On Wed, Nov 09, 2016 at 04:44:12PM +0100, Petr Cech wrote:
> Hi all,
> 
> I came back to ticket #3222 "sssd still showing ipa user after removed from
> last group" [1]. And I have new knowledge. But I still do not see the light
> at the end of the tunnel.
> 
> [1] https://fedorahosted.org/sssd/ticket/3222
> 
> I attached patch which enables some basic debug on using of memcache. And
> two reproducers (with and without memcache) which are based on reproducer
> written in ticket.
> 
> If we use memcache, the issue occurs only sometimes.
> 
> The difference between both cases is mixed state of switch after
> sss_nss_mc_getgrnam() call in _nss_sss_getgrnam_r() function.
> 
> Note: code says (for default case):
> /* if using the mmaped cache failed,
>  * fall back to socket based comms */
> 
> 
> Could anyone help, please?

Hi Petr,

this really seems like an issue with memory cache. I'm not an expert
there, unfortunately, so I wonder what Michal and Lukas think..
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