HTTP/1.1 -1 Read error in cache disk data: SuccessContent-Type: text/tab-separated-values; charset="utf-8" Last-Modified: Sat, 22 Jan 2022 03:43:30 GMT Content-length: 3421 Connection: Close Proxy-Connection: Close X-Cache: HIT from web1.osuosl.org Server: ProxyTrack 0.5 (HTTrack 3.49.2) id summary reporter owner description type status priority milestone component version severity resolution keywords cc lang patch platform 1134 Extremely weird stack trace produced my Parrot when allocating things in a long loop in Rakudo masak "{{{ $ time perl6 -e 'my @a; for 1 .. 100_000 { @a.push(42) }' src/gc/api.c:248: failed assertion 'PObj_is_PMC_TEST(obj)' Backtrace - Obtained 31 stack frames (max trace depth is 32). 0 libparrot.dylib 0x005fc2ad Parrot_do_check_events + 173 1 libparrot.dylib 0x005fc417 Parrot_confess + 151 2 libparrot.dylib 0x006097a7 Parrot_gc_mark_PMC_alive_fun + 135 3 libparrot.dylib 0x007a05f5 Parrot_CodeString_get_isa + 1957 4 libparrot.dylib 0x0060d4fe Parrot_is_blocked_GC_sweep + 6398 5 libparrot.dylib 0x006098c7 Parrot_gc_mark_PObj_alive + 183 6 libparrot.dylib 0x0060eac1 Parrot_is_blocked_GC_sweep + 11969 7 libparrot.dylib 0x0060eb8e Parrot_is_blocked_GC_sweep + 12174 8 libparrot.dylib 0x0060ec0c Parrot_is_blocked_GC_sweep + 12300 9 libparrot.dylib 0x0060d076 Parrot_is_blocked_GC_sweep + 5238 10 libparrot.dylib 0x0060c213 Parrot_is_blocked_GC_sweep + 1555 11 libparrot.dylib 0x0060c355 Parrot_is_blocked_GC_sweep + 1877 12 libparrot.dylib 0x0060a7e3 Parrot_gc_mark_STRING_alive_fun + 3827 13 libparrot.dylib 0x0060c5e8 Parrot_is_blocked_GC_sweep + 2536 14 libparrot.dylib 0x0060c750 Parrot_is_blocked_GC_sweep + 2896 15 libparrot.dylib 0x00609dfd Parrot_gc_mark_STRING_alive_fun + 1293 16 libparrot.dylib 0x00673156 pmc_reuse + 566 17 libparrot.dylib 0x00673278 pmc_new + 232 18 libparrot.dylib 0x0067d52e new_ret_continuation_pmc + 78 19 libparrot.dylib 0x0061d92d new_runloop_jump_point + 765 20 libparrot.dylib 0x0061e2a5 Parrot_run_meth_fromc_args_reti + 213 21 libparrot.dylib 0x007c135a Parrot_NameSpace_get_isa + 30186 22 libparrot.dylib 0x0057dd2d Parrot_str_from_int + 3469 23 libparrot.dylib 0x00676037 enable_event_checking + 1991 24 libparrot.dylib 0x00674f2a Parrot_runcore_switch + 3978 25 libparrot.dylib 0x0061d7b8 new_runloop_jump_point + 392 26 libparrot.dylib 0x0061dae6 new_runloop_jump_point + 1206 27 libparrot.dylib 0x0061e7ea Parrot_runops_fromc_args + 186 28 libparrot.dylib 0x005f9101 Parrot_runcode + 337 29 perl6 0x00001ac9 start + 505 30 perl6 0x00001906 start + 54 Abort trap real 0m13.675s user 0m8.711s sys 0m0.405s hi, does this look strange to anyone? http://gist.github.com/215912 masak: extremely weird whiteknight: well, now you know how to reproduce it. just push stuff to an array in a long Perl 6 for loop. Can you create a ticket? whiteknight: I'll try. awesome. Thanks }}}" bug closed normal GC 1.7.0 high fixed gt; <li><strong>priority<