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github.com/moarvm/moarvm | IRC logs at colabti.org/irclogger/irclogger_logs/moarvm Set by AlexDaniel on 12 June 2018. |
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| nwc10 | good *, #moarvm | 06:55 | |
| samcv | dogbert17, what commit id is that log from? | 07:47 | |
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| samcv | I think you maybe need to investigate each one. Though this page on most common threadsanitizer data races may be helpful github.com/google/sanitizers/wiki/...rDataRaces I'm reading it now | 07:59 | |
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| dogbert11 | samcv: This is Rakudo version 2020.07-64-g9d6d8dd7a built on MoarVM version 2020.07-19-g9a5203395 | 10:43 | |
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| dogbert11 | could it be a problem if two threads are trying to write to the same address here: github.com/MoarVM/MoarVM/blob/mast...aque.c#L21 | 14:40 | |
| jnthn | Not from the point of view of VM integrity, no | 14:41 | |
| dogbert11 | so they can't clobber something | ||
| nwc10 | jnthn: I hope that your beer fridge operative is doing better than mine - I am now drinking the only cold beer that was in the fridge. | 14:42 | |
| next release is in 4 days? | 14:43 | ||
| dogbert11 | jnthn, nwc10: here's a gist showing the (non existing ?) problem: gist.github.com/dogbert17/36d5c6e2...d8ea243bdd | 14:44 | |
| nwc10 | I still don't feel at all comfortable with "what tsan is trying to tell me" | 14:46 | |
| but I saw a lot of output from ubsan that I think I can address. | |||
| dogbert11 | alignment stuff? | ||
| nwc10 | yes | 14:47 | |
| dogbert11 | perhaps tsan is one big false positive :-) | ||
| nwc10 | my face doesn't fit into ASCII | ||
| I suspect that mostly it is not | |||
| dogbert11 | the output above is from on old example written by jnthn: perl6-m -e "await (^80).map({ start { EVAL '/0|1|2/' } }); say 'ok'" | 14:49 | |
| it has a tendency to fail | 14:50 | ||
| samcv | dogbert11, what arguments do you compile tsan with? I tried "./Configure.pl --prefix=$HOME/raku --compiler=clang --tsan --debug" but I get this error on starting nqp/raku "MoarVM: Initialization of GC start condition variable failed" | 14:51 | |
| dogbert11 | samcv: perl Configure.pl --debug --tsan --prefix=../../install/ # I'm using gcc | 14:52 | |
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| jnthn | nwc10: Hm, I fear there is only one in it at home too, though there's plenty of others I can add :) | 15:01 | |
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| jnthn | uh-oh, getting home might become interesting, though | 15:17 | |
| (huge storm just started) | |||
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| samcv | jnthn, same here | 16:15 | |
| jnthn | By now it's "light rain" but I'm still not so excited to walk in it... | 16:21 | |
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| nwc10 | still blue skies and fluffy clouds here, but we can hear thunder | 16:29 | |
| and the final section of the lawn is now seeded. | 16:30 | ||
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