On 2018-02-02 13:35:59 -0800, Peter Geoghegan wrote: > On Fri, Feb 2, 2018 at 10:38 AM, Peter Geoghegan <p...@bowt.ie> wrote: > > On Fri, Feb 2, 2018 at 10:37 AM, Robert Haas <robertmh...@gmail.com> wrote: > >> If you could keep an eye on the buildfarm and investigate anything > >> that breaks, I would appreciate it. > > > I can keep an eye on it throughout the day. > > There is a benign Valgrind error that causes the lousyjack animal to > report failure. It looks like this: > > ==6850== Syscall param write(buf) points to uninitialised byte(s) > ==6850== at 0x4E4D534: write (in /usr/lib64/libpthread-2.26.so) > ==6850== by 0x82328F: FileWrite (fd.c:2017) > ==6850== by 0x8261AD: BufFileDumpBuffer (buffile.c:513) > ==6850== by 0x826569: BufFileFlush (buffile.c:657) > ==6850== by 0x8262FB: BufFileRead (buffile.c:561) > ==6850== by 0x9F6C79: ltsReadBlock (logtape.c:273) > ==6850== by 0x9F7ACF: LogicalTapeFreeze (logtape.c:906) > ==6850== by 0xA05B0D: worker_freeze_result_tape (tuplesort.c:4477) > ==6850== by 0xA05BC6: worker_nomergeruns (tuplesort.c:4499) > ==6850== by 0x9FCA1E: tuplesort_performsort (tuplesort.c:1823)
Not saying you're wrong, but you should include a comment on why this is a benign warning. Presumably it's some padding memory somewhere, but it's not obvious from the above bleat. Greetings, Andres Freund