$ uname -a
Linux localhost.localdomain 2.6.33.5-112.fc13.x86_64 #1 SMP Thu May 27 02:28:31 UTC 2010 x86_64 x86_64 x86_64 GNU/Linux
####
$ perl -v
This is perl, v5.10.1 (*) built for x86_64-linux-thread-multi
Copyright 1987-2009, Larry Wall
Perl may be copied only under the terms of either the Artistic License or the
GNU General Public License, which may be found in the Perl 5 source kit.
Complete documentation for Perl, including FAQ lists, should be found on
this system using "man perl" or "perldoc perl". If you have access to the
Internet, point your browser at http://www.perl.org/, the Perl Home Page.
$ perl -Mthreads -e 'print $threads::VERSION,"\n"'
1.77
####
$ perl -e 'use threads; for(1..100000) { my $t = threads->new(\&body,$_); $t->detach; } sub body {print "Called: @_\n"}'
####
Called: 1
Called: 2
Called: 3
Called: 4
Called: 5
Called: 6
Called: 7
Called: 8
Called: 9
Called: 10
Called: 11
Called: 12
Called: 13
Called: 14
Called: 15
Called: 16
Called: 17
Called: 18
Called: 19
Called: 20
Called: 21
Called: 22
Called: 23
Called: 24
Called: 25
Called: 26
Called: 27
Called: 28
Called: 29
Called: 30
Called: 31
Called: 32
Called: 33
Called: 34
Called: 35
Called: 36
Called: 37
Called: 38
Called: 39
Called: 40
Called: 41
Called: 42
Called: 43
Called: 44
Called: 45
Called: 46
Called: 47
Called: 48
Called: 49
Called: 50
Called: 51
Called: 52
Called: 53
Called: 54
Called: 55
Called: 56
Called: 57
Called: 58
Called: 59
Called: 60
Called: 61
Called: 62
Called: 63
Called: 64
Called: 65
Called: 66
Called: 67
Called: 68
Called: 69
Called: 70
Called: 71
Called: 72
Called: 73
Called: 74
Called: 75
Called: 76
Called: 77
Called: 78
Called: 79
Called: 80
Called: 81
Called: 82
Called: 83
Called: 84
Called: 85
Called: 86
Called: 87
Called: 88
Called: 89
Called: 90
Called: 91
Called: 92
*** glibc detected *** perl: invalid fastbin entry (free): 0x0000000000789010 ***
======= Backtrace: =========
/lib64/libc.so.6[0x3b8fc75746]
/usr/lib64/perl5/CORE/libperl.so[0x3b8f89de8f]
/usr/lib64/perl5/CORE/libperl.so(Perl_hv_free_ent+0x98)[0x3b8f89e398]
/usr/lib64/perl5/CORE/libperl.so[0x3b8f89f861]
/usr/lib64/perl5/CORE/libperl.so(Perl_hv_undef+0x68)[0x3b8f8a1648]
/usr/lib64/perl5/CORE/libperl.so(Perl_sv_clear+0x5c3)[0x3b8f8b8e23]
/usr/lib64/perl5/CORE/libperl.so(Perl_sv_free2+0x52)[0x3b8f8b9112]
/usr/lib64/perl5/CORE/libperl.so(Perl_gp_free+0x19d)[0x3b8f84f13d]
/usr/lib64/perl5/CORE/libperl.so(Perl_sv_clear+0x70d)[0x3b8f8b8f6d]
/usr/lib64/perl5/CORE/libperl.so(Perl_sv_free2+0x52)[0x3b8f8b9112]
/usr/lib64/perl5/CORE/libperl.so(Perl_hv_free_ent+0x42)[0x3b8f89e342]
