individual queue blocking entire rx unit on ixgbe (Re: How do I balance bandwidth over several virtual NICs?)

[Adrian Chadd]

On 1 October 2014 16:53, Luigi Rizzo <rizzo at iet.unipi.it> wrote:
> On Wed, Oct 01, 2014 at 04:47:32PM -0700, Adrian Chadd wrote:
>> On 1 October 2014 16:49, Luigi Rizzo <rizzo at iet.unipi.it> wrote:
>> > On Wed, Oct 01, 2014 at 04:42:58PM -0700, Adrian Chadd wrote:
>> >> Yeah, just grab the diffs that I committed to ixgbe and try it out.
>> >>
>> >> The flowdirector initialisation is buggy. :)
>> >
>> > ok but i don't think it is related, see my previous email.
>>
>> I saw - but the verisign people also saw queue stalls as well.
>>
>> So is setting DROP_EN unconditionally fixing it for you?
>
> yes so it seems.

Interesting. That's a pretty small window to get it wrong in.

Would you file a PR about it? We'll try to get this fixed soon.

(Same for igb..)

Thanks!



-a