printed the message.
433 // error message
434 if (_detail_msg) {
435 st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg);
436 } else if (_message) {
437 st->print_cr("# Error: %s", _message);
438 }
439 }
441 STEP(50, "(printing Java version string)")
443 // VM version
444 st->print_cr("#");
445 JDK_Version::current().to_string(buf, sizeof(buf));
446 st->print_cr("# JRE version: %s", buf);
447 st->print_cr("# Java VM: %s (%s %s %s %s)",
448 Abstract_VM_Version::vm_name(),
449 Abstract_VM_Version::vm_release(),
450 Abstract_VM_Version::vm_info_string(),
451 Abstract_VM_Version::vm_platform_string(),
452 UseCompressedOops ? "compressed oops" : ""
453 );
455 STEP(60, "(printing problematic frame)")
457 // Print current frame if we have a context (i.e. it's a crash)
458 if (_context) {
459 st->print_cr("# Problematic frame:");
460 st->print("# ");
461 frame fr = os::fetch_frame_from_context(_context);
462 fr.print_on_error(st, buf, sizeof(buf));
463 st->cr();
464 st->print_cr("#");
465 }
466 STEP(63, "(printing core file information)")
467 st->print("# ");
468 if (coredump_status) {
469 st->print("Core dump written. Default location: %s", coredump_message);
470 } else {
471 st->print("Failed to write core dump. %s", coredump_message);
472 }
473 st->print_cr("");
474 st->print_cr("#");
476 STEP(65, "(printing bug submit message)")
478 if (should_report_bug(_id) && _verbose) {
479 print_bug_submit_message(st, _thread);
480 }
482 STEP(70, "(printing thread)" )
484 if (_verbose) {
485 st->cr();
486 st->print_cr("--------------- T H R E A D ---------------");
487 st->cr();
488 }
490 STEP(80, "(printing current thread)" )
492 // current thread
493 if (_verbose) {
494 if (_thread) {
495 st->print("Current thread (" PTR_FORMAT "): ", _thread);
496 _thread->print_on_error(st, buf, sizeof(buf));
497 st->cr();
498 } else {
499 st->print_cr("Current thread is native thread");
500 }
501 st->cr();
502 }
504 STEP(90, "(printing siginfo)" )
506 // signal no, signal code, address that caused the fault
507 if (_verbose && _siginfo) {
508 os::print_siginfo(st, _siginfo);
509 st->cr();
510 }
512 STEP(100, "(printing registers, top of stack, instructions near pc)")
514 // registers, top of stack, instructions near pc
515 if (_verbose && _context) {
516 os::print_context(st, _context);
517 st->cr();
518 }
520 STEP(105, "(printing register info)")
522 // decode register contents if possible
523 if (_verbose && _context && Universe::is_fully_initialized()) {
524 os::print_register_info(st, _context);
525 st->cr();
526 }
528 STEP(110, "(printing stack bounds)" )
530 if (_verbose) {
531 st->print("Stack: ");
533 address stack_top;
534 size_t stack_size;
536 if (_thread) {
537 stack_top = _thread->stack_base();
538 stack_size = _thread->stack_size();
539 } else {
540 stack_top = os::current_stack_base();
541 stack_size = os::current_stack_size();
542 }
544 address stack_bottom = stack_top - stack_size;
545 st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top);
547 frame fr = _context ? os::fetch_frame_from_context(_context)
548 : os::current_frame();
550 if (fr.sp()) {
551 st->print(", sp=" PTR_FORMAT, fr.sp());
552 size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024);
553 st->print(", free space=" SIZE_FORMAT "k", free_stack_size);
554 }
556 st->cr();
557 }
559 STEP(120, "(printing native stack)" )
561 if (_verbose) {
562 frame fr = _context ? os::fetch_frame_from_context(_context)
563 : os::current_frame();
565 // see if it's a valid frame
566 if (fr.pc()) {
567 st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)");
569 // initialize decoder to decode C frames
570 Decoder decoder;
572 int count = 0;
573 while (count++ < StackPrintLimit) {
574 fr.print_on_error(st, buf, sizeof(buf));
575 st->cr();
576 if (os::is_first_C_frame(&fr)) break;
577 fr = os::get_sender_for_C_frame(&fr);
578 }
580 if (count > StackPrintLimit) {
581 st->print_cr("...<more frames>...");
582 }
584 st->cr();
585 }
586 }
588 STEP(130, "(printing Java stack)" )
590 if (_verbose && _thread && _thread->is_Java_thread()) {
591 print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf));
592 }
594 STEP(135, "(printing target Java thread stack)" )
596 // printing Java thread stack trace if it is involved in GC crash
