[ovs-discuss] Error - build kernel module (openvswitch-2.0.0.tar.gz) on RHEL 7 Beta

Fri Jan 3 23:45:41 UTC 2014

It just needs a configure check instead of looking at the version. I
sent out a patch.

On Fri, Jan 3, 2014 at 5:18 PM, Joe Stringer <joestringer at nicira.com> wrote:
> I'm not sure what the usual workaround for this type of issue is, but
> I can think of a couple of options:-
>
> - Modify datapath/linux/compat/include/net/sctp/checksum.h to change
> the kernel version check.
> - Alternatively, delete the file, so the kernel version of the header
> is used instead.
>
> On 3 January 2014 14:11, Ashok Byahatti <ashok.byahatti at embrane.com> wrote:
>> I see - it is being backported by kernel and also defined again by OVS. What do you recommend to fix this issue in case of my kernel version 3.10.0-54.0.1.el7.x86_64 on Red hat beta 7 where the function
>> Is backported.
>>
>> Thanks,
>> Ashok
>>
>> -----Original Message-----
>> From: Joe Stringer [mailto:joestringer at nicira.com]
>> Sent: Friday, January 03, 2014 1:04 PM
>> To: Ashok Byahatti
>> Cc: Jesse Gross; bugs at openvswitch.org
>> Subject: Re: [ovs-discuss] Error - build kernel module (openvswitch-2.0.0.tar.gz) on RHEL 7 Beta
>>
>> It looks like this function was backported to your kernel version, which is why you see the conflict. The OVS compatibility header checks for linux 3.12, and defines the function if you're running any earlier version.
>>
>> On 3 January 2014 11:42, Ashok Byahatti <ashok.byahatti at embrane.com> wrote:
>>> Hi Jesse,
>>>
>>> I tried to build the kernel rpm using the master version(and generating tar openvswitch-2.1.90.tar.gz).
>>> But I still get one error -
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/compat/include/net/sctp/checksum.h:8:22: error: redefinition of 'sctp_compute_cksum'
>>>  static inline __le32 sctp_compute_cksum(const struct sk_buff *skb.
>>>
>>> I am pasting the snippet of the log below -
>>>
>>> ln -s
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/../
>>> linux/compat/flex_array.c ln -s
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/../
>>> linux/compat/flow_dissector.c ln -s
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/../
>>> linux/compat/gre.c ln -s
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/../
>>> linux/compat/gso.c ln -s
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/../
>>> linux/compat/genetlink-openvswitch.c
>>> ln -s
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/../
>>> linux/compat/hash.c ln -s
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/../
>>> linux/compat/hash-x86.c ln -s
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/../
>>> linux/compat/ip_tunnels_core.c ln -s
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/../
>>> linux/compat/netdevice.c ln -s
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/../
>>> linux/compat/net_namespace.c ln -s
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/../
>>> linux/compat/reciprocal_div.c ln -s
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/../
>>> linux/compat/skbuff-openvswitch.c ln -s
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/../
>>> linux/compat/vxlan.c ln -s
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/../
>>> linux/compat/utils.c /usr/bin/make -C
>>> /usr/src/kernels/3.10.0-54.0.1.el7.x86_64
>>> M=/root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux
>>> modules
>>> make[1]: Entering directory `/usr/src/kernels/3.10.0-54.0.1.el7.x86_64'
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/actions.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/datapath.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/dp_notify.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/flow.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/flow_netlink.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/flow_table.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/vport.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/vport-gre.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/vport-internal_dev.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/vport-lisp.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/vport-netdev.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/vport-vxlan.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/dev-openvswitch.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/exthdrs_core.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/flex_array.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/flow_dissector.o
>>>   CC [M]  /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/gre.o
>>>   CC [M]
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/gso.o
>>> In file included from /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/actions.c:35:0:
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/compat/include/net/sctp/checksum.h:8:22: error: redefinition of 'sctp_compute_cksum'
>>>  static inline __le32 sctp_compute_cksum(const struct sk_buff *skb,
>>>                       ^
>>> In file included from /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/../datapath/linux/compat/include/net/sctp/checksum.h:5:0,
>>>                  from /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/actions.c:35:
>>> include/net/sctp/checksum.h:89:22: note: previous definition of
>>> 'sctp_compute_cksum' was here  static inline __le32 sctp_compute_cksum(const struct sk_buff *skb,
>>>                       ^
>>>   CC [M]
>>> /root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/genetl
>>> ink-openvswitch.o
>>> make[2]: ***
>>> [/root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux/actio
>>> ns.o] Error 1
>>> make[2]: *** Waiting for unfinished jobs....
>>> make[1]: ***
>>> [_module_/root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/lin
>>> ux] Error 2
>>> make[1]: Leaving directory `/usr/src/kernels/3.10.0-54.0.1.el7.x86_64'
>>> make: *** [default] Error 2
>>> make: Leaving directory `/root/rpmbuild/BUILD/openvswitch-2.1.90/_default/datapath/linux'
>>> error: Bad exit status from /var/tmp/rpm-tmp.E3vySV (%build)
>>>
>>> Thanks,
>>> Ashok
>>>
>>> -----Original Message-----
>>> From: Jesse Gross [mailto:jesse at nicira.com]
>>> Sent: Thursday, January 02, 2014 10:43 AM
>>> To: Ashok Byahatti
>>> Cc: bugs at openvswitch.org
>>> Subject: Re: [ovs-discuss] Error - build kernel module
>>> (openvswitch-2.0.0.tar.gz) on RHEL 7 Beta
>>>
>>> On Mon, Dec 30, 2013 at 1:46 PM, Ashok Byahatti <ashok.byahatti at embrane.com> wrote:
>>>> I was trying to build the Open vSwitch kernel module(using
>>>> openvswitch-2.0.0.tar.gz) on RHEL 7 Beta .
>>>>
>>>> My kernel version is 3.10.0-54.0.1.el7.x86_64 .
>>>
>>> I would recommend using master or the version of the OVS kernel module packaged with the distribution. I am not really eager to backport the necessary changes to OVS 2.0, particularly for a beta release.
>>> _______________________________________________
>>> discuss mailing list
>>> discuss at openvswitch.org
>>> http://openvswitch.org/mailman/listinfo/discuss