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I am trying to upgrade my coprocessor from the preinstalled version 2.1 to the newest MPSS 3.2, but am having some issues. I am going through the readme here (http://registrationcenter.intel.com/irc_nas/4245/readme.txt) and am running into an issue with the steps to uninstall pre-3.x builds. The output of "sudo rpm -qa | grep -e intel-mic -e mpss" is
intel-mic-ofed-card-6720-12.el6.x86_64 intel-mic-micmgmt-2.1.6720-12.2.6.32.358.el6.x86_64 intel-mic-perf-2.1.6720-12.el6.x86_64 intel-mic-ofed-kmod-6720-12.el6.x86_64 intel-mic-kmod-2.1.6720-12.2.6.32.358.el6.x86_64 intel-mic-ofed-ibpd-6720-12.el6.x86_64 intel-mic-2.1.6720-12.el6.x86_64 intel-mic-ofed-libibscif-devel-6720-12.el6.x86_64 intel-mic-perf-data-2.1.6720-12.el6.x86_64 intel-mic-flash-2.1.386-2.el6.x86_64 intel-mic-mpm-2.1.6720-12.el6.x86_64 intel-mic-sysmgmt-2.1.6720-12.el6.x86_64 intel-mic-ofed-dapl-2.0.36.7-1.el6.x86_64 intel-mic-cdt-2.1.6720-12.el6.x86_64 intel-mic-crashmgr-2.1.6720-12.el6.x86_64 intel-mic-gpl-2.1.6720-12.el6.x86_64 intel-mic-ganglia-2.1.6720-12.el6.x86_64 intel-mic-ofed-dapl-utils-2.0.36.7-1.el6.x86_64 intel-mic-gdb-2.1.6720-12.el6.x86_64 intel-mic-ofed-libibscif-6720-12.el6.x86_64 intel-mic-ofed-dapl-devel-static-2.0.36.7-1.el6.x86_64 intel-mic-ofed-dapl-devel-2.0.36.7-1.el6.x86_64 intel-mic-ofed-kmod-devel-6720-12.el6.x86_64
And when I try "sudo service mpss unload" I get
Shutting down MPSS Stack: Removing MIC Module: FATAL: Module mic is in use. [FAILED]
I've tried all the suggestions by Frances Roth here https://software.intel.com/en-us/forums/topic/488872, but to no avail. The output of "sudo /opt/intel/mic/bin/micinfo" is
MicInfo Utility Log Created Wed Jun 25 13:35:23 2014 System Info HOST OS : Linux OS Version : 2.6.32-431.20.3.el6.x86_64 Driver Version : 6720-12 MPSS Version : 2.1.6720-12 Host Physical Memory : 65849 MB Device No: 0, Device Name: mic0 Version Flash Version : NotAvailable SMC Firmware Version : NotAvailable SMC Boot Loader Version : NotAvailable uOS Version : NotAvailable Device Serial Number : NotAvailable Board Vendor ID : 0x8086 Device ID : 0x225d Subsystem ID : 0x3608 Coprocessor Stepping ID : 2 PCIe Width : x16 PCIe Speed : 5 GT/s PCIe Max payload size : 256 bytes PCIe Max read req size : 512 bytes Coprocessor Model : 0x01 Coprocessor Model Ext : 0x00 Coprocessor Type : 0x00 Coprocessor Family : 0x0b Coprocessor Family Ext : 0x00 Coprocessor Stepping : C0 Board SKU : NotAvailable ECC Mode : NotAvailable SMC HW Revision : NotAvailable Cores Total No of Active Cores : NotAvailable Voltage : NotAvailable Frequency : NotAvailable Thermal Fan Speed Control : NotAvailable Fan RPM : NotAvailable Fan PWM : NotAvailable Die Temp : NotAvailable GDDR GDDR Vendor : NotAvailable GDDR Version : NotAvailable GDDR Density : NotAvailable GDDR Size : NotAvailable GDDR Technology : NotAvailable GDDR Speed : NotAvailable GDDR Frequency : NotAvailable GDDR Voltage : NotAvailable
Could I bet that I can just go ahead and upgrade to 3.2 without uninstalling the current MPSS 2.1? Any help would be much appreciated!
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I see you have ofed installed. Try shutting down all the ofed services:
[bash]
user_prompt> sudo service mpxyd stop
user_prompt> sudo service opensmd stop
user_prompt> sudo service ofed-mic stop
user_prompt> sudo service openibd stop
[/bash]
If any of these services are running, the mic kernel module will believe it is in use.
Link Copied
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I see you have ofed installed. Try shutting down all the ofed services:
[bash]
user_prompt> sudo service mpxyd stop
user_prompt> sudo service opensmd stop
user_prompt> sudo service ofed-mic stop
user_prompt> sudo service openibd stop
[/bash]
If any of these services are running, the mic kernel module will believe it is in use.
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Don't know which one did it, but that worked, Frances! Thanks!
[mjswartz@pn1249269 ~]$ service mpss status mpss is stopped [mjswartz@pn1249269 ~]$ service mpss unload Shutting down MPSS Stack: Removing MIC Module: FATAL: Module mic is in use. [FAILED] [mjswartz@pn1249269 ~]$ sudo service mpxyd stop [sudo] password for mjswartz: [mjswartz@pn1249269 ~]$ su Password: [root@pn1249269 mjswartz]# sudo service mpxyd stop Stopping mpxyd daemon: [ OK ] [root@pn1249269 mjswartz]# sudo service opensmd stop opensmd: unrecognized service [root@pn1249269 mjswartz]# sudo service ofed-mic stop Stopping OFED Stack: mic0 [FAILED] hostFATAL: Module ibscif not found. [FAILED] [root@pn1249269 mjswartz]# sudo service openibd stop Unloading HCA driver: [ OK ] [root@pn1249269 mjswartz]# service mpss unload Shutting down MPSS Stack: Removing MIC Module: [ OK ]
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Now a new problem! I'm on step 5 of the installation readme, attempting the command "sudo modprobe mic", but get the following error:
FATAL: Could not open '/lib/modules/2.6.32-431.20.3.el6.x86_64/weak-updates/mic.ko': No such file or directory
Any ideas where mic.ko is?
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For your info, in my system, it is the service mpxyd that uses mpss service. Stopping mpxyd will allow me to unload mpss.
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Can you try
% find / -name mic.ko -print
Again, in my system, it shows
/lib/modules/2.6.32-279.el6.x86_64/extra/mic.ko
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Found mic.ko in a similar folder. Copies mic.ko over and installation was successful. Thank you guys for the help!
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I also had these two problems when upgrading from MPSS 3.x to 3.2.3. I found that the easiest way to avoid them is to reboot the host after uninstalling the old MPSS (and OFED packages on top of it). Perhaps instructions in readme.txt should call for a reboot?

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