[bug #53152] Intermittent timeout running regression test features/output_sync

Follow-up Comment #4, bug #53152 (project make): I see the issue; thanks for the explanation Michael. In some ways this is more of a test artifact than something likely to appear in a real makefile, although I think it really is a bug in make's logic. In a real makefile it's highly unlikely

[bug #53152] Intermittent timeout running regression test features/output_sync

Follow-up Comment #3, bug #53152 (project make): I think the problem is the outer loop in update_goal_chain(): - All goals are handle once per loop iteration. - At the beginning of each iteration at least on child is reaped (if any exist) What happens is this: First iteration: - job for 'bar'

[bug #53152] Intermittent timeout running regression test features/output_sync

Follow-up Comment #2, bug #53152 (project make): I can reliably reproduce this on Fedora 26 if I have enough busy-wait processes running, using this command line: while true; do date; rm mksync; make -j2 -dr; done and this Makefile: all: foo baz foo: bar date > mksync bar:

[bug #53152] Intermittent timeout running regression test features/output_sync

URL: Summary: Intermittent timeout running regression test features/output_sync Project: make Submitted by: srivasta Submitted on: Tue 13 Feb 2018 06:26:02 PM CST Severity: 3 - Normal