Hi, xfstests cases: generic/075 generic/112 generic/127 generic/231 generic/263 fail with DAX, pass without it. Both xfs and ext4. It was okay on 0306 -next tree. + ./check generic/075 FSTYP -- xfs (non-debug) PLATFORM -- Linux/x86_64 hp-dl360g9-12 4.11.0-rc1-linux-next-5be4921-next-20170310 MKFS_OPTIONS -- -f -bsize=4096 /dev/pmem0p2 MOUNT_OPTIONS -- -o dax -o context=system_u:object_r:nfs_t:s0 /dev/pmem0p2 /daxsch generic/075 4s ... [failed, exit status 1] - output mismatch (see /root/xfstests/results//generic/075.out.bad) --- tests/generic/075.out 2016-12-13 14:38:25.984557426 +0800 +++ /root/xfstests/results//generic/075.out.bad 2017-03-14 10:40:23.083052839 +0800 @@ -4,15 +4,4 @@ ----------------------------------------------- fsx.0 : -d -N numops -S 0 ----------------------------------------------- - ------------------------------------------------ -fsx.1 : -d -N numops -S 0 -x ------------------------------------------------ ... (Run 'diff -u tests/generic/075.out /root/xfstests/results//generic/075.out.bad' to see the entire diff) .. $ diff -u xfstests/tests/generic/075.out /root/xfstests/results//generic/075.out.bad --- xfstests/tests/generic/075.out 2016-12-13 14:38:25.984557426 +0800 +++ /root/xfstests/results//generic/075.out.bad 2017-03-14 10:40:23.083052839 +0800 @@ -4,15 +4,4 @@ ----------------------------------------------- fsx.0 : -d -N numops -S 0 ----------------------------------------------- - ------------------------------------------------ -fsx.1 : -d -N numops -S 0 -x ------------------------------------------------ - ------------------------------------------------ -fsx.2 : -d -N numops -l filelen -S 0 ------------------------------------------------ - ------------------------------------------------ -fsx.3 : -d -N numops -l filelen -S 0 -x ------------------------------------------------ + fsx (-d -N 1000 -S 0) failed, 0 - compare /root/xfstests/results//generic/075.0.{good,bad,fsxlog} $ diff -u /root/xfstests/results//generic/075.0.{good,fsxlog} | tail -20 -03cb30 f903 da03 1103 7503 5403 8903 9f03 6b03 -03cb40 bb03 fb03 5603 7e03 c503 ca03 0103 9603 -03cb50 7f03 7c03 0c03 5103 ed03 dc03 a403 5c03 -03cb60 5403 b903 4403 3c03 4b03 a903 2303 1a03 -03cb70 2b03 5f03 fd03 ee03 1303 9703 2903 d303 -03cb80 4e03 9903 f903 8003 b803 2503 2203 c903 -03cb90 6803 7a03 0f03 6303 de03 ba03 6e03 6503 -03cba0 db03 -03cba2 +skipping zero size read +skipping insert range behind EOF +3 mapwrite 0x2e836 thru 0x3cba1 (0xe36c bytes) +domapwrite: msync: Invalid argument +LOG DUMP (3 total operations): +1( 1 mod 256): SKIPPED (no operation) +2( 2 mod 256): SKIPPED (no operation) +3( 3 mod 256): MAPWRITE 0x2e836 thru 0x3cba1 (0xe36c bytes) +Log of operations saved to "075.0.fsxops"; replay with --replay-ops +Correct content saved for comparison +(maybe hexdump "075.0" vs "075.0.fsxgood") https://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git/tree/tests/generic/075 https://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git/tree/ltp/fsx.c -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>