Also, running it ~30 times without profiling never saw a crash.
On Wed, Jun 15, 2016 at 12:04 AM, Daniel Green <ddgr...@gmail.com> wrote:
> Also, the Kubuntu system Rakudo was built with --gen-moar, on the Arch
> Linux system MoarMV, NQP, and Rakudo were all built separately with the
> same --prefix.
>
> On Wed, Jun 15, 2016 at 12:01 AM, Daniel Green <ddgr...@gmail.com> wrote:
>
>> Doesn't happen every time, seem to be about 1 in 5. Here are the results
>> for two different system.
>>
>> This is an up-to-date Arch Linux
>>
>> uname -a
>> Linux <hostname> 4.5.3-1-ARCH #1 SMP PREEMPT Sat May 7 20:43:57 CEST 2016
>> x86_64 GNU/Linux
>>
>> p6 --version
>> This is Rakudo version 2016.05-145-gac0dcdd built on MoarVM version
>> 2016.05-34-gfbe9e24
>> implementing Perl 6.c.
>>
>> p6 --profile --profile-filename=race1.json -e 'say
>> (^100000).race(batch=>1, degree=>4).map({$_}).grep(* > 12345).elems'
>> Segmentation fault (core dumped)
>>
>>
>> This is Kubuntu 16.04, on an Intel(R) Core(TM) i5-4200U
>>
>> uname -a
>> Linux <hostname> 4.4.0-22-generic #40-Ubuntu SMP Thu May 12 22:03:46 UTC
>> 2016 x86_64 x86_64 x86_64 GNU/Linux
>>
>> ./perl6 --version
>> This is Rakudo version 2016.05-145-gac0dcdd built on MoarVM version
>> 2016.05-17-g6075599
>> implementing Perl 6.c.
>>
>> ./perl6 --profile --profile-filename=race1.json -e 'say
>> (^100000).race(batch=>1, degree=>4).map({$_}).grep(* > 12345).elems'
>> *** Error in `/home/dan/Source/perl6/rakudo/install/bin/moar': double
>> free or corruption (fasttop): 0x00007fdaa8328e90 ***
>> ======= Backtrace: =========
>> /lib/x86_64-linux-gnu/libc.so.6(+0x77725)[0x7fdabdce5725]
>> /lib/x86_64-linux-gnu/libc.so.6(+0x7ff4a)[0x7fdabdcedf4a]
>> /lib/x86_64-linux-gnu/libc.so.6(cfree+0x4c)[0x7fdabdcf1abc]
>>
>> //home/dan/Source/perl6/rakudo/install/lib/libmoar.so(MVM_spesh_graph_destroy+0x5f)[0x7fdabe213f1f]
>>
>> //home/dan/Source/perl6/rakudo/install/lib/libmoar.so(MVM_profile_instrument+0x2e3)[0x7fdabe24fb23]
>>
>> //home/dan/Source/perl6/rakudo/install/lib/libmoar.so(MVM_frame_invoke+0xdc)[0x7fdabe1a2fbc]
>>
>> //home/dan/Source/perl6/rakudo/install/lib/libmoar.so(+0x1ad3f3)[0x7fdabe1e43f3]
>>
>> //home/dan/Source/perl6/rakudo/install/lib/libmoar.so(MVM_interp_run+0x114a9)[0x7fdabe19b069]
>>
>> //home/dan/Source/perl6/rakudo/install/lib/libmoar.so(+0x1749fe)[0x7fdabe1ab9fe]
>>
>> //home/dan/Source/perl6/rakudo/install/lib/libmoar.so(+0x23ddf7)[0x7fdabe274df7]
>> /lib/x86_64-linux-gnu/libpthread.so.0(+0x76fa)[0x7fdabd74f6fa]
>> /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7fdabdd74b5d]
>> ======= Memory map: ========
>> 00400000-00402000 r-xp 00000000 08:01 6954054
>> /home/dan/Source/perl6/rakudo/install/bin/moar
>> 00601000-00602000 r--p 00001000 08:01 6954054
>> /home/dan/Source/perl6/rakudo/install/bin/moar
>> 00602000-00603000 rw-p 00002000 08:01 6954054
>> /home/dan/Source/perl6/rakudo/install/bin/moar
>> 00cde000-057bd000 rw-p 00000000 00:00 0
>> [heap]
>> 7fdaa0000000-7fdaa0021000 rw-p 00000000 00:00 0
