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Cisco Bug: CSCus65565 - RHEL 6.x/7.x may fail to load FNIC due to symbol conflict

Last Modified

Mar 03, 2018

Products (1)

  • Cisco UCS Virtual Interface Card

Known Affected Releases


Description (partial)

After upgrading FNIC driver to, Linux OS does not load updated driver module.

" modinfo fnic " loads in-stock FNIC driver instead of updated driver module.

Missing fnic symbolic links under updated kernel directory 

 ls -tlr /lib/modules/`uname -r`/weak-updates/

First observed with UCS server running RHEL 6.4 OS with updated kernel

In-stock kernel  2.6.32-358.el6.x86_64
Updated kernel 2.6.32-504.1.3.el6.x86_64

Upgraded FNIC driver from to

Issue also has been observed with RHEL 7.0 OS

In-stock Kernel: 3.10.0-123.el7.x86_64
Updated Kernel: 3.10.0-123.20.1.el7.x86_64
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