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| brrt | good * #moarvm | 06:05 | |
| nwc10 | good *, #moarvm | 06:35 | |
| jnthn: ASAN failures in spectests: paste.scsys.co.uk/565169 | |||
| #0 0x7fa46a6c2285 in MVM_fixed_size_free src/core/fixedsizealloc.c:271 | 06:36 | ||
| #1 0x7fa46a7de103 in gc_free src/6model/reprs/NFA.c:51 | |||
| during GC | |||
| I have built with #define FSA_SIZE_DEBUG 1 | |||
| but I don't think that that's needed to trigger this | 06:37 | ||
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| dogbert2 | good * #moarvm | 09:14 | |
| building the core setting with a small nursery is, at least currently, a bad idea | |||
| Stage start : 0.000 | |||
| Stage parse : MoarVM panic: Collectable 0x407a8f30 in fromspace accessed | 09:15 | ||
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| brrt | hmmm | 10:08 | |
| that's interesting | |||
| dogbert2 | brrt: perhaps I should try to figure out where that happens | 10:16 | |
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| brrt | yeah, that seems legit :-) | 10:18 | |
| jnthn | timotimo: 3059ba2829 and paste.scsys.co.uk/565169 look related | 10:28 | |
| timotimo | oh? uh oh. let's see. | 10:37 | |
| oh, facepalm | 10:43 | ||
| i somehow missed to change calloc into the corresponding function | |||
| i wasn't able to get asan to complain before, but the fix i made is Obviously Correct™ | 10:49 | ||
| Geth | MoarVM: 054ad4e1d6 | (Timo Paulssen)++ | src/6model/reprs/NFA.c convert left-over calloc to FSA equivalents |
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| timotimo | nwc10: would be cool if you tried again with this commit | ||
| nwc10 | had already started | 10:50 | |
| timotimo | nice :) | ||
| dogbert2: try recompiling? | |||
| nwc10 | only 5 seconds ahead of you :-) | ||
| (you asking, that is. had seen your approximate "d'oh" comment and assumed that a commit was about to land) | |||
| timotimo | :) | 10:52 | |
| dogbert2 | timotimo: don't think it's the same problem since I wasn't using your commit from yesterday :) | 10:53 | |
| timotimo | oh, well :) | ||
| dogbert2 tries to catch the problem with gdb ... | 10:54 | ||
| and ... it turns out that the backtrace is in fact the very same as github.com/MoarVM/MoarVM/issues/707 | 10:55 | ||
| notices that I had forgot to 'p MVM_dump_backtrace' in the bug report, here's a more complete version gist.github.com/dogbert17/2e270d08...5e9cb88631 | 10:59 | ||
| timotimo | fun! creating an accessor. that's right next to what liz was building for buildall :) | 11:00 | |
| dogbert2 | could there be a connection | 11:01 | |
| timotimo | probably not | ||
| lizmat | oO( all problems are the same ) | 11:06 | |
| timotimo | problemly not | 11:09 | |
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| nwc10 | ASAN has gone back to sleep | 13:35 | |
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| cognominal | should not getaddrinfo() be within a MVM_gc_mark_thread_blocked/unblocked pair cuz it potentially blocks if the address is not yet cached ? github.com/MoarVM/MoarVM/blob/mast...ket.c#L305 | 15:21 | |
| timotimo | ah, i didn't know about that | 15:40 | |
| if you put blocked/unblocked, it'll have to be much more careful with regards to MVMROOT | |||
| jnthn | Probably, yes | ||
| But check all its callers | |||
| That also | |||
| Every caller will need to be audited | 15:41 | ||
| cognominal | I understand the purpose of VMROOT but I don´t know exactly yet what should go there | 15:44 | |
| timotimo | every variable that points to a GC-managed thing must go there | 16:08 | |
| cognominal | submitted it as an issue github.com/MoarVM/MoarVM/issues/708 | 16:16 | |
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| timotimo | how long can this block? worst case? | 16:30 | |
| ilmari | for as long as your DNS server takes to respond? | ||
| (or the resolver library times out) | |||
| cognominal | the best way to (not) address the problem is to use the libuv asynchroneous getaddrinfo instead :) I noticed this bug when studying what this involved | 16:33 | |
| timotimo | oh, getaddrinfo | 16:36 | |
| for some reason i was thinking of getpeername thing | |||
| ugexe | with uv_getaddrinfo a NULL uv_getaddrinfo_cb to run synchronously might make it easy to use in syncsocket too | 16:46 | |
| samcv | good morning. | 16:47 | |
| samcv yawns | |||
| lizmat | \o samcv | 16:48 | |
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| samcv | MasterDuke, made some comments on your join PR | 20:09 | |
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