597 if (_verbose && _thread && (_thread->is_Named_thread())) {
598 JavaThread* jt = ((NamedThread *)_thread)->processed_thread();
599 if (jt != NULL) {
600 st->print_cr("JavaThread " PTR_FORMAT " (nid = " UINTX_FORMAT ") was being processed", jt, jt->osthread()->thread_id());
601 print_stack_trace(st, jt, buf, sizeof(buf), true);
602 }
603 }
605 STEP(140, "(printing VM operation)" )
607 if (_verbose && _thread && _thread->is_VM_thread()) {
608 VMThread* t = (VMThread*)_thread;
609 VM_Operation* op = t->vm_operation();
610 if (op) {
611 op->print_on_error(st);
612 st->cr();
613 st->cr();
614 }
615 }
617 STEP(150, "(printing current compile task)" )
619 if (_verbose && _thread && _thread->is_Compiler_thread()) {
620 CompilerThread* t = (CompilerThread*)_thread;
621 if (t->task()) {
622 st->cr();
623 st->print_cr("Current CompileTask:");
624 t->task()->print_line_on_error(st, buf, sizeof(buf));
625 st->cr();
626 }
627 }
629 STEP(160, "(printing process)" )
631 if (_verbose) {
632 st->cr();
633 st->print_cr("--------------- P R O C E S S ---------------");
634 st->cr();
635 }
637 STEP(170, "(printing all threads)" )
639 // all threads
640 if (_verbose && _thread) {
641 Threads::print_on_error(st, _thread, buf, sizeof(buf));
642 st->cr();
643 }
645 STEP(175, "(printing VM state)" )
647 if (_verbose) {
648 // Safepoint state
649 st->print("VM state:");
651 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing");
652 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint");
653 else st->print("not at safepoint");
655 // Also see if error occurred during initialization or shutdown
656 if (!Universe::is_fully_initialized()) {
657 st->print(" (not fully initialized)");
658 } else if (VM_Exit::vm_exited()) {
659 st->print(" (shutting down)");
660 } else {
661 st->print(" (normal execution)");
662 }
663 st->cr();
664 st->cr();
665 }
667 STEP(180, "(printing owned locks on error)" )
669 // mutexes/monitors that currently have an owner
670 if (_verbose) {
671 print_owned_locks_on_error(st);
672 st->cr();
673 }
675 STEP(190, "(printing heap information)" )
677 if (_verbose && Universe::is_fully_initialized()) {
678 // print heap information before vm abort
679 Universe::print_on(st);
680 st->cr();
681 }
683 STEP(195, "(printing code cache information)" )
685 if (_verbose && Universe::is_fully_initialized()) {
686 // print code cache information before vm abort
687 CodeCache::print_bounds(st);
688 st->cr();
689 }
691 STEP(200, "(printing dynamic libraries)" )
693 if (_verbose) {
694 // dynamic libraries, or memory map
695 os::print_dll_info(st);
696 st->cr();
697 }
699 STEP(210, "(printing VM options)" )
701 if (_verbose) {
702 // VM options
703 Arguments::print_on(st);
704 st->cr();
705 }
707 STEP(220, "(printing environment variables)" )
709 if (_verbose) {
710 os::print_environment_variables(st, env_list, buf, sizeof(buf));
711 st->cr();
712 }
714 STEP(225, "(printing signal handlers)" )
716 if (_verbose) {
717 os::print_signal_handlers(st, buf, sizeof(buf));
718 st->cr();
719 }
721 STEP(230, "" )
723 if (_verbose) {
724 st->cr();
725 st->print_cr("--------------- S Y S T E M ---------------");
726 st->cr();
727 }
729 STEP(240, "(printing OS information)" )
731 if (_verbose) {
732 os::print_os_info(st);
733 st->cr();
734 }
736 STEP(250, "(printing CPU info)" )
737 if (_verbose) {
738 os::print_cpu_info(st);
739 st->cr();
740 }
742 STEP(260, "(printing memory info)" )
744 if (_verbose) {
745 os::print_memory_info(st);
746 st->cr();
747 }
749 STEP(270, "(printing internal vm info)" )
751 if (_verbose) {
752 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string());
753 st->cr();
754 }
756 STEP(280, "(printing date and time)" )
758 if (_verbose) {
759 os::print_date_and_time(st);
760 st->cr();
761 }
763 END
765 # undef BEGIN
766 # undef STEP
767 # undef END
768 }
770 VMError* volatile VMError::first_error = NULL;
771 volatile jlong VMError::first_error_tid = -1;
773 void VMError::report_and_die() {
774 // Don't allocate large buffer on stack
775 static char buffer[O_BUFLEN];
777 // An error could happen before tty is initialized or after it has been
778 // destroyed. Here we use a very simple unbuffered fdStream for printing.
