tst-ttyname failure

[Adhemerval Zanella]

On 23/11/2017 10:27, Florian Weimer wrote:
> On 11/23/2017 01:22 PM, Adhemerval Zanella wrote:
>> I noted, at least on my environment, it requires running as a more privileged user
>> to avoid the above failure. Is it the expected behaviour? Should we move it to
>> xcheck and add the a possible requirement [1]?
> 
> There might be a magic incantation which makes this work with kernel 4.4 in this particular configuration.  Can you use kernel tracing to figure out where the EINVAL error comes from?
I will debug this a little more today.