00000001:02000400:3.0F:1749605768.633453:0:20530:0:(debug.c:792:libcfs_debug_mark_buffer()) DEBUG MARKER: == conf-sanity test 34a: umount with opened file should be fail ========================================================== 21:36:08 (1749605768) 00000001:02000400:1.0F:1749605771.100511:0:20786:0:(debug.c:792:libcfs_debug_mark_buffer()) DEBUG MARKER: conf-sanity test_34a: @@@@@@ FAIL: MDT start failed Debug log: 2 lines, 2 kept, 0 dropped, 0 bad.