[ovs-discuss] ovs module build failing on kernel version 3.11 (ubuntu 13.10).

[Pravin Shelar]

Hi Dave,
I send out fix for kernel compilation for 3.11, can you try it?

http://openvswitch.org/pipermail/dev/2014-October/047176.html

Thanks,
Pravin.

On Thu, Oct 9, 2014 at 8:49 AM, Dave Benson <dbenson at verdantnetworks.com> wrote:
> ovs module build failing on kernel version 3.11 (ubuntu 13.10).
>
> This problem does not occur when building for kernel version 3.13 (ubuntu
> 14.04).
>
> I performed a fresh clone of OVS, built for debian, installed common
> package, tried to install datapath-dkms package - which failed compilation.
> (Originally found this when catching up to latest master while preparing a
> patch - created a brand new workspace to confirm the problem.)
>
> Suspect this is due to recent patch named 'datapath: Add support for RHEL-7
> / CentOS-7 kernel.'.  Previously, datapath/inux/compat/include/net/vxlan.h
> tested for kernel version 3.12 or better, if true it would include_next
> <net/vxlan.h>.  Now it tries to include it even if kernel version is 3.11.
> The file net/vxlan.h does not exist prior to kernel version 3.12.
>
> What I did:
> git clone https://github.com/openvswitch/ovs.git
> ./boot.sh
> ./configure
> DEB_BUILD_OPTIONS='parallel=3' fakeroot debian/rules binary
>
> Build was successful, then did:
> dpkg -i openvswitch-common_2.3.90-1_amd64.deb
> dpkg -i openvswitch-datapath-dkms_2.3.90-1_all.deb
>
> Output as follows:
> (Reading database ... 451459 files and directories currently installed.)
> Preparing to replace openvswitch-datapath-dkms 2.1.90-PBBR1.1 (using
> openvswitch-datapath-dkms_2.3.90-1_all.deb) ...
>
> -------- Uninstall Beginning --------
> Module:  openvswitch
> Version: 2.1.90
> Kernel:  3.11.0-26-generic (x86_64)
> -------------------------------------
>
> Status: Before uninstall, this module version was ACTIVE on this kernel.
>
> openvswitch.ko:
>  - Uninstallation
>    - Deleting from: /lib/modules/3.11.0-26-generic/updates/dkms/
>  - Original module
>    - No original module was found for this module on this kernel.
>    - Use the dkms install command to reinstall any previous module version.
>
> depmod......
>
> DKMS: uninstall completed.
>
> ------------------------------
> Deleting module version: 2.1.90
> completely from the DKMS tree.
> ------------------------------
> Done.
> Unpacking replacement openvswitch-datapath-dkms ...
> Setting up openvswitch-datapath-dkms (2.3.90-1) ...
>
> Creating symlink /var/lib/dkms/openvswitch/2.3.90/source ->
>                  /usr/src/openvswitch-2.3.90
>
> DKMS: add completed.
>
> Kernel preparation unnecessary for this kernel.  Skipping...
>
> Building module:
> cleaning build area....(bad exit status: 2)
> ./configure --with-linux='/lib/modules/3.11.0-26-generic/build' && make -C
> datapath/linux..........(bad exit status: 2)
> Error! Bad return status for module build on kernel: 3.11.0-26-generic
> (x86_64)
> Consult /var/lib/dkms/openvswitch/2.3.90/build/make.log for more
> information.
>
> emacs /var/lib/dkms/openvswitch/2.3.90/build/make.log&
>
> The following is copied from end of log...
>
> make -C /lib/modules/3.11.0-26-generic/build
> M=/var/lib/dkms/openvswitch/2.3.90/build/datapath/linux modules
> make[1]: Entering directory `/usr/src/linux-headers-3.11.0-26-generic'
>   CC [M]  /var/lib/dkms/openvswitch/2.3.90/build/datapath/linux/actions.o
>   CC [M]  /var/lib/dkms/openvswitch/2.3.90/build/datapath/linux/datapath.o
>   CC [M]  /var/lib/dkms/openvswitch/2.3.90/build/datapath/linux/dp_notify.o
>   CC [M]  /var/lib/dkms/openvswitch/2.3.90/build/datapath/linux/flow.o
>   CC [M]
> /var/lib/dkms/openvswitch/2.3.90/build/datapath/linux/flow_netlink.o
>   CC [M]  /var/lib/dkms/openvswitch/2.3.90/build/datapath/linux/flow_table.o
>   CC [M]  /var/lib/dkms/openvswitch/2.3.90/build/datapath/linux/vport.o
>   CC [M]
> /var/lib/dkms/openvswitch/2.3.90/build/datapath/linux/vport-geneve.o
> In file included from
> /var/lib/dkms/openvswitch/2.3.90/build/datapath/linux/vport-geneve.c:34:0:
> /var/lib/dkms/openvswitch/2.3.90/build/datapath/linux/compat/include/net/vxlan.h:11:28:
> fatal error: net/vxlan.h: No such file or directory
>  #include_next <net/vxlan.h>
>                             ^
> compilation terminated.
> make[2]: ***
> [/var/lib/dkms/openvswitch/2.3.90/build/datapath/linux/vport-geneve.o] Error
> 1
> make[1]: *** [_module_/var/lib/dkms/openvswitch/2.3.90/build/datapath/linux]
> Error 2
> make[1]: Leaving directory `/usr/src/linux-headers-3.11.0-26-generic'
> make: *** [default] Error 2
> make: Leaving directory
> `/var/lib/dkms/openvswitch/2.3.90/build/datapath/linux'
>
>
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