779 // Only out.print_raw() and out.print_raw_cr() should be used, as other
780 // printing methods need to allocate large buffer on stack. To format a
781 // string, use jio_snprintf() with a static buffer or use staticBufferStream.
782 static fdStream out(defaultStream::output_fd());
784 // How many errors occurred in error handler when reporting first_error.
785 static int recursive_error_count;
787 // We will first print a brief message to standard out (verbose = false),
788 // then save detailed information in log file (verbose = true).
789 static bool out_done = false; // done printing to standard out
790 static bool log_done = false; // done saving error log
791 static bool transmit_report_done = false; // done error reporting
792 static fdStream log; // error log
794 if (SuppressFatalErrorMessage) {
795 os::abort();
796 }
797 jlong mytid = os::current_thread_id();
798 if (first_error == NULL &&
799 Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) {
801 // first time
802 first_error_tid = mytid;
803 set_error_reported();
805 if (ShowMessageBoxOnError) {
806 show_message_box(buffer, sizeof(buffer));
808 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the
809 // WatcherThread can kill JVM if the error handler hangs.
810 ShowMessageBoxOnError = false;
811 }
813 // Write a minidump on Windows, check core dump limits on Linux/Solaris
814 os::check_or_create_dump(_siginfo, _context, buffer, sizeof(buffer));
816 // reset signal handlers or exception filter; make sure recursive crashes
817 // are handled properly.
818 reset_signal_handlers();
820 } else {
821 // If UseOsErrorReporting we call this for each level of the call stack
822 // while searching for the exception handler. Only the first level needs
823 // to be reported.
824 if (UseOSErrorReporting && log_done) return;
826 // This is not the first error, see if it happened in a different thread
827 // or in the same thread during error reporting.
828 if (first_error_tid != mytid) {
829 jio_snprintf(buffer, sizeof(buffer),
830 "[thread " INT64_FORMAT " also had an error]",
831 mytid);
832 out.print_raw_cr(buffer);
834 // error reporting is not MT-safe, block current thread
835 os::infinite_sleep();
837 } else {
838 if (recursive_error_count++ > 30) {
839 out.print_raw_cr("[Too many errors, abort]");
840 os::die();
841 }
843 jio_snprintf(buffer, sizeof(buffer),
844 "[error occurred during error reporting %s, id 0x%x]",
845 first_error ? first_error->_current_step_info : "",
846 _id);
847 if (log.is_open()) {
848 log.cr();
849 log.print_raw_cr(buffer);
850 log.cr();
851 } else {
852 out.cr();
853 out.print_raw_cr(buffer);
854 out.cr();
855 }
856 }
857 }
859 // print to screen
860 if (!out_done) {
861 first_error->_verbose = false;
863 staticBufferStream sbs(buffer, sizeof(buffer), &out);
864 first_error->report(&sbs);
866 out_done = true;
868 first_error->_current_step = 0; // reset current_step
869 first_error->_current_step_info = ""; // reset current_step string
870 }
872 // print to error log file
873 if (!log_done) {
874 first_error->_verbose = true;
876 // see if log file is already open
877 if (!log.is_open()) {
878 // open log file
879 int fd = -1;
881 if (ErrorFile != NULL) {
882 bool copy_ok =
883 Arguments::copy_expand_pid(ErrorFile, strlen(ErrorFile), buffer, sizeof(buffer));
884 if (copy_ok) {
885 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
886 }
887 }
889 if (fd == -1) {
890 const char *cwd = os::get_current_directory(buffer, sizeof(buffer));
891 size_t len = strlen(cwd);
892 // either user didn't specify, or the user's location failed,
893 // so use the default name in the current directory
894 jio_snprintf(&buffer[len], sizeof(buffer)-len, "%shs_err_pid%u.log",
895 os::file_separator(), os::current_process_id());
896 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
897 }
899 if (fd == -1) {
900 const char * tmpdir = os::get_temp_directory();
901 // try temp directory if it exists.