/usr/lib64/perl5/CORE/libperl.so[0x3b8f89f861]
/usr/lib64/perl5/CORE/libperl.so(Perl_hv_undef+0x68)[0x3b8f8a1648]
/usr/lib64/perl5/CORE/libperl.so(Perl_sv_clear+0x5c3)[0x3b8f8b8e23]
/usr/lib64/perl5/CORE/libperl.so(Perl_sv_free2+0x52)[0x3b8f8b9112]
/usr/lib64/perl5/CORE/libperl.so(Perl_gp_free+0x19d)[0x3b8f84f13d]
/usr/lib64/perl5/CORE/libperl.so(Perl_sv_clear+0x70d)[0x3b8f8b8f6d]
/usr/lib64/perl5/CORE/libperl.so(Perl_sv_free2+0x52)[0x3b8f8b9112]
/usr/lib64/perl5/CORE/libperl.so[0x3b8f8ae131]
/usr/lib64/perl5/CORE/libperl.so(Perl_sv_clean_all+0x1b)[0x3b8f8ae1db]
/usr/lib64/perl5/CORE/libperl.so(perl_destruct+0xb79)[0x3b8f84e269]
/usr/lib64/perl5/auto/threads/threads.so(+0x5496)[0x7f7b9d360496]
/usr/lib64/perl5/auto/threads/threads.so(+0x5682)[0x7f7b9d360682]
/usr/lib64/perl5/auto/threads/threads.so(+0x6849)[0x7f7b9d361849]
/lib64/libpthread.so.0[0x3b90407761]
/lib64/libc.so.6(clone+0x6d)[0x3b8fce150d]
======= Memory map: ========
00400000-00401000 r-xp 00000000 08:21 3678850 /usr/bin/perl
00601000-00603000 rw-p 00001000 08:21 3678850 /usr/bin/perl
00624000-00e46000 rw-p 00000000 00:00 0 [heap]
3b8f400000-3b8f41e000 r-xp 00000000 08:21 3017770 /lib64/ld-2.12.so
3b8f61e000-3b8f61f000 r--p 0001e000 08:21 3017770 /lib64/ld-2.12.so
3b8f61f000-3b8f620000 rw-p 0001f000 08:21 3017770 /lib64/ld-2.12.so
3b8f620000-3b8f621000 rw-p 00000000 00:00 0
3b8f800000-3b8f962000 r-xp 00000000 08:21 3727883 /usr/lib64/perl5/CORE/libperl.so
3b8f962000-3b8fb62000 ---p 00162000 08:21 3727883 /usr/lib64/perl5/CORE/libperl.so
3b8fb62000-3b8fb6b000 rw-p 00162000 08:21 3727883 /usr/lib64/perl5/CORE/libperl.so
3b8fc00000-3b8fd75000 r-xp 00000000 08:21 3017771 /lib64/libc-2.12.so
3b8fd75000-3b8ff75000 ---p 00175000 08:21 3017771 /lib64/libc-2.12.so
3b8ff75000-3b8ff79000 r--p 00175000 08:21 3017771 /lib64/libc-2.12.so
3b8ff79000-3b8ff7a000 rw-p 00179000 08:21 3017771 /lib64/libc-2.12.so
3b8ff7a000-3b8ff7f000 rw-p 00000000 00:00 0
3b90000000-3b90002000 r-xp 00000000 08:21 3017773 /lib64/libdl-2.12.so
3b90002000-3b90202000 ---p 00002000 08:21 3017773 /lib64/libdl-2.12.so
3b90202000-3b90203000 r--p 00002000 08:21 3017773 /lib64/libdl-2.12.so
3b90203000-3b90204000 rw-p 00003000 08:21 3017773 /lib64/libdl-2.12.so
3b90400000-3b90417000 r-xp 00000000 08:21 3017779 /lib64/libpthread-2.12.so
3b90417000-3b90616000 ---p 00017000 08:21 3017779 /lib64/libpthread-2.12.so
3b90616000-3b90617000 r--p 00016000 08:21 3017779 /lib64/libpthread-2.12.so
3b90617000-3b90618000 rw-p 00017000 08:21 3017779 Called: 93
Aborted (core dumped)