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Exadata Database Node Rebooted with "NETDEV WATCHDOG: ib0 (mlx4_core): transmit queue 0 timed out" (Doc ID 2674751.1)

Last updated on APRIL 12, 2022

Applies to:

Exadata Database Machine X8-2/X8M-2 Hardware - Version All Versions to All Versions [Release All Releases]
Linux x86-64

Symptoms

Exadata database node was rebooted all of sudden and from OS messages file shortly before node rebooted we can see following stack trace ::

May 18 18:14:02 dbadm01 kernel: <IRQ>

May 18 18:14:02 dbadm01 kernel: queued_spin_lock_slowpath+0xb/0xf

May 18 18:14:02 dbadm01 kernel: _raw_spin_lock+0x2e/0x32

May 18 18:14:02 dbadm01 kernel: rds_send_remove_from_sock+0xb9/0x420 [rds]

May 18 18:14:02 dbadm01 kernel: rds_send_path_drop_acked+0x138/0x160 [rds]

May 18 18:14:02 dbadm01 kernel: rds_send_drop_acked+0x1f/0x30 [rds]

May 18 18:14:02 dbadm01 kernel: rds_ib_rx+0x1ca/0x220 [rds_rdma]

May 18 18:14:02 dbadm01 kernel: rds_ib_tasklet_fn_recv+0x30/0x40 [rds_rdma]

May 18 18:14:02 dbadm01 kernel: tasklet_action+0x10e/0x117

May 18 18:14:02 dbadm01 kernel: __do_softirq+0xd9/0x28d

May 18 18:14:02 dbadm01 kernel: irq_exit+0xdf/0xe5

May 18 18:14:02 dbadm01 kernel: do_IRQ+0x59/0xdb

May 18 18:14:02 dbadm01 kernel: common_interrupt+0x1c2/0x382

May 18 18:14:02 dbadm01 kernel: </IRQ>

Changes

 No known changes

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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