902 if (tmpdir != NULL && tmpdir[0] != '\0') {
903 jio_snprintf(buffer, sizeof(buffer), "%s%shs_err_pid%u.log",
904 tmpdir, os::file_separator(), os::current_process_id());
905 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
906 }
907 }
909 if (fd != -1) {
910 out.print_raw("# An error report file with more information is saved as:\n# ");
911 out.print_raw_cr(buffer);
912 os::set_error_file(buffer);
914 log.set_fd(fd);
915 } else {
916 out.print_raw_cr("# Can not save log file, dump to screen..");
917 log.set_fd(defaultStream::output_fd());
918 /* Error reporting currently needs dumpfile.
919 * Maybe implement direct streaming in the future.*/
920 transmit_report_done = true;
921 }
922 }
924 staticBufferStream sbs(buffer, O_BUFLEN, &log);
925 first_error->report(&sbs);
926 first_error->_current_step = 0; // reset current_step
927 first_error->_current_step_info = ""; // reset current_step string
929 // Run error reporting to determine whether or not to report the crash.
930 if (!transmit_report_done && should_report_bug(first_error->_id)) {
931 transmit_report_done = true;
932 FILE* hs_err = ::fdopen(log.fd(), "r");
933 if (NULL != hs_err) {
934 ErrorReporter er;
935 er.call(hs_err, buffer, O_BUFLEN);
936 }
937 }
939 if (log.fd() != defaultStream::output_fd()) {
940 close(log.fd());
941 }
943 log.set_fd(-1);
944 log_done = true;
945 }
948 static bool skip_OnError = false;
949 if (!skip_OnError && OnError && OnError[0]) {
950 skip_OnError = true;
952 out.print_raw_cr("#");
953 out.print_raw ("# -XX:OnError=\"");
954 out.print_raw (OnError);
955 out.print_raw_cr("\"");
957 char* cmd;
958 const char* ptr = OnError;
959 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){
960 out.print_raw ("# Executing ");
961 #if defined(LINUX)
962 out.print_raw ("/bin/sh -c ");
963 #elif defined(SOLARIS)
964 out.print_raw ("/usr/bin/sh -c ");
965 #endif
966 out.print_raw ("\"");
967 out.print_raw (cmd);
968 out.print_raw_cr("\" ...");
970 os::fork_and_exec(cmd);
971 }
973 // done with OnError
974 OnError = NULL;
975 }
977 static bool skip_bug_url = !should_report_bug(first_error->_id);
978 if (!skip_bug_url) {
979 skip_bug_url = true;
981 out.print_raw_cr("#");
982 print_bug_submit_message(&out, _thread);
983 }
985 if (!UseOSErrorReporting) {
986 // os::abort() will call abort hooks, try it first.
987 static bool skip_os_abort = false;
988 if (!skip_os_abort) {
989 skip_os_abort = true;
990 bool dump_core = should_report_bug(first_error->_id);
991 os::abort(dump_core);
992 }
994 // if os::abort() doesn't abort, try os::die();
995 os::die();
996 }
997 }
999 /*
1000 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this
1001 * ensures utilities such as jmap can observe the process is a consistent state.
1002 */
1003 class VM_ReportJavaOutOfMemory : public VM_Operation {
1004 private:
1005 VMError *_err;
1006 public:
1007 VM_ReportJavaOutOfMemory(VMError *err) { _err = err; }
1008 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; }
1009 void doit();
1010 };
1012 void VM_ReportJavaOutOfMemory::doit() {
1013 // Don't allocate large buffer on stack
1014 static char buffer[O_BUFLEN];
1016 tty->print_cr("#");
1017 tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message());
1018 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError);
1020 // make heap parsability
1021 Universe::heap()->ensure_parsability(false); // no need to retire TLABs
1023 char* cmd;
1024 const char* ptr = OnOutOfMemoryError;
1025 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){
1026 tty->print("# Executing ");
1027 #if defined(LINUX)
1028 tty->print ("/bin/sh -c ");
1029 #elif defined(SOLARIS)
1030 tty->print ("/usr/bin/sh -c ");
1031 #endif
1032 tty->print_cr("\"%s\"...", cmd);
1034 os::fork_and_exec(cmd);
1035 }
1036 }
1038 void VMError::report_java_out_of_memory() {
1039 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) {
1040 MutexLocker ml(Heap_lock);
1041 VM_ReportJavaOutOfMemory op(this);
1042 VMThread::execute(&op);
1043 }
1044 }
