On Thu, Dec 13, 2018 at 09:22:07PM -0800, Guenter Roeck wrote: > Hi folks, > > I recently started seeing spurious test failures with rbtree tests, > resulting in boot delays and random "hung task" warnings. > The problems have been fixed upstream with the following patches. > > v4.14.y: > > 0b548e33e6cb lib/rbtree-test: lower default params > > v4.4.y, v4.9.y: > > a54dae0338b7 lib/interval_tree_test.c: make test options module parameters > c46ecce431eb lib/interval_tree_test.c: allow full tree search Wait, this patch breaks the build for 4.4.y and 4.9.y, so this isn't going to work well: lib/interval_tree_test.c: In function ‘interval_tree_test_init’: lib/interval_tree_test.c:105:38: error: ‘max_endpoint’ undeclared (first use in this function); did you mean ‘tracepoint’? unsigned long last = search_all ? max_endpoint : queries[j]; ^~~~~~~~~~~~ tracepoint So I'm going to drop these from the 4.4 and 4.9 and 3.18 trees. How did they build for you? confused, greg k-h