[ovs-dev] [ovs-discuss] make check failing on 2.x

Andrey Korolyov andrey at xdel.ru
Mon Feb 10 17:39:27 UTC 2014


On 02/10/2014 11:28 AM, Andrey Korolyov wrote:
> On 02/10/2014 04:42 AM, Ben Pfaff wrote:
>> On Mon, Feb 10, 2014 at 01:42:23AM +0400, Andrey Korolyov wrote:
>>> On 02/09/2014 11:14 PM, Ben Pfaff wrote:
>>>> On Sat, Feb 08, 2014 at 05:24:16PM +0400, Andrey Korolyov wrote:
>>>>> 'ofproto - flow monitoring pause and resume' test failing continuously
>>>>> during make check on all 2.x major branches. The problem is in
>>>>> 'ovs-ofctl add-flows br0 flows.txt' execution which actually hangs a
>>>>> test switch because set count is insanely high and test execution
>>>>> actually hitting the timeout:
>>>>>
>>>>> wc -l ./tests/testsuite.dir/0613/flows.txt
>>>>> 1400833 ./tests/testsuite.dir/0613/flows.txt
>>>>>
>>>>> filled with cookie=1,reg1=[incrementing count],actions=drop
>>>>>
>>>>> Can anyone please fix this?
>>>>
>>>> We don't see the problem.  What's different about your system?
>>>>
>>>
>>> I am observing this behavior on wheezy with a couple of backports and on
>>> gentoo on my laptop. Generic wheezy passes test just fine, I will try to
>>> pin the issue and report in case of success.
>>
>> What's in /proc/sys/net/core/rmem_max?
>>
> 
> Ben, thanks for this suggestion, you saved me a couple of hours -
> non-default network memory settings led to this. Okay, and I almost
> immediately faced another issue - check passes well as long as I am not
> trying to build datapath at once, with kernel datapath 'ofproto-dpif -
> NetFlow active expiration - IPv6 collector' failing. Though it is 2.1
> still-experimental branch, I am willing to play first with it due to
> easier mechanism to fake ARP responses. Please check the attached log
> for details.
> 

That was one of intermediate releases of 3.2 kernels. After trying with
recent 3.2 and 3.10 branches looks like everything is okay.



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