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Oracle Linux: Warning messages 'kernel: [xxxxx] ib1: ioctl fail to copy request data'. (Doc ID 2320102.1)

Last updated on FEBRUARY 01, 2019

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Linux OS - Version Oracle Linux 6.8 with Unbreakable Enterprise Kernel [4.1.12] and later
Linux x86-64

Symptoms

On Oracle Linux 6 with kernel 4.1.12-61.47.1.el6uek.x86_64 version or older, the following warning entries were observed in /var/log/messages prior to a reboot. Examination of the VMCORE file produced by the KDUMP facility concur:

--- /var/log/messages:
Sep 27 04:20:08 localhost kernel: [1272439.796146] ib0: ioctl fail to copy request data
Sep 27 04:20:08 localhost kernel: [1272439.796168] ib1: ioctl fail to copy request data
Sep 27 04:40:08 localhost kernel: [1273639.242885] ib0: ioctl fail to copy request data
Sep 27 04:40:08 localhost kernel: [1273639.242908] ib1: ioctl fail to copy request data
Sep 27 04:50:08 localhost kernel: [1274238.966411] ib0: ioctl fail to copy request data
Sep 27 04:50:08 localhost kernel: [1274238.966434] ib1: ioctl fail to copy request data
Sep 27 04:50:47 localhost rsyslogd-2177: imuxsock begins to drop messages from pid 188006 due to rate-limiting
Sep 27 04:50:51 localhost rsyslogd-2177: imuxsock lost 169 messages from pid 188006 due to rate-limiting
Sep 27 04:52:03 localhost rsyslogd-2177: imuxsock lost 47 messages from pid 298097 due to rate-limiting
Sep 27 04:59:50 localhost kernel: imklog 5.8.10, log source = /proc/kmsg started.
Sep 27 04:59:50 localhost rsyslogd: [origin software="rsyslogd" swVersion="5.8.10" x-pid="11372" x-info="http://www.rsyslog.com"] start
Sep 27 04:59:50 localhost kernel: [ 0.000000] Initializing cgroup subsys cpuset
Sep 27 04:59:50 localhost kernel: [ 0.000000] Initializing cgroup subsys cpu

Logs from vmcore:
[2891315.169607] ib0: ioctl fail to copy request data
[2891315.169642] ib1: ioctl fail to copy request data
[2891914.891408] ib0: ioctl fail to copy request data
[2891914.891431] ib1: ioctl fail to copy request data
[2892514.612863] ib0: ioctl fail to copy request data
[2892514.612902] ib1: ioctl fail to copy request data
[2893114.331550] ib0: ioctl fail to copy request data
[2893114.331572] ib1: ioctl fail to copy request data
[2893714.052122] ib0: ioctl fail to copy request data
[2893714.052144] ib1: ioctl fail to copy request data
[2894313.772897] ib0: ioctl fail to copy request data
[2894313.772935] ib1: ioctl fail to copy request data
[2894913.492873] ib0: ioctl fail to copy request data
[2894913.492895] ib1: ioctl fail to copy request data
[2895513.213471] ib0: ioctl fail to copy request data
[2895513.213493] ib1: ioctl fail to copy request data
[2896112.934730] ib0: ioctl fail to copy request data
[2896112.934764] ib1: ioctl fail to copy request data
[2896712.656415] ib0: ioctl fail to copy request data
[2896712.656437] ib1: ioctl fail to copy request data
[2897312.375609] ib0: ioctl fail to copy request data

Cause

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In this Document
Symptoms
Cause
Solution
References

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