# New Ticket Created by Daniel Green
# Please include the string: [perl #129291]
# in the subject line of all future correspondence about this issue.
# <URL: https://rt.perl.org/Ticket/Display.html?id=129291 >
This happens sometime in the whateverable bots when passing the output of
decompressing an archive to tar (below are the error messages).
tar:
/tmp/whateverable/rakudo-moar/27b1ab6bf964b8e3c183109c1a385af49e31e2fb/lib:
Cannot utime: No such file or directory
The spawned process exited unsuccessfully (exit code: 2) in method run-snippet
at /home/bisectable/git/bisectable/Whateverable.pm6 (Whateverable) line 136
Here's the relevant section of Whateverable.pm6
135: my $proc = run(:out, :bin, ‘zstd’, ‘-dqc’, ‘--’,
“{ARCHIVES-LOCATION}/$full-commit-hash.zst”);
136: run(:in($proc.out), :bin, ‘tar’, ‘x’, ‘--absolute-names’);
We tried adding a sleep(.1) between those two lines, but it still happens.
I then tried golfing with valgrind and a rakudo that had MoarVM built with
--debug
I ran this: valgrind perl6-valgrind-m -e 'for ^100 {my $proc = run(:out, :bin,
"ls"); run(:in($proc.out), :bin, "false");}'
and get this output:
================================================================================================
This is Rakudo Perl 6 running in valgrind, a tool for debugging and profiling
programs.
Running a program in valgrind usually takes *a lot* more time than running it
directly,
so please be patient.
This Rakudo version is 2016.08.1.202.g.78393.dd built on MoarVM version
2016.08.47.g.2.eedba.8,
running on arch (4.7.3.1.arch) / linux (4.7.2.1.ARCH)
------------------------------------------------------------------------------------------------
==12496== Memcheck, a memory error detector
==12496== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==12496== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==12496== Command: /home/dan/Source/perl6/install/bin/moar
--execname=/home/dan/Source/perl6/install/bin/perl6-valgrind-m
--libpath=/home/dan/Source/perl6/install/share/nqp/lib
--libpath=/home/dan/Source/perl6/install/share/perl6/lib
--libpath=/home/dan/Source/perl6/install/share/perl6/runtime
/home/dan/Source/perl6/install/share/perl6/runtime/perl6.moarvm -e for\ ^100\
{my\ $proc\ =\ run(:out,\ :bin,\ "ls");\ run(:in($proc.out),\ :bin,\ "false");}
==12496==
==12496== Invalid free() / delete / delete[] / realloc()
==12496== at 0x4C2AD90: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==12496== by 0x4FC6CA3: MVM_free (alloc.h:29)
==12496== by 0x4FC6CA3: do_close (syncpipe.c:37)
==12496== by 0x4FC6CA3: closefh (syncpipe.c:52)
==12496== by 0x4FC38BA: MVM_io_close (io.c:28)
==12496== by 0x4F8F2E0: MVM_interp_run (interp.c:4361)
==12496== by 0x5052758: MVM_vm_run_file (moar.c:304)
==12496== by 0x400ED3: main (main.c:191)
==12496== Address 0xffefffe30 is on thread 1's stack
==12496==
==12496== Conditional jump or move depends on uninitialised value(s)
==12496== at 0x4FB7B88: MVM_intcache_get (intcache.c:40)
==12496== by 0x4F85C65: MVM_args_slurpy_positional (args.c:574)
==12496== by 0x4F9B6DB: MVM_interp_run (interp.c:1046)
==12496== by 0x5052758: MVM_vm_run_file (moar.c:304)
==12496== by 0x400ED3: main (main.c:191)
==12496==
==12496== Conditional jump or move depends on uninitialised value(s)
==12496== at 0x4FEB430: set_int (P6bigint.c:73)
==12496== by 0x4F85E31: MVM_args_slurpy_positional (args.c:574)
==12496== by 0x4F9B6DB: MVM_interp_run (interp.c:1046)
==12496== by 0x5052758: MVM_vm_run_file (moar.c:304)
==12496== by 0x400ED3: main (main.c:191)
==12496==
==12496== Conditional jump or move depends on uninitialised value(s)
==12496== at 0x4FB7B88: MVM_intcache_get (intcache.c:40)
==12496== by 0x4F842C8: MVM_args_get_pos_obj (args.c:297)
==12496== by 0x4F913C3: MVM_interp_run (interp.c:917)
==12496== by 0x5052758: MVM_vm_run_file (moar.c:304)
==12496== by 0x400ED3: main (main.c:191)
==12496==
==12496== Conditional jump or move depends on uninitialised value(s)
==12496== at 0x4FEB430: set_int (P6bigint.c:73)
==12496== by 0x4F8434C: MVM_args_get_pos_obj (args.c:297)
==12496== by 0x4F913C3: MVM_interp_run (interp.c:917)
==12496== by 0x5052758: MVM_vm_run_file (moar.c:304)
==12496== by 0x400ED3: main (main.c:191)
==12496==
==12496== Conditional jump or move depends on uninitialised value(s)
==12496== at 0x5048E6C: MVM_bigint_cmp (bigintops.c:479)
==12496== by 0xCBD50CB: ???