>> 7fdaa0021000-7fdaa4000000 ---p 00000000 00:00 0
>> 7fdaa71e7000-7fdaa71fd000 r-xp 00000000 08:01 4199293
>> /lib/x86_64-linux-gnu/libgcc_s.so.1
>> 7fdaa71fd000-7fdaa73fc000 ---p 00016000 08:01 4199293
>> /lib/x86_64-linux-gnu/libgcc_s.so.1
>> 7fdaa73fc000-7fdaa73fd000 rw-p 00015000 08:01 4199293
>> /lib/x86_64-linux-gnu/libgcc_s.so.1
>> 7fdaa73fd000-7fdaa8000000 rw-p 00000000 00:00 0
>> 7fdaa8000000-7fdaa8444000 rw-p 00000000 00:00 0
>> 7fdaa8444000-7fdaac000000 ---p 00000000 00:00 0
>> 7fdaac000000-7fdaac4ad000 rw-p 00000000 00:00 0
>> 7fdaac4ad000-7fdab0000000 ---p 00000000 00:00 0
>> 7fdab0000000-7fdab04da000 rw-p 00000000 00:00 0
>> 7fdab04da000-7fdab4000000 ---p 00000000 00:00 0
>> 7fdab4000000-7fdab4567000 rw-p 00000000 00:00 0
>> 7fdab4567000-7fdab8000000 ---p 00000000 00:00 0
>> 7fdab81a8000-7fdab8239000 rw-p 00000000 00:00 0
>> 7fdab8271000-7fdab8272000 rw-p 00000000 00:00 0
>> 7fdab8272000-7fdab8283000 r-xp 00000000 00:00 0
>> 7fdab8283000-7fdab8a85000 rw-p 00000000 00:00 0
>> 7fdab8a85000-7fdab8ab6000 r-xp 00000000 00:00 0
>> 7fdab8ab6000-7fdab8ab7000 ---p 00000000 00:00 0
>> 7fdab8ab7000-7fdab92b7000 rwxp 00000000 00:00 0
>> 7fdab92b7000-7fdab96b8000 rw-p 00000000 00:00 0
>> 7fdab96b8000-7fdab96b9000 ---p 00000000 00:00 0
>> 7fdab96b9000-7fdab9eb9000 rwxp 00000000 00:00 0
>> 7fdab9eb9000-7fdaba2ba000 rw-p 00000000 00:00 0
>> 7fdaba2ba000-7fdaba2bb000 ---p 00000000 00:00 0
>> 7fdaba2bb000-7fdabaabb000 rwxp 00000000 00:00 0
>> 7fdabaabb000-7fdabaebc000 rw-p 00000000 00:00 0
>> 7fdabaebc000-7fdabaebd000 ---p 00000000 00:00 0
>> 7fdabaebd000-7fdabb6bd000 rwxp 00000000 00:00 0
>> 7fdabb6bd000-7fdabbabe000 rw-p 00000000 00:00 0
>> 7fdabbabe000-7fdabbaf0000 r-xp 00000000 00:00 0
>> 7fdabbaf0000-7fdabbc4b000 rw-p 00000000 00:00 0
>> 7fdabbc4b000-7fdabbc92000 r--p 00000000 08:01 6816489
>> /home/dan/Source/perl6/rakudo/blib/Perl6/Metamodel.moarvm
>> 7fdabbc92000-7fdabbcbe000 r--p 00000000 08:01 6816491
>> /home/dan/Source/perl6/rakudo/blib/Perl6/BOOTSTRAP.moarvm
>> 7fdabbcbe000-7fdabbce9000 rw-p 00000000 00:00 0
>> 7fdabbce9000-7fdabc774000 r--p 00000000 08:01 6684906
>> /home/dan/Source/perl6/rakudo/CORE.setting.moarvm
>> 7fdabc774000-7fdabc77b000 r-xp 00000000 08:01 6816481
>> /home/dan/Source/perl6/rakudo/dynext/libperl6_ops_moar.so
>> 7fdabc77b000-7fdabc97a000 ---p 00007000 08:01 6816481
>> /home/dan/Source/perl6/rakudo/dynext/libperl6_ops_moar.so
>> 7fdabc97a000-7fdabc97b000 r--p 00006000 08:01 6816481
>> /home/dan/Source/perl6/rakudo/dynext/libperl6_ops_moar.so
>> 7fdabc97b000-7fdabc97c000 rw-p 00007000 08:01 6816481
>> /home/dan/Source/perl6/rakudo/dynext/libperl6_ops_moar.so
>> 7fdabc97c000-7fdabc9a3000 r--p 00000000 08:01 6816486
>> /home/dan/Source/perl6/rakudo/blib/Perl6/Optimizer.moarvm
>> 7fdabc9a3000-7fdabc9a8000 r--p 00000000 08:01 6816487
>> /home/dan/Source/perl6/rakudo/blib/Perl6/Compiler.moarvm
>> 7fdabc9a8000-7fdabca29000 rw-p 00000000 00:00 0
>> 7fdabca29000-7fdabca75000 r--p 00000000 08:01 6816488
