[CentOS-devel] Loading pre-built for Red Hat kernel modules
cap at nsc.liu.se
Fri Aug 20 12:14:10 EDT 2010
On Friday 20 August 2010, Ross McKerchar wrote:
> Hi Guys,
This is OT for centos-devel, you should've posted on the main list.
> I have a product which requires it's own kernel module. The vendor
> provides pre-built kernel modules that are compiled against the stock
> Red Hat kernels but the product does not successfully identify and
> load these binary modules on my Cent OS machines. I'm in a discussion
> with the vendor about fixing this so that the product successfully
> identifies the Red Hat modules as compatible. However we're not sure
> if these binary modules will indeed be 100% compatible with the
> corresponding Cent OS kernel for any given version. The concern was
> that tiny differences between the kernels, say, the name of the build
> host, could change the address of a data structure in the kernel which
> the pre-built module attempts to use.
> Does this sound like a valid concern? Where does the attempt to
> provide 100% binary compatibility end? The source for these kernel
> modules is actually available but I am trying to avoid having to build
> custom modules.
CentOS uses the same kABI as RHEL if I'm not mistaken so it should be ok. As
usual however, you get to keep the pieces if it breaks (if you want
testing/certification you buy RHEL).
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