Thanks Joe and Ben, actually the master branch we also got such error. The doc we followed is "Fedora, RHEL 7.x Packaging for Open vSwitch" [1]. The conflicting shown in [2] was basically same.
[1] https://github.com/openvswitch/ovs/blob/master/Documentation/intro/install/fedora.rst [2] http://paste.openstack.org/show/594350/ On Thu, Jan 12, 2017 at 7:51 AM, Joe Stringer <[email protected]> wrote: > On 11 January 2017 at 15:38, Ben Pfaff <[email protected]> wrote: > > On Wed, Jan 11, 2017 at 03:03:45PM -0800, Joe Stringer wrote: > >> On 9 January 2017 at 19:01, liu yulong <[email protected]> wrote: > >> > Hi experts, > >> > > >> > We have failed to build Open vSwitch Kernel Modules on CentOS 7 > (kernel > >> > 3.10.0-514.2.2.el7.x86_64). > >> > > >> > Here are some traces we got: > >> > http://paste.openstack.org/show/594350/ > >> > > >> > Steps: > >> > 1. download the current openvswitch release: > >> > http://openvswitch.org/releases/openvswitch-2.6.1.tar.gz > >> > > >> > 2. rpmbuild > >> > (1) prepare the SOURCE > >> > cp openvswitch-2.6.1.tar.gz ~/rpmbuild/SOURCES/ > >> > tar -zxvf openvswitch-2.6.1.tar.gz > >> > cp ./openvswitch-2.6.1/rhel/* ~/rpmbuild/SOURCES/ > >> > cp ./openvswitch-2.6.1/rhel/*.spec ~/rpmbuild/SPECS/ > >> > > >> > > >> > (2) edit ~/rpmbuild/SPECS/openvswitch-kmod-fedora.spec > >> > change the #%define kernel to: > >> > #%define kernel 3.10.0-514.2.2.el7.x86_64 > >> > > >> > (3) start build > >> > rpmbuild -bb --without check ~/rpmbuild/SPECS/openvswitch- > kmod-fedora.spec > >> > > >> > Then we get that error. So can anyone help to solve such issue? > >> > Thank you. > >> > >> If you want to use the kernel module from the OVS tree, you need to > >> use master or wait for the next version of OVS. Alternatively you can > >> skip using the kernel module from OVS tree and only compile the > >> userspace programs, then use the kernel module that is provided with > >> Centos 7. > > > > Maybe liu is confused because the FAQ that comes with OVS 2.6.1 says > > that the kernel module should work with Linux 3.10. Maybe it does not > > work because Centos kernels diverge from upstream. > > True, it's a bit confusing. The FAQ distributed with 2.6 specifically > states the supported versions, with this caveat: > > "The Linux kernel versions are upstream kernel versions, so Linux > kernels modified from the upstream sources may not build in some cases > even if they are based on a supported version. This is most notably > true of Red Hat Enterprise Linux (RHEL) kernels, which are extensively > modified from upstream." > > https://github.com/openvswitch/ovs/blob/branch-2. > 6/FAQ.md#q-what-linux-kernel-versions-does-each-open- > vswitch-release-work-with >
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