Once you are finished, you can do ““rpm -qa | grep kernel” and confirm everything looks good. Rpm -e kernel-devel-3.10.0-327.13.1.el7.x86_64Īlso change to “/lib/modules” and do a directory listing and remove any directory referring to old kernel versions. Lets assume that “uname -r” returned “3.10.0-514.2.2.el7.x86_64” then all the 3.10.0-327 ones are old and need to be removed. If you are missing them, the use yum or equivalent on your distribution to install them such as: In the example above, there are kernel headers and a kernel development package that match the kernel we are running. If you use the RPM package manager then “rpm -qa | grep kernel”.
Then use your package manager to determine if you have kernels, kernel headers or kernel development packages that are older. This is caused by module you are loading not being matching the kernel version you are running.įirst, determine which kernel you are running with “uname -r”. Sometimes you will see this in the dmesg output as well. When loading the driver kernel module you get a “unknown symbol” error message for one more field names.
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