[dpdk-users] DPDK Linux kernel version requirement
keith.wiles at intel.com
Thu Nov 17 19:32:54 CET 2016
> On Nov 17, 2016, at 12:27 PM, James Huang <jamsphon at gmail.com> wrote:
> Nice to join DPDK community.
> read from DPDK system requirements for Linux
> Kernel version >= 2.6.34
> I'd like to know if there is any reason to block DPDK build and run on
> older kernel version, i.e. 2.6.32, as carried on CentOS 6. where
> Could we just keep our CentOS 6 64bit x86_64 OS and continuing running
> 32bit applications with DPDK injected.
> or, there are good reasons *must* upgrade to CentOS 7, where
> kernel=3.10.0, gcc=4.8, and re-build applications to 64bit as well?
The only issues I can think of are no huge page support and the igb_uio or kernel components may not build. Having no huge page support can be a performance hit, but you should use —no-huge option. I know some people have it building on older kernels, but it has been many revs back.
> Thanks a lot!
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