On 2018-07-04 20:33:05 -0700, Andres Freund wrote: > On 2018-07-04 13:15:19 -0400, Alvaro Herrera wrote: > > On 2018-Jun-30, Tom Lane wrote: > > > > > Alvaro Herrera <alvhe...@alvh.no-ip.org> writes: > > > > Fix crash when ALTER TABLE recreates indexes on partitions > > > > > > So ... buildfarm member skink has been reporting a valgrind failure > > > during initdb since this patch went in. However, I'm unable to reproduce > > > such a failure here, and it's less than obvious how this particular patch > > > could have caused a problem, and skink's report is pretty useless because > > > it's providing only a numeric stack trace. Thoughts? > > > > Actually, older branches are failing in the same way, so it's not my > > patch that caused it to fail. Something must have changed in the system ... > > Andres? > > I spent a fair amount of time trying to dig into this. It appears to be > related to a binutils update. Everything built with a binutils version < > 2.30.90.20180627-1 (in my case 2.30-22) works correctly with > valgrind. If rebuilt after an upgrade it doesn't. Still trying to > narrow down further.
FWIW, I've reported this as a bug to debian. And figured out in the course of collecting the necessary information that forcing gcc to use the gold linker works around the issue. Started a run on skink with that, hopefully that resolves the issue. Greetings, Andres Freund