With the change for WT-4966, valgrind can now make progress beyond the test/csuite/import directory. It is currently hanging on test/csuite/wt2535_insert_race.

Looking on tinderbox, the process has consumed a ton of time:

jenkins  18768  102  2.3 1414808 1149160 ?     Sl   Sep04 601:43 valgrind --tool=memcheck --leak-check=full --num-callers=20 --undef-value-errors=yes --track-origins=yes --child-silent-after-fork=yes --fair-sched=try --xml=yes --xml-file=/home/jenkins/jenkins/workspace/wiredtiger-valgrind/%p.memcheck ./test_wt2535_insert_race

Given it has run over 600 minutes, that test should be skipped for valgrind (similar to the way test/csuite/wt2853_perf/main.c and others skip with valgrind).

Until that change is in, valgrind will continue to hang on that test.