[ovs-discuss] Fedora 25+ with OVS kernel trainted?

Tonghao Zhang xiangxia.m.yue at gmail.com
Mon Aug 14 01:09:30 UTC 2017


Hi
This bug has been fixed in 4.11, 4.12 and 4.13 kernel version.
and if you don't use the UFO, you can disable it.

https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=8d63bee643f1fb53e472f0e135cae4eb99d62d19


On Sat, Aug 5, 2017 at 12:24 AM, Timothy M. Redaelli
<tredaelli at redhat.com> wrote:
> On 07/31/2017 06:01 PM, Ziemowit Pierzycki wrote:
>> Hi,
>>
>> I have a hypervisor with Fedora 25 on a few machines and ever since
>> upgrading I started getting occasional messages:
> [...]
>> I noticed it's happening with Fedora 26 too.  I'm using kernel
>> 4.11.12-200.fc25.x86_64 in this particular example.   I'm using OVS
>> 2.5.0-4.  Am I supposed to turn off GSO everywhere?  I thought it was
>> supposed to automatic.  Thanks,
>
> Hi,
> you can try to disable only UFO (ethtool -i dev ufo off) since it'll be
> disabled in upstream kernel [1]
>
> [1]:
> https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?id=5c3c6081b246b05ee5bb2fc1759a7c0c6a0b7c3b
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