The  OS will pop out the "detected conn error (1020)" after run
command "systemctl restart iscsid" and command "systemctl restart open-
iscsi" I've open debug mode of module "scsi_tcp, libiscsi,
scsi_transport_iscsi" and have the journal log and sosreport log for
you.

-->>    
        Apr 10 07:48:27 test kernel: scsi host18: iSCSI Initiator over TCP/IP
        Apr 10 07:48:28 test kernel:  connection2:0: detected conn error (1020)
        Apr 10 07:48:28 test iscsid[3302]: Could not set session2 priority. 
READ/WRITE throughout and latency could be affected.
        Apr 10 07:48:28 test iscsid[3302]: Login failed to authenticate with 
target iqn.1986-03.com.ibm:2145.v7000gen2.node2
        Apr 10 07:48:28 test iscsid[3302]: session 2 login rejected: Initiator 
failed authentication with target
        Apr 10 07:48:28 test iscsid[3302]: Connection2:0 to [target: 
iqn.1986-03.com.ibm:2145.v7000gen2.node2, portal: 9.0.0.22,3260] through 
[iface: default] is shutdown
        
        Apr 10 07:59:34 test iscsiadm[4267]: iscsiadm: initiator reported error 
(24 - iSCSI login failed due to authorization failure)
        Apr 10 07:59:34 test iscsiadm[4267]: iscsiadm: Could not login to 
[iface: default, target: iqn.1986-03.com.ibm:2145.v7000gen2.node2, portal: 
9.0.0.22,3260].
        Apr 10 07:59:34 test iscsiadm[4267]: iscsiadm: initiator reported error 
(24 - iSCSI login failed due to authorization failure)
        Apr 10 07:59:34 test iscsiadm[4267]: iscsiadm: Could not log into all 
portals
        Apr 10 07:59:34 test iscsiadm[4267]: Logging in to [iface: default, 
target: iqn.1986-03.com.ibm:2145.v7000gen2.node2, portal: 
2000:0501:ffff:0100:0000:0000:0000:0666,3260]
Apr 10 07:59:34 test iscsiadm[4267]: Logging in to [iface: default, target: 
iqn.1986-03.com.ibm:2145.v7000gen2.node2, portal: 9.0.0.22,3260]
<<--

** Attachment added: "sosreport file"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2060924/+attachment/5763645/+files/sosreport-test1111-111-2024-04-11-wjglwlp.tar.xz

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https://bugs.launchpad.net/bugs/2060924

Title:
  [Lenovo Ubuntu 24.04 Bug] Can not detect iscsi disk storage and kernel
  show " detected conn error (1020)"

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