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Oracle Linux: System Crash With exception RIP: __dta_iscsi_sw_tcp_state_change__27+133 (Doc ID 2676727.1)

Last updated on JULY 22, 2020

Applies to:

Linux OS - Version Oracle Linux 7.6 and later
Information in this document applies to any platform.

Symptoms

System reboots frequently.

On analyzing the vmcore:

crash64> bt
PID: 0 TASK: ffff8856c6a87000 CPU: 16 COMMAND: "swapper/16"
#0 [ffff882b200034f0] machine_kexec at ffffffff81063a8b
#1 [ffff882b20003560] crash_kexec at ffffffff8111e072
#2 [ffff882b20003630] oops_end at ffffffff8101b948
#3 [ffff882b20003660] no_context at ffffffff8174a31c
#4 [ffff882b200036c0] __bad_area_nosemaphore at ffffffff8174a404
#5 [ffff882b20003710] bad_area_nosemaphore at ffffffff8174a570
#6 [ffff882b20003720] __do_page_fault at ffffffff81073416
#7 [ffff882b20003790] do_page_fault at ffffffff81073820
#8 [ffff882b200037d0] page_fault at ffffffff8175ea67
[exception RIP: __dta_iscsi_sw_tcp_state_change_27+133]
RIP: ffffffffc08497e5 RSP: ffff882b20003888 RFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff880c962d6000 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 0000000000000001 RDI: ffff880c962d61a8
RBP: ffff882b200038a8 R8: 0000000000000000 R9: ffffffff81813000
R10: 0000000000000014 R11: 0000000000000000 R12: ffff880cc9b77b18
R13: ffff880c962d61a8 R14: 0000000000000000 R15: ffff880c962d6000
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#9 [ffff882b20003880] __dta_iscsi_sw_tcp_state_change_27 at ffffffffc0849784 [iscsi_tcp]
#10 [ffff882b200038b0] tcp_fin at ffffffff816875df
#11 [ffff882b200038d0] tcp_data_queue at ffffffff816885a8
#12 [ffff882b20003940] tcp_rcv_established at ffffffff8168c771
#13 [ffff882b200039a0] tcp_v4_do_rcv at ffffffff81697a53
#14 [ffff882b200039f0] tcp_v4_rcv at ffffffff81699422
#15 [ffff882b20003ab0] ip_local_deliver_finish at ffffffff81671451
#16 [ffff882b20003ae0] ip_local_deliver at ffffffff81671796
#17 [ffff882b20003b40] ip_rcv_finish at ffffffff81671077
#18 [ffff882b20003b80] ip_rcv at ffffffff81671b1d
#19 [ffff882b20003c00] __netif_receive_skb_core at ffffffff8162f8b8
#20 [ffff882b20003c70] __netif_receive_skb at ffffffff8162fb98
#21 [ffff882b20003c90] netif_receive_skb_internal at ffffffff8162fc20
#22 [ffff882b20003cd0] netif_receive_skb_sk at ffffffff8162fd04
#23 [ffff882b20003cf0] ipoib_cm_handle_rx_wc at ffffffffc06e70a1 [ib_ipoib]
#24 [ffff882b20003df0] ipoib_poll at ffffffffc06dcf55 [ib_ipoib]
#25 [ffff882b20003e50] net_rx_action at ffffffff8163011d
#26 [ffff882b20003ee0] __do_softirq at ffffffff81091210
#27 [ffff882b20003f50] irq_exit at ffffffff81091735
#28 [ffff882b20003f70] do_IRQ at ffffffff8176053a
--- <IRQ stack> ---
#29 [ffff882b0688fdc8] ret_from_intr at ffffffff81759a36
[exception RIP: native_safe_halt+18]
RIP: ffffffff81757c82 RSP: ffff882b0688fe78 RFLAGS: 00000246
RAX: ffffffff817578c0 RBX: 00017db5723f1500 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff882b0688fe78 R8: 0000000000000000 R9: 0000000118ff6ed1
R10: ffffffff8123752f R11: 0000000000000000 R12: ffff882b2000de80
R13: 0000000118ff6ed1 R14: ffff882b20013bc0 R15: ffffffff8175329a
ORIG_RAX: ffffffffffffffad CS: 0010 SS: 0018
#30 [ffff882b0688fe80] default_idle at ffffffff817578de
#31 [ffff882b0688fea0] arch_cpu_idle at ffffffff810243b5
#32 [ffff882b0688feb0] cpu_startup_entry at ffffffff810d49c5
#33 [ffff882b0688ff20] start_secondary at ffffffff81057375

Messages log report the following errors:

kernel: [419533.248822] scsi host: iSCSI Initiator over TCP/IP
iscsid[10696]: iscsid: expecting event 11, got 106, handling...
iscsid[10696]: iscsid: connected local port 54998 to X.X.X.X:3260
kernel: [419533.277627] scsi host: iSCSI Initiator over TCP/IP
iscsid[10696]: iscsid: expecting event 11, got 106, handling...
kernel: [419533.295944] connection65535:0: detected conn error (1020)
iscsid[10696]: iscsid: expecting event 13, got 101, handling...
iscsid[10696]: iscsid: expecting event 13, got 102, handling...
iscsid[10696]: iscsid: login response status 0202
iscsid[10696]: iscsid: login_rsp ret (0)
iscsid[10696]: iscsid: conn 0 login rejected: initiator failed authorization with target
iscsid[10696]: iscsid: deleting a scheduled/waiting thread!
iscsid[10696]: iscsid: disconnecting conn 0x55628b120de8, fd 11
iscsid[10696]: iscsid: expecting event 12, got 105, handling...
iscsid[10696]: iscsid: expecting event 12, got 104, handling...
iscsid[10696]: iscsid: Connection65535:0 to [target: iqn.X, portal:X.X.X.X,3260] through [iface: default] is shutdown.
iscsid[10696]: iscsid: deleting a scheduled/waiting thread!
iscsid[10696]: iscsid: destroying session

Connection errors are reported in dmesg logs:

[419571.167979] scsi host: iSCSI Initiator over TCP/IP
[419571.211953] scsi host: iSCSI Initiator over TCP/IP
[419571.213091] connection65537:0: detected conn error (1020)
[419571.251200] scsi host: iSCSI Initiator over TCP/IP
[419571.262022] connection65538:0: detected conn error (1020)
[419571.289216] scsi host: iSCSI Initiator over TCP/IP
[419571.300422] connection65539:0: detected conn error (1020)

Cause

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In this Document
Symptoms
Cause
Solution
References


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