Perl 6 - the future is here, just unevenly distributed

IRC log for #moarvm, 2015-12-08

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All times shown according to UTC.

Time Nick Message
01:37 llfourn joined #moarvm
02:10 rjbs You folks ever have any luck with the problem described here -- http://www.nntp.perl.org/group/perl.perl5.porters/2014/12/msg223113.html ?
02:17 hoelzro o_O
02:17 hoelzro rjbs: my policy of late has been "valgrind first and ask questions later", but I'm guessing that p5p has tried that already =/
02:29 diakopter rjbs: are you having a problem on mac?
02:29 diakopter rjbs: I mean, isn't that post more than a year old?
02:59 rjbs Still a problem.  only with threads + debugging
04:29 vendethiel joined #moarvm
08:38 timotimo valgrind runs on mac?
08:42 Ven joined #moarvm
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13:00 Ven joined #moarvm
13:00 rjbs yup
13:01 rjbs Tony Cook thinks he has a diagnosis.
13:09 virtualsue joined #moarvm
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14:31 diakopter joined #moarvm
14:34 diakopter rjbs: where's that being discussed?
14:35 rjbs p5p, let me find a link
14:36 rjbs http://www.nntp.perl.org/group/perl.perl5.porters/2015/12/msg233192.html
14:36 rjbs and http://www.nntp.perl.org/group/perl.perl5.porters/2015/12/msg233189.html
14:42 diakopter rjbs: oh, I thought you meant lizmat's reference to "rakudo on MoarVM on OS X has some sort of memory corruption issue as well."
14:43 virtualsue joined #moarvm
14:43 diakopter (from a year ago)
15:13 rjbs diakopter: Sorry, I meant that I was still having the problem, a year later, that I had then -- which Liz had said, then, that youse also had.
15:15 dalek joined #moarvm
15:16 jnthn Generally, I've found that concurrency bugs that only show up under debugging are still bugs that *could* happen in release builds, but timing issues make them less likely.
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19:41 dalek MoarVM: 6913bf4 | (Dagfinn Ilmari Mannsåker)++ | Configure.pl:
19:41 dalek MoarVM: Add UBSAN support to Configure.pl
19:41 dalek MoarVM: review: https://github.com/MoarVM/MoarVM/commit/6913bf4ba9
19:41 dalek MoarVM: d0e9bd1 | FROGGS++ | Configure.pl:
19:41 dalek MoarVM: Merge pull request #309 from ilmari/ubsan
19:41 dalek MoarVM:
19:41 dalek MoarVM: Add UBSAN support to Configure.pl
19:41 dalek MoarVM: review: https://github.com/MoarVM/MoarVM/commit/d0e9bd1372
19:43 timotimo i wonder why that had to add an "-fsanitize=address" in there
19:43 timotimo i mean, asan worked before, right?
19:51 ilmari timotimo: because it removed it from the -fno-omit-frame-pointer line
19:52 ilmari although I'm not certain ubsan requires it
19:53 timotimo oh!
20:03 travis-ci joined #moarvm
20:03 travis-ci MoarVM build passed. Tobias Leich 'Merge pull request #309 from ilmari/ubsan
20:03 travis-ci https://travis-ci.org/MoarVM/MoarVM/builds/95651818 https://github.com/MoarVM/MoarVM/compare/170ca53d5138...d0e9bd1372c4
20:03 travis-ci left #moarvm
20:05 [Coke] jnthn: I never got back to debugging output.
20:06 jnthn [Coke]: No worries :)
20:06 jnthn My teaching duties for the year are complete, so after a little rest I'll have time to look into it :)
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20:13 [Coke] jnthn++
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21:06 dalek MoarVM/line_based_coverage: 6ade816 | timotimo++ | src/instrument/line_coverage.c:
21:06 dalek MoarVM/line_based_coverage: panic if allocated slots weren't enough
21:06 dalek MoarVM/line_based_coverage:
21:06 dalek MoarVM/line_based_coverage: really shouldn't happen, but if it does, don't
21:06 dalek MoarVM/line_based_coverage: try to go ahead and corrupt memory.
21:06 dalek MoarVM/line_based_coverage: review: https://github.com/MoarVM/MoarVM/commit/6ade8163f5
21:06 dalek MoarVM/line_based_coverage: 118e5d4 | timotimo++ | src/moar.c:
21:06 dalek MoarVM/line_based_coverage: open coverage log in append mode
21:06 dalek MoarVM/line_based_coverage:
21:06 dalek MoarVM/line_based_coverage: because you'd usually want to merge coverage for a whole
21:06 dalek MoarVM/line_based_coverage: test suite anyway. rather than asking the user to set a
21:07 dalek MoarVM/line_based_coverage: new environment variable per invocation or somehow collect
21:07 timotimo didn't even push my last few commits at all
21:08 diakopter it probably did but dalek squished them
21:09 timotimo no, i mean i made these commits the day before yesterday
21:30 leont joined #moarvm
22:13 [Coke] seen in the daily test run: ^[[6~^[[6~*** Error in `/home/coke/sandbox/perl6-roast-data/rakudo.moar/install/bin/moar': double free or corruption (!prev): 0x00007f69a814c120 ***
22:14 [Coke] of course it's completely divorced from whatever the failure was.
22:14 jnthn urgh
22:15 hoelzro oh joy
22:25 [Coke] hopefully it will on one of the failed tests and I can pin it down.
22:25 [Coke] (this is on hack.p6c.org, even, not my OS X box)
23:27 TimToady m: 1,2,3 RX+= my $b; say $b
23:27 camelia rakudo-moar c27a00: OUTPUT«6␤»
23:28 TimToady m: 1,2,3 XR+= my $b; say $b
23:28 camelia rakudo-moar c27a00: OUTPUT«6␤»
23:28 TimToady oops, ww
23:32 virtualsue joined #moarvm

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