Dne 27. 07. 20 v 12:25 Vít Ondruch napsal(a): > Dne 24. 07. 20 v 21:01 Jeff Law napsal(a): >> On Fri, 2020-07-24 at 20:52 +0200, Vít Ondruch wrote: >>> The LTO break Ruby on various platforms. >>> >>> >>> https://koji.fedoraproject.org/koji/taskinfo?taskID=47582573 >>> >>> vs >>> >>> https://koji.fedoraproject.org/koji/taskinfo?taskID=47621733 >>> >>> (Note these are my experimental builds testing single test case). >> I haven't gotten a clean ruby build with or without LTO. > > Ruby builds just fine on x86_64 according to Koschei: > > https://koschei.fedoraproject.org/package/ruby? > > >> So I haven't >> investigated Ruby for any LTO specific failures. >> >>> The only difference is redhat-rpm-config 162-1.fc33 => 163-1.fc33. >>> Adding `%define _lto_cflags %{nil}` helped to recover, but if it was at >>> least behaving the same on all platforms :/ >>> >>> >>> And this is Koschei failure: https://koschei.fedoraproject.org/package/ruby? >>> >>> Looking at the full test suite, it seems it causes some troubles to >>> SIGSEV signal handler (Ruby spawns subprocess and kills it). >> Does the signal handler modify any global variables? > > I am afraid there happens a lot of interesting stuff. This is the method > responsible for printing the output which likely fails: > > https://github.com/ruby/ruby/blame/master/vm_dump.c#L920 > > But the issue might be that the signal handler itself might be somehow > modified and the modification fails. This is the default signal handler: > > https://github.com/ruby/ruby/blob/master/signal.c#L1137 > > >> That's been a common source >> of issues I've seen. > > I am afraid I'll need to open some upstream ticket to help with answers > to questions like this :/
https://bugs.ruby-lang.org/issues/17052 Vít > > > Vít > > >> jeff > _______________________________________________ > devel mailing list -- devel@lists.fedoraproject.org > To unsubscribe send an email to devel-le...@lists.fedoraproject.org > Fedora Code of Conduct: > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: > https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org _______________________________________________ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org
