On Tue, Jan 17, 2017 at 11:59 AM, Martin Sebor <mse...@gmail.com> wrote: > On 01/17/2017 08:30 AM, Jeff Law wrote: >> >> On 01/16/2017 05:37 PM, Martin Sebor wrote: >>> >>> I've run into this failure during make check in the past with >>> a very large make -j value (such as -j128), but today I've had >>> two consecutive make check runs fail with -j12 and -j8 on my 8 >>> core laptop with no much else going on. The last thing running >>> was the go test suite. Has something changed recently that >>> could be behind it? (My user process limit is 62863.) >> >> What version of make are you using? There was a bug where make could >> lose track of children a while back. Ask Patsy -- she may remember the >> RHEL BZ and from that we can probably extract the version #s that were >> affected and see if they match the version you're running. > > > I have make 4.0 and I'm running Fedora 23. I haven't changed > anything on the machine in a while and used to be able to run > make -j16. I still can bootstrap with that but make check > has been failing recently. Three times yesterday (-12, -j8, > and -j12 again), but then the last one with -j12 completed. > > The frustrating thing is that after the failure I have to > restart make check from scratch, and so it can waste hours.
I haven't seen any catastrophic failures, but have noticed some inconsistencies with parallel make check. Sometimes it seems to substitute a different filename. It seems like make check -j harness assumes some unique names for temporary / intermediate files that are not guaranteed by the scripts. Thanks, David
