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UEK4: "iscsid: Kernel reported iSCSI connection 3:0 error (1010 - ISCSI_ERR_BAD_ITT: Received invalid initiator task tag from target) state (3)" (Doc ID 2224614.1)

Last updated on FEBRUARY 02, 2019

Applies to:

Linux OS - Version Oracle Linux 6.7 with Unbreakable Enterprise Kernel [4.1.12] and later
Oracle VM - Version 3.4.1 and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64

Symptoms

On UEK4, file system hangs while trying to write data of size above 30MB on isscsi targets.

Below errors are observed in /var/log/messages:

May 18 06:22:02 host01 kernel: [41453.827888] connection4:0: pdu (op 0x1itt 0x7000004f) rejected. Reason code 0x5
May 18 06:22:02 host01 kernel: [41453.828136] connection4:0: pdu (op 0x1itt 0x70000057) rejected. Reason code 0x5
May 18 06:22:09 host01 kernel: [41460.804499] connection6:0: pdu (op 0x1itt 0x40000072) rejected. Reason code 0x5
May 18 06:22:33 host01 kernel: [41484.786790] sd 5:0:0:0: [sdq] FAILED Result: hostbyte=DID_TIME_OUT driverbyte=DRIVER_OK
May 18 06:22:33 host01 kernel: [41484.786796] sd 5:0:0:0: [sdq] CDB:Write(10) 2a 00 00 26 d0 3f 00 40 00 00
May 18 06:22:33 host01 kernel: [41484.786799] blk_update_request: I/O error, dev sdq, sector 2543679
May 18 06:22:33 host01 kernel: [41484.786955] connection2:0: detected conn error (1010)
May 18 06:22:33 host01 kernel: [41484.787133] connection2:0: detected conn error (1021)
May 18 06:22:34 host01 iscsid: Kernel reported iSCSI connection 2:0 error (1010 - ISCSI_ERR_BAD_ITT: Received invalid initiator task tag from target) state (3)
May 18 06:22:34 host01 iscsid: Kernel reported iSCSI connection 2:0 error (1021 - ISCSI_ERR_SCSI_EH_SESSION_RST: Session was dropped as a result ofSCSI error recovery) state (1)

Changes

 Upgraded to UEK 4 or OVM 3.4.x to the latest version.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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