>> /home/dan/Source/perl6/rakudo/blib/Perl6/World.moarvm
>> 7fdabca75000-7fdabca85000 r--p 00000000 08:01 6816482
>> /home/dan/Source/perl6/rakudo/blib/Perl6/Ops.moarvm
>> 7fdabca85000-7fdabcb68000 r--p 00000000 08:01 6816492
>> /home/dan/Source/perl6/rakudo/blib/Perl6/Actions.moarvm
>> 7fdabcb68000-7fdabcba2000 r--p 00000000 08:01 6955666
>> /home/dan/Source/perl6/rakudo/install/share/nqp/lib/NQPP5QRegex.moarvm
>> 7fdabcba2000-7fdabcf3b000 r--p 00000000 08:01 6816493
>> /home/dan/Source/perl6/rakudo/blib/Perl6/Grammar.moarvm
>> 7fdabcf3b000-7fdabd33c000 rw-p 00000000 00:00 0
>> 7fdabd33c000-7fdabd33f000 r-xp 00000000 08:01 4202751
>> /lib/x86_64-linux-gnu/libdl-2.23.so
>> 7fdabd33f000-7fdabd53e000 ---p 00003000 08:01 4202751
>> /lib/x86_64-linux-gnu/libdl-2.23.so
>> 7fdabd53e000-7fdabd53f000 r--p 00002000 08:01 4202751
>> /lib/x86_64-linux-gnu/libdl-2.23.so
>> 7fdabd53f000-7fdabd540000 rw-p 00003000 08:01 4202751
>> /lib/x86_64-linux-gnu/libdl-2.23.so
>> 7fdabd540000-7fdabd547000 r-xp 00000000 08:01 4202717
>> /lib/x86_64-linux-gnu/librt-2.23.so
>> 7fdabd547000-7fdabd746000 ---p 00007000 08:01 4202717
>> /lib/x86_64-linux-gnu/librt-2.23.so
>> 7fdabd746000-7fdabd747000 r--p 00006000 08:01 4202717
>> /lib/x86_64-linux-gnu/librt-2.23.so
>> 7fdabd747000-7fdabd748000 rw-p 00007000 08:01 4202717
>> /lib/x86_64-linux-gnu/librt-2.23.so
>> 7fdabd748000-7fdabd760000 r-xp 00000000 08:01 4202746
>> /lib/x86_64-linux-gnu/libpthread-2.23.so
>> 7fdabd760000-7fdabd95f000 ---p 00018000 08:01 4202746
>> /lib/x86_64-linux-gnu/libpthread-2.23.so
>> 7fdabd95f000-7fdabd960000 r--p 00017000 08:01 4202746
>> /lib/x86_64-linux-gnu/libpthread-2.23.so
>> 7fdabd960000-7fdabd961000 rw-p 00018000 08:01 4202746
>> /lib/x86_64-linux-gnu/libpthread-2.23.so
>> 7fdabd961000-7fdabd965000 rw-p 00000000 00:00 0
>> 7fdabd965000-7fdabda6d000 r-xp 00000000 08:01 4202711
>> /lib/x86_64-linux-gnu/libm-2.23.so
>> 7fdabda6d000-7fdabdc6c000 ---p 00108000 08:01 4202711
>> /lib/x86_64-linux-gnu/libm-2.23.so
>> 7fdabdc6c000-7fdabdc6d000 r--p 00107000 08:01 4202711
>> /lib/x86_64-linux-gnu/libm-2.23.so
>> 7fdabdc6d000-7fdabdc6e000 rw-p 00108000 08:01 4202711
>> /lib/x86_64-linux-gnu/libm-2.23.so
>> 7fdabdc6e000-7fdabde2e000 r-xp 00000000 08:01 4202749
>> /lib/x86_64-linux-gnu/libc-2.23.so
>> 7fdabde2e000-7fdabe02d000 ---p 001c0000 08:01 4202749
>> /lib/x86_64-linux-gnu/libc-2.23.so
>> 7fdabe02d000-7fdabe031000 r--p 001bf000 08:01 4202749
>> /lib/x86_64-linux-gnu/libc-2.23.so
>> 7fdabe031000-7fdabe033000 rw-p 001c3000 08:01 4202749
>> /lib/x86_64-linux-gnu/libc-2.23.so
>> 7fdabe033000-7fdabe037000 rw-p 00000000 00:00 0
>> 7fdabe037000-7fdabe3f7000 r-xp 00000000 08:01 6954056
>> /home/dan/Source/perl6/rakudo/install/lib/libmoar.so
>> 7fdabe3f7000-7fdabe5f7000 ---p 003c0000 08:01 6954056
>> /home/dan/Source/perl6/rakudo/install/lib/libmoar.so
>> 7fdabe5f7000-7fdabe691000 r--p 003c0000 08:01 6954056
>> /home/dan/Source/perl6/rakudo/install/lib/libmoar.so
>> 7fdabe691000-7fdabe6a3000 rw-p 0045a000 08:01 6954056
