FYI, we noticed the following commit (built with gcc-6): commit: 8353a814f2518dcfa79a5bb77afd0e7dfa391bb1 ("xfs: open code end_buffer_async_write in xfs_finish_page_writeback") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master in testcase: xfstests with following parameters: disk: 4HDD fs: xfs test: generic-group3 test-description: xfstests is a regression test suite for xfs and other files ystems. test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git on test machine: 4 threads Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz with 6G memory caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): [ 725.992312] XFS (dm-3): writeback error on sector 1485824 [ 735.968267] XFS (dm-3): writeback error on sector 1487872 [ 735.972288] XFS (dm-3): writeback error on sector 1490944 [ 735.976156] XFS (dm-3): writeback error on sector 1494016 [ 735.980056] XFS (dm-3): writeback error on sector 1497088 [ 735.983875] XFS (dm-3): writeback error on sector 1500160 [ 735.987635] XFS (dm-3): writeback error on sector 1503232 [ 735.989493] XFS (dm-3): writeback error on sector 1506304 [ 735.991361] XFS (dm-3): writeback error on sector 1509376 [ 735.993200] XFS (dm-3): writeback error on sector 1512448 [ 735.995052] XFS (dm-3): writeback error on sector 1515520 To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Thanks, Xiaolong