[Freeipa-devel] weird data interaction

[Petr Viktorin]

On 07/17/2014 10:31 PM, Rob Crittenden wrote:
> Saw something very weird today but my setup was also a bit odd so it may
> not be worthy of a ticket. Need a second opinion.
>
> Ok, so I wanted to test Jan's CA patches. They don't apply to current
> master due to the churn pre-4.0, so I just rewound the world to July 3
> and applied them on the master branch. I don't believe the issues I'm
> seeing are related to his patches in any way.
>
> My environment is two masters, F-20, reasonably updated.

What DS version are you using?

> Ok, so I started with them with 3.3.5 installs as I wanted to test
> upgrades. As a goof I ran the ipatests on one of them to simulate a
> bunch of work. There were some failures but I didn't pay close attention
> because testing in a replicated environment is a bit of an unknown
> (there are some timing issues IIRC). Anyway, so then I updated one of
> the masters to this pre-4.0 CA-patches build.
>
> Then I re-ran the tests. These I took more notice of as about half of
> them failed.
>
> Most of them related to adding users and this is due to the user
> objectclasses test we have. It can't revert a change:
>
> On the 4.0-ish master:
>
> # ipa config-mod --delattr ipauserobjectclasses=ipahost
> ipa: ERROR: change collided with another change

There was a DS bug that affected multi-valued attributes, that caused 
MidairCollisions like this. So this would be my first guess: 
https://fedorahosted.org/389/ticket/47806


-- 
Petr³