On 21 Dec 2022, at 13:53, Ilya Maximets wrote:
> On 12/20/22 15:26, Eelco Chaudron wrote:
>>
>>
>> On 20 Dec 2022, at 14:39, Ilya Maximets wrote:
>>
>>> On 12/20/22 14:34, Eelco Chaudron wrote:
>>>>
>>>>
>>>> On 19 Dec 2022, at 13:20, Ilya Maximets wrote:
>>>>
>>>>> All supported versions of Fedora do package libxdp and libbpf, so it
>>>>> makes sense to enable AF_XDP support.
>>>>>
>>>>> Control files for debian packaging are much less flexible, so its hard
>>>>> to enable AF_XDP builds while not breaking builds for version of Ubuntu
>>>>> and Debian that do not package libbpf or libxdp.
>>>>>
>>>>> Signed-off-by: Ilya Maximets <[email protected]>
>>>>
>>>> Well not sure if this is true, as on my Fedora35 it seems to be broken :(
>>>>
>>>> I quickly tried it on a vagrant fedora35 instance, and the same problem.
>>>> It has the following (might be xdptools issue, but Toke is out).
>>>>
>>>> [vagrant@f35 ~]$ rpm -qa | grep -E "xdp|bpf"
>>>> libbpf-0.6.1-2.fc35.x86_64
>>>> libbpf-devel-0.6.1-2.fc35.x86_64
>>>> bpftool-5.19.4-100.fc35.x86_64
>>>> libxdp-1.2.0-2.fc35.x86_64
>>>> xdp-tools-1.2.0-2.fc35.x86_64
>>>
>>> I guess, you might have the issue similar to what Frode had,
>>> because you have an old libbpf with a new libxdp. And they
>>> are likely incompatible.
>>>
>>> FWIW, f35 is EOL, so nobody should use it. :)
>>
>> This might be a distro package issue :( Including Toke, who might know more?
>>
>> This is the link/load error:
>>
>> ovsdb-tool: symbol lookup error: /lib64/libxdp.so.1: undefined symbol:
>> silence_libbpf_logging
>
> I looked at the sources and silence_libbpf_logging() is a function
> in xdp-tools source tree. That is weird, it might be the problem
> with the build process for that package itself.
>
> One potential workaround is to not link with libxdp if we detect
> libbpf older than 0.7. Old libbpf should have all the functionality
> we actually need. I can try to implement that.
Sound like a good solution, it will also solve this for other distros in
transition ;)
>>
>>>>
>>>> //Eelco
>>>>
>>>>> ---
>>>>> rhel/openvswitch-fedora.spec.in | 4 ++--
>>>>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>>>>
>>>>> diff --git a/rhel/openvswitch-fedora.spec.in
>>>>> b/rhel/openvswitch-fedora.spec.in
>>>>> index fbfcdcf63..7676eb737 100644
>>>>> --- a/rhel/openvswitch-fedora.spec.in
>>>>> +++ b/rhel/openvswitch-fedora.spec.in
>>>>> @@ -26,8 +26,8 @@
>>>>> %bcond_without libcapng
>>>>> # To enable DPDK support, specify '--with dpdk' when building
>>>>> %bcond_with dpdk
>>>>> -# To enable AF_XDP support, specify '--with afxdp' when building
>>>>> -%bcond_with afxdp
>>>>> +# To disable AF_XDP support, specify '--without afxdp' when building
>>>>> +%bcond_without afxdp
>>>>>
>>>>> # If there is a need to automatically enable the package after
>>>>> installation,
>>>>> # specify the "--with autoenable"
>>>>> --
>>>>> 2.38.1
>>>>
>>
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