Xeon Phi 5110 - mpss.service failed

[go__mu-chang]

Dear all,

I was starting mpss on an intel xeon phi 5110 with "service mpss start" and by mistake i sent an ctrl^c. Now mpss doesn´t start and i've tryied to work around this issue fow a while but with no success.
My systemctl status mpss.service message is:

# lspci | grep -i Co-processor
01:00.0 Co-processor: Intel Corporation Xeon Phi coprocessor 5100 series (rev 11)
05:00.0 Co-processor: Intel Corporation Xeon Phi coprocessor 5100 series (rev 11)

# service mpss start
Starting mpss (via systemctl):  Job for mpss.service failed. See 'systemctl status mpss.service' and 'journalctl -xn' for details.

# journalctl -xn
-- Logs begin at Sat 2018-03-17 16:01:03 KST, end at Sat 2018-03-17 16:50:29 KST. --
Mar 17 16:50:01 localhost.localdomain systemd[1]: Created slice user-0.slice.
-- Subject: Unit user-0.slice has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit user-0.slice has finished starting up.
--
-- The start-up result is done.
Mar 17 16:50:01 localhost.localdomain systemd[1]: Starting Session 9 of user root.
-- Subject: Unit session-9.scope has begun with start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit session-9.scope has begun starting up.
Mar 17 16:50:01 localhost.localdomain systemd[1]: Started Session 9 of user root.
-- Subject: Unit session-9.scope has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit session-9.scope has finished starting up.
--
-- The start-up result is done.
Mar 17 16:50:01 localhost.localdomain CROND[5624]: (root) CMD (/usr/lib64/sa/sa1 1 1)
Mar 17 16:50:29 localhost.localdomain systemd[1]: Starting Intel(R) MPSS control service.
-- Subject: Unit mpss.service has begun with start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit mpss.service has begun starting up.
Mar 17 16:50:29 localhost.localdomain mpss[5654]: Loading MIC module: [  OK  ]
Mar 17 16:50:29 localhost.localdomain mpss[5654]: Starting Intel(R) MPSS: [<EC><8B><A4>
Mar 17 16:50:29 localhost.localdomain systemd[1]: mpss.service: control process exited, code=exited status=2
Mar 17 16:50:29 localhost.localdomain systemd[1]: Failed to start Intel(R) MPSS control service.
-- Subject: Unit mpss.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit mpss.service has failed.
--
-- The result is failed.

mpss.service: control process exited, code=exited status=2

<-- status=2, what's mean?

Can someone help me on this problem?
Thank you.
Best regards,

mcgo

[go__mu-chang]

# miccheck
MicCheck 3.8.3-1
Copyright (c) 2016, Intel Corporation.

Executing default tests for host
  Test 0: Check number of devices the OS sees in the system ... pass
  Test 1: Check mic driver is loaded ... pass
  Test 2: Check number of devices driver sees in the system ... fail
    SCIF nodes do not match number of PCI detected devices

Status: FAIL
Failure: SCIF nodes do not match number of PCI detected devices

[Rob_J_]

Urgh. Try reinstalling MPSS.

[JJK]

Did a reboot of the box help?

Otherwise, do a

rmmod mic
systemctl restart mpss

to see if that helps