Pádraig Brady wrote: > Jim Meyering wrote: >> FYI, I ran make -j9 check on a fast quad-core system earlier >> today and saw this failure: >> >> FAIL: tail-2/pid (exit: 1) >> ========================== >> ... >> + timeout 1 tail -s.1 -f /dev/null --pid=2147483647 >> + test 124 = 124 >> + fail=1 >> >> To me, that means it took more than 1 second for the child to start, >> and so the parent's 1-second timeout expired, causing the failure. > > Fair enough. Though considering it's a fast quad-core system, > latencies of over 900ms are surprising.
When you punish the I/O subsystem as much as a few of the tests do, it happens more often than I'd like. (tests/cp/link-heap is one of the biggest culprits) > Note we seem to be sleeping for this case which isn't helping. > I'll look at whether we can check the pid before doing a sleep > for the next release. > > I've nothing outstanding that needs to go into 7.7 Thanks.
