On Sat, Aug 18, 2018 at 2:57 PM, Akemi Yagi <[log in to unmask]> wrote:
> On Sat, Aug 18, 2018 at 1:56 PM, Akemi Yagi <[log in to unmask]> wrote:
>> On Thu, Aug 16, 2018 at 2:30 PM, Orion Poplawski <[log in to unmask]> wrote:
>>> With 3.10.0-862.11.6.el7 ipoib does not work.  We start to see lots of:
>>>
>>> kernel: ib0: failed to modify QP to RTR: -22
>>>
>>> messages.
>>>
>>> ifup ib0 works and assigns and IP, but ping fails.
>>>
>>> Anyone else seen this?  I've filed a bug with RedHat, but it's private at the
>>> moment.
>>
>> Yes, I learned in a private channel that the same problem was noticed
>> in kernel 3.10.0-862.11.6.el7. Its RHBZ, being a kernel bug report, is
>> also marked private (#1618956).
>>
>> Akemi
>
> And hopefully RH updates the bug status in their solution article at:
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__access.redhat.com_solutions_3568891&d=DwIBaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=Yr7-OBLFl965AnKIkzKwJqGJFzoJdOdY6fdLFRHMGHM&s=hV4reO7LwRYWQW9IfKM05hDFt7cfDkO707bd1jx0B-Y&e=
> "Infiniband card fails to initialize after kernel update in RHEL 7.5"
>
> Akemi

There is a bug report with patch candidates at bugs.centos.org :

https://urldefense.proofpoint.com/v2/url?u=https-3A__bugs.centos.org_view.php-3Fid-3D15193&d=DwIBaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=gd8BzeSQcySVxr0gDWSEbN-P-pgDXkdyCtaMqdCgPPdW1cyL5RIpaIYrCn8C5x2A&m=Yr7-OBLFl965AnKIkzKwJqGJFzoJdOdY6fdLFRHMGHM&s=H6NpYg9gx3c4wA1vzSdxxcwrF8jSpcnxgsiz3z9Vm_4&e=

Akemi