==12496== by 0x5029F28: MVM_jit_enter_code (compile.c:136)
==12496== by 0x4F90181: MVM_interp_run (interp.c:5535)
==12496== by 0x5052758: MVM_vm_run_file (moar.c:304)
==12496== by 0x400ED3: main (main.c:191)
==12496==
==12496== Conditional jump or move depends on uninitialised value(s)
==12496== at 0x4F94EDE: MVM_interp_run (interp.c:2858)
==12496== by 0x5052758: MVM_vm_run_file (moar.c:304)
==12496== by 0x400ED3: main (main.c:191)
==12496==
==12496== Use of uninitialised value of size 8
==12496== at 0x4F94EE4: MVM_interp_run (interp.c:2858)
==12496== by 0x5052758: MVM_vm_run_file (moar.c:304)
==12496== by 0x400ED3: main (main.c:191)
==12496==
==12496== Use of uninitialised value of size 8
==12496== at 0x4F94EEE: MVM_interp_run (interp.c:2858)
==12496== by 0x5052758: MVM_vm_run_file (moar.c:304)
==12496== by 0x400ED3: main (main.c:191)
==12496==
==12496== Conditional jump or move depends on uninitialised value(s)
==12496== at 0x4FAEA2A: MVM_is_null (MVMNull.h:11)
==12496== by 0x4FAEA2A: MVM_coerce_istrue (coerce.c:31)
==12496== by 0x4F9BCF0: MVM_interp_run (interp.c:242)
==12496== by 0x5052758: MVM_vm_run_file (moar.c:304)
==12496== by 0x400ED3: main (main.c:191)
==12496==
==12496== Conditional jump or move depends on uninitialised value(s)
==12496== at 0x4FAEA3D: MVM_is_null (MVMNull.h:11)
==12496== by 0x4FAEA3D: MVM_coerce_istrue (coerce.c:31)
==12496== by 0x4F9BCF0: MVM_interp_run (interp.c:242)
==12496== by 0x5052758: MVM_vm_run_file (moar.c:304)
==12496== by 0x400ED3: main (main.c:191)
==12496==
==12496== Use of uninitialised value of size 8
==12496== at 0x4FAEA3F: MVM_coerce_istrue (coerce.c:32)
==12496== by 0x4F9BCF0: MVM_interp_run (interp.c:242)
==12496== by 0x5052758: MVM_vm_run_file (moar.c:304)
==12496== by 0x400ED3: main (main.c:191)
==12496==
==12496== Use of uninitialised value of size 8
==12496== at 0x4FAEBD2: MVM_coerce_istrue (coerce.c:65)
==12496== by 0x4F9BCF0: MVM_interp_run (interp.c:242)
==12496== by 0x5052758: MVM_vm_run_file (moar.c:304)
==12496== by 0x400ED3: main (main.c:191)
==12496==
==12496== Use of uninitialised value of size 8
==12496== at 0x4FDFB50: MVM_p6opaque_real_data (P6opaque.h:108)
==12496== by 0x4FDFB50: get_int (P6opaque.c:452)
==12496== by 0x4FAEBF5: MVM_coerce_istrue (coerce.c:65)
==12496== by 0x4F9BCF0: MVM_interp_run (interp.c:242)
==12496== by 0x5052758: MVM_vm_run_file (moar.c:304)
==12496== by 0x400ED3: main (main.c:191)
==12496==
==12496==
==12496== HEAP SUMMARY:
==12496== in use at exit: 63,559,757 bytes in 231,703 blocks
==12496== total heap usage: 313,406 allocs, 81,741 frees, 87,015,274 bytes
allocated
==12496==
==12496== LEAK SUMMARY:
==12496== definitely lost: 22,486 bytes in 344 blocks
==12496== indirectly lost: 36,640 bytes in 836 blocks
==12496== possibly lost: 378,880 bytes in 6,745 blocks
==12496== still reachable: 63,121,751 bytes in 223,778 blocks
==12496== suppressed: 0 bytes in 0 blocks
==12496== Rerun with --leak-check=full to see details of leaked memory
==12496==
==12496== For counts of detected and suppressed errors, rerun with: -v
==12496== Use --track-origins=yes to see where uninitialised values come from
==12496== ERROR SUMMARY: 466 errors from 14 contexts (suppressed: 0 from 0)
==12492==
==12492== HEAP SUMMARY:
==12492== in use at exit: 27,914 bytes in 728 blocks
==12492== total heap usage: 4,019 allocs, 3,291 frees, 191,374 bytes allocated
==12492==
==12492== LEAK SUMMARY:
==12492== definitely lost: 12 bytes in 1 blocks
==12492== indirectly lost: 0 bytes in 0 blocks
==12492== possibly lost: 0 bytes in 0 blocks
==12492== still reachable: 27,902 bytes in 727 blocks
==12492== suppressed: 0 bytes in 0 blocks
==12492== Rerun with --leak-check=full to see details of leaked memory
==12492==
==12492== For counts of detected and suppressed errors, rerun with: -v
==12492== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
