Powerpath reporting "asb:iopf" error for devices on SAN.

Issue

• Powerpath multipathing software reporting error for one of the paths.

=============================================
Pseudo name=emcpowerh
Symmetrix ID=000xxxxxxx16
Logical device ID=00000238
Device WWN=60000123456789000000000030323338
state=alive; policy=SymmOpt; queued-IOs=0
==============================================================================
--------------- Host ---------------   - Stor -  -- I/O Path --   -- Stats ---
###  HW Path               I/O Paths    Interf.  Mode     State   Q-IOs Errors
==============================================================================
   4 qla2xxx               sdam        FA  8d:10 active   alive      0      0
   4 qla2xxx               sdba        FA  6d:10 asb:iopf alive      0      0
   1 qla2xxx               sdy         FA  4d:11 active   alive      0      0
   1 qla2xxx               sdk         FA  2d:11 active   alive      0      0

Following errors are observed in syslog.

Jan  1 10:59:16 hostname kernel: Info:Mpx:Path Bus 4 Tgt 1 Lun 9, ErrInst 77b808, TimeStamp 2024   Jan 01 15:45:35 GMT, ErrCode SCSI IO Error
Jan  1 10:59:16 hostname kernel: Info:Mpx:Path Bus 4 Tgt 1 Lun 9, ErrInst 77e6c5, TimeStamp 2024   Jan 01 15:55:24 GMT, ErrCode SCSI IO Error
Jan  1 10:59:16 hostname kernel: Info:Mpx:Path Bus 4 Tgt 1 Lun 9, ErrInst 77efab, TimeStamp 2024   Jan 01 15:57:44 GMT, ErrCode SCSI IO Error
Jan  1 10:59:16 hostname kernel: Info:Mpx:Path Bus 4 Tgt 1 Lun 9, ErrInst 77f5a9, TimeStamp 2024   Jan 01 15:59:08 GMT, ErrCode SCSI IO Error