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segfault on 64bit


From: David Wetzel
Subject: segfault on 64bit
Date: Thu, 07 Feb 2008 12:02:54 +0100

Hi,

has anybody seen this before?

dave

address@hidden>gdb ./obj/benchmark
GNU gdb 6.5
Copyright (C) 2006 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 "sparc64--netbsd"...
(gdb) r
Starting program: 
/Net/alice/Users/dave/projects/testfarm/core/base/Testing/obj/benchmark 
 Test                                            time (sec)      index
  Baseline: 10 method calls                       0.275           1.000
  Class: 10 class method calls                    0.891           3.247
  Category: 10 super calls                        0.705           2.567
  Function: 10 NSClassFromStr                     4.162          15.158
  Function: 1 zone alloc/free                     0.526           1.916
  Function: 1 zone2alloc/free                     0.531           1.933
  Function: 1 def alloc/free                      0.424           1.544
  NSObject: 1 zone all/init/rel                   1.008           3.669
  NSObject: 1 zone2all/init/rel                   1.051           3.829
  NSObject: 1 def all/init/rel                    0.874           3.182
  NSObject: 10 retain/rel                         0.836           3.043
  NSObject: 10 autorel/ret                        1.536           5.595
  ObjC: 10 inst responds to sel                   0.501           1.826
  ObjC: 10 objc_mutex_lock/unl                    1.696           6.176
  NSLock: 10 lock/unlock                          2.543           9.262

Program received signal SIGSEGV, Segmentation fault.
0x00000000406caf54 in +[NSAutoreleasePool new] (self=Cannot access memory at 
address 0x87f
) at NSAutoreleasePool.m:143
143     {
Current language:  auto; currently objective-c
(gdb) bt
#0  0x00000000406caf54 in +[NSAutoreleasePool new] (self=Cannot access memory 
at address 0x87f
) at NSAutoreleasePool.m:143
(gdb) up
Initial frame selected; you cannot go up.







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