[LightDM] SwitchToGreeter vs. LogIn

[poma]

On 12.07.2016 19:55, poma wrote:
> On 02.07.2016 17:11, poma wrote:
>>
>> Guys, do not hesitate to comment if you can help.
>>
>> In a nutshell, once spawn - SwitchToGreeter breaks LogIn.
>> So far this happens with GPU driven by Nouveau
>> and
>> LightDM >= 1.18.2
>>
>> More specifically, breakage starts with:
>> https://bazaar.launchpad.net/~lightdm-team/lightdm/1.18/revision/2319
>>
>> If you are going to test, whether it's working or not,
>> besides the test result, please also provide the following command output:
>>
>> lspci -knn -d ::300
>>
>>
>> Test compilation:
>> http://goo.gl/Gm4ffO
>> iso/
>>
>> How to test:
>> 0. Boot System
>> 1. Logi In
>> 2. Switch User
>> 3. Unlock
>> 4. Log Out
>> 5. Log In ?
>>
>> Ref.
>> https://bugs.freedesktop.org/show_bug.cgi?id=96737
>>
>>
> 
> 
> The same issue is with LightDM 1.19.3
> 
> Tests building results and logs can be found here:
> http://goo.gl/Gm4ffO
> greeter/
> 
> 
> p.s.
> 
> I found this during testing,
> Log In a session -is- possible, -but- aided with manual VTs switching,
> 
> - 1st Log In after SwitchToUser caused breakage needs Ctrl+Alt+F2
> - 2nd needs Ctrl+Alt+F1
> - 3rd again Ctrl+Alt+F2
> - etc.
> 
> back and forth, in between VTNr=2 and VTNr=1
> 
> It is as if sessions is waiting at the wrong VT number.
> 
> 

Actual lightdm logs can be found here:
http://goo.gl/Gm4ffO
greeter/