for my $j (1..1000) {
####
for my $j (1..99999999) {
##
##
0:002> ~* kv
0 Id: 2c48.2ad4 Suspend: 1 Teb: 7ffde000 Unfrozen
ChildEBP RetAddr Args to Child
0140fbf4 77f5c534 77e7a62d 000007c0 00000000 SharedUserData!SystemCallStub+0x4 (FPO: [0,0,0])
0140fbf8 77e7a62d 000007c0 00000000 00000000 ntdll!NtWaitForSingleObject+0xc (FPO: [3,0,0])
0140fc5c 77e7ac21 000007c0 ffffffff 00000000 kernel32!WaitForSingleObjectEx+0xa8 (FPO: [Non-Fpo])
*** WARNING: Unable to verify checksum for c:\pperl\lib\auto\threads\threads.dll
0140fc6c 10002335 000007c0 ffffffff 00224ff8 kernel32!WaitForSingleObject+0xf (FPO: [2,0,0])
0140fca8 10002de8 00224fec 00225fa4 00000000 threads!Perl_ithread_join+0xa5 (CONV: cdecl) [threads.xs @ 573]
0140fce8 280a1cc2 00224fec 01834f20 018e8bc4 threads!XS_threads_join+0xc0 (CONV: cdecl) [threads.xs @ 700]
0140fd80 2801d44f 00224fec 0140fda0 28059e3a perl58!Perl_pp_entersub+0x748 (CONV: cdecl) [..\pp_hot.c @ 2854]
0140fd8c 28059e3a 00224fec 00000001 0140fdd8 perl58!Perl_runops_debug+0x1c0 (CONV: cdecl) [..\dump.c @ 1442]
0140fda0 2805989c 00224fec 00000001 00000ff0 perl58!S_run_body+0x250 (CONV: cdecl) [..\perl.c @ 1921]
0140fe1c 2815d038 00224fec 00224fec 00000000 perl58!perl_run+0xb5 (CONV: cdecl) [..\perl.c @ 1840]
*** WARNING: Unable to verify checksum for perl.exe
0140ff38 00401025 00000002 00224e60 00223200 perl58!RunPerl+0xc6 (CONV: cdecl) [perllib.c @ 202]
0140ff4c 00401113 00000002 00224e60 00223200 perl!main+0x15 (CONV: cdecl) [perlmain.c @ 18]
0140ffc0 77e814c7 00000000 00000000 7ffdf000 perl!mainCRTStartup+0xe3
0140fff0 00000000 00401030 00000000 00000000 kernel32!BaseProcessStart+0x23 (FPO: [Non-Fpo])
1 Id: 2c48.2ed8 Suspend: 1 Teb: 7ffdd000 Unfrozen
ChildEBP RetAddr Args to Child
02b1fd70 28100a8f 018d9914 0197e934 00000001 perl58!Perl_sv_grow+0x187 (CONV: cdecl) [..\sv.c @ 1642]
02b1fdd8 281072c8 018d9914 0197e934 018da290 perl58!Perl_sv_setsv_flags+0x16c8 (CONV: cdecl) [..\sv.c @ 4019]
02b1fdf4 2808a343 018d9914 018da290 00000001 perl58!Perl_sv_mortalcopy+0x8c (CONV: cdecl) [..\sv.c @ 6746]
02b1fe3c 2801d44f 018d9914 02b1fe54 2805ad46 perl58!Perl_pp_leaveloop+0x1d5 (CONV: cdecl) [..\pp_ctl.c @ 1774]
02b1fe48 2805ad46 018d9914 02b1ff54 2805a896 perl58!Perl_runops_debug+0x1c0 (CONV: cdecl) [..\dump.c @ 1442]
02b1fe54 2805a896 018d9914 02b1ff1c 00000000 perl58!S_call_body+0x50 (CONV: cdecl) [..\perl.c @ 2285]
02b1ff54 10001832 018d9914 0197e7cc 00000004 perl58!Perl_call_sv+0x701 (CONV: cdecl) [..\perl.c @ 2203]
02b1ffb4 77e7d33b 0022e28c 018dd550 0101000b threads!Perl_ithread_run+0x219 (CONV: stdcall) [threads.xs @ 300]
02b1ffec 00000000 1000106e 0022e28c 00000000 kernel32!BaseThreadStart+0x37 (FPO: [Non-Fpo])
# 2 Id: 2c48.1ce4 Suspend: 1 Teb: 7ffdc000 Unfrozen
ChildEBP RetAddr Args to Child
03b1f794 280aee43 0193412c 019ef8a0 019ef888 perl58!sortcv+0x21 (CONV: cdecl) [..\pp_sort.c @ 1638]
03b1fd08 280aebae 0193412c 019ea658 00000014 perl58!S_mergesortsv+0x28e (CONV: cdecl) [..\pp_sort.c @ 424]
03b1fd34 280b1245 0193412c 019ea658 00000014 perl58!Perl_sortsv+0xae (CONV: cdecl) [..\pp_sort.c @ 1410]
03b1fe3c 2801d44f 0193412c 03b1fe54 2805ad46 perl58!Perl_pp_sort+0xcde (CONV: cdecl) [..\pp_sort.c @ 1577]
03b1fe48 2805ad46 0193412c 03b1ff54 2805a896 perl58!Perl_runops_debug+0x1c0 (CONV: cdecl) [..\dump.c @ 1442]
03b1fe54 2805a896 0193412c 03b1ff1c 00000000 perl58!S_call_body+0x50 (CONV: cdecl) [..\perl.c @ 2285]
03b1ff54 10001832 0193412c 019ef7bc 00000004 perl58!Perl_call_sv+0x701 (CONV: cdecl) [..\perl.c @ 2203]
03b1ffb4 77e7d33b 01950fac 018e7050 0101000b threads!Perl_ithread_run+0x219 (CONV: stdcall) [threads.xs @ 300]
03b1ffec 00000000 1000106e 01950fac 00000000 kernel32!BaseThreadStart+0x37 (FPO: [Non-Fpo])
0:002> u eip
perl58!sortcv+0x21 [..\pp_sort.c @ 1638]:
280b1932 8b02 mov eax,[edx]
280b1934 8b4820 mov ecx,[eax+0x20]
280b1937 8b550c mov edx,[ebp+0xc]
280b193a 8911 mov [ecx],edx
280b193c 8b4508 mov eax,[ebp+0x8]
280b193f 8b88a8010000 mov ecx,[eax+0x1a8]
280b1945 8b11 mov edx,[ecx]
280b1947 8b4220 mov eax,[edx+0x20]
0:002> .exr -1
ExceptionAddress: 280b1932 (perl58!sortcv+0x00000021)
ExceptionCode: c0000005 (Access violation)
ExceptionFlags: 00000000
NumberParameters: 2
Parameter[0]: 00000000
Parameter[1]: 00000000
Attempt to read from address 00000000