I/O hang using XFS and Veritas DMP

Issue

• I/O hung using XFS and Veritas DMP:

PID: 84778    TASK: ffff93787ffbc740  CPU: 3    COMMAND: "mkfs.xfs"
 #0 [ffffb199c53f3c30] __schedule at ffffffffb6f77544
 #1 [ffffb199c53f3cc8] schedule at ffffffffb6f779b7
 #2 [ffffb199c53f3cd8] schedule_timeout at ffffffffb6f7c197
 #3 [ffffb199c53f3d70] io_schedule_timeout at ffffffffb6f77d99
 #4 [ffffb199c53f3d88] wait_for_completion_io_timeout at ffffffffb6f7848e
 #5 [ffffb199c53f3dc8] submit_bio_wait at ffffffffb6a55e92
 #6 [ffffb199c53f3e08] blkdev_issue_zeroout at ffffffffb6a65ba2
 #7 [ffffb199c53f3e90] blkdev_fallocate at ffffffffb69747e3
 #8 [ffffb199c53f3ec8] vfs_fallocate at ffffffffb692989f
 #9 [ffffb199c53f3ef8] ksys_fallocate at ffffffffb692a7ec
#10 [ffffb199c53f3f30] __x64_sys_fallocate at ffffffffb692a84a
#11 [ffffb199c53f3f38] do_syscall_64 at ffffffffb66042bb
#12 [ffffb199c53f3f50] entry_SYSCALL_64_after_hwframe at ffffffffb70000ad
    RIP: 00007f2c5076d5db  RSP: 00007ffe0ddedb78  RFLAGS: 00000246
    RAX: ffffffffffffffda  RBX: 0000000000005000  RCX: 00007f2c5076d5db
    RDX: 0000000140006000  RSI: 0000000000000010  RDI: 0000000000000004
    RBP: 0000000000a00030   R8: 00007ffe0ddee050   R9: 0000000000000002
    R10: 0000000000a00000  R11: 0000000000000246  R12: 0000000000000004
    R13: 0000000000000000  R14: 0000000140006000  R15: 0000000000a00030
    ORIG_RAX: 000000000000011d  CS: 0033  SS: 002b