>> /home/dan/Source/perl6/rakudo/install/lib/libmoar.so
>> 7fdabe6a3000-7fdabe6a4000 rw-p 00000000 00:00 0
>> 7fdabe6a4000-7fdabe6ca000 r-xp 00000000 08:01 4202730
>> /lib/x86_64-linux-gnu/ld-2.23.so
>> 7fdabe6ca000-7fdabe6cd000 r-xp 00000000 00:00 0
>> 7fdabe6cd000-7fdabe6d2000 r--p 00000000 08:01 6816477
>> /home/dan/Source/perl6/rakudo/blib/Perl6/ModuleLoader.moarvm
>> 7fdabe6d2000-7fdabe6e5000 r--p 00000000 08:01 6816479
>> /home/dan/Source/perl6/rakudo/blib/Perl6/Pod.moarvm
>> 7fdabe6e5000-7fdabe6ee000 r-xp 00000000 00:00 0
>> 7fdabe6ee000-7fdabe709000 r--p 00000000 08:01 6955661
>> /home/dan/Source/perl6/rakudo/install/share/nqp/lib/MASTOps.moarvm
>> 7fdabe709000-7fdabe715000 r--p 00000000 08:01 6955662
>> /home/dan/Source/perl6/rakudo/install/share/nqp/lib/MASTNodes.moarvm
>> 7fdabe715000-7fdabe788000 r--p 00000000 08:01 6955663
>> /home/dan/Source/perl6/rakudo/install/share/nqp/lib/QAST.moarvm
>> 7fdabe788000-7fdabe7de000 r--p 00000000 08:01 6955660
>> /home/dan/Source/perl6/rakudo/install/share/nqp/lib/NQPHLL.moarvm
>> 7fdabe7de000-7fdabe7f5000 r--p 00000000 08:01 6955658
>> /home/dan/Source/perl6/rakudo/install/share/nqp/lib/QASTNode.moarvm
>> 7fdabe7f5000-7fdabe819000 r--p 00000000 08:01 6955659
>> /home/dan/Source/perl6/rakudo/install/share/nqp/lib/QRegex.moarvm
>> 7fdabe819000-7fdabe87b000 r--p 00000000 08:01 6955664
>> /home/dan/Source/perl6/rakudo/install/share/nqp/lib/NQPP6QRegex.moarvm
>> 7fdabe87b000-7fdabe88f000 r--p 00000000 08:01 6955655
>> /home/dan/Source/perl6/rakudo/install/share/nqp/lib/nqpmo.moarvm
>> 7fdabe88f000-7fdabe89b000 r--p 00000000 08:01 6955657
>> /home/dan/Source/perl6/rakudo/install/share/nqp/lib/NQPCORE.setting.moarvm
>> 7fdabe89b000-7fdabe89e000 r--p 00000000 08:01 6955656
>> /home/dan/Source/perl6/rakudo/install/share/nqp/lib/ModuleLoader.moarvm
>> 7fdabe89e000-7fdabe8a3000 rw-p 00000000 00:00 0
>> 7fdabe8a3000-7fdabe8a6000 r--p 00000000 08:01 6684731
>> /home/dan/Source/perl6/rakudo/perl6.moarvm
>> 7fdabe8a6000-7fdabe8c9000 rw-p 00000000 00:00 0
>> 7fdabe8c9000-7fdabe8ca000 r--p 00025000 08:01 4202730
>> /lib/x86_64-linux-gnu/ld-2.23.so
>> 7fdabe8ca000-7fdabe8cb000 rw-p 00026000 08:01 4202730
>> /lib/x86_64-linux-gnu/ld-2.23.so
>> 7fdabe8cb000-7fdabe8cc000 rw-p 00000000 00:00 0
>> 7ffebf7bb000-7ffebf7da000 rwxp 00000000 00:00 0
>> [stack]
>> 7ffebf7da000-7ffebf7dc000 rw-p 00000000 00:00 0
>> 7ffebf7e3000-7ffebf7e5000 r--p 00000000 00:00 0
>> [vvar]
>> 7ffebf7e5000-7ffebf7e7000 r-xp 00000000 00:00 0
>> [vdso]
>> ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0
>> [vsyscall]
>> Aborted (core dumped)
>>
>> On Tue, Jun 14, 2016 at 11:10 PM, Zoffix Znet via RT <
>> perl6-bugs-follo...@perl.org> wrote:
>>
>>> Would you be able to retry with a more recent Rakudo and see if the
>>> issue is still there?
>>>
>>> Also, what OS/architecture are you using?
>>>
>>> Can't reproduce on a Debian-flavoured x64 Linux with Rakudo version
>>> 2016.05-145-gac0dcdd built on MoarVM version 2016.05-17-g6075599
>>>
>>>
>>
>
