[oi-dev] Please, review vnc work

[Andreas Wacknitz]

Hi Alexander,

As I already wrote on irc today: After installing the Hipster update of today I wasn’t able to log in anymore.
I simply got back to the login screen after a couple of seconds.
I went back to the backup BE.

Regards,
Andreas

Am 03.05.2014 um 01:05 schrieb Alexander Pyhalov <alp at rsu.ru>:

> Hello.
> 
> Last week I worked on rebuilding Xvnc. This is neccessary, because it depends on perl 5.10 (vncserver script is written in perl).
> I've updated it to the last version (1.1.0) from Oracle XNV (x-s12-clone) gate.
> The vnc itself is tigervnc, which consists from vnc modules and patches to X server, which is built and delivered as Xvnc.
> So, I created separate components/x11/xorg-server  component. It's not a full component, just a helper component to patch Xorg to the state which we have in OI XNV gate.
> These sources are patched further with vnc patch (components/x11/tigervnc/patches/tigervnc-xserver17.patch) and used to build Xvnc.
> I think in the future when we have to rebuild Xorg itself, this component (x11/xorg-server) can be promoted to the full component.
> 
> One unfortunate issue - I couldn't make Xvnc work with any gcc optimization turned on. Vnc server fails to add vnc display if I turn on even just "-O". So, optimization is turned off.
> Side note: working xvnc component can be compiled with Studio (just set COMPILER to Studio) with "-x04". Don't know, why this issue arises.
> 
> I had to create gdm and libXdmcp components to debug strange issue with XDMCP server. By default svc:/application/x11/xvnc-inetd:default connects to local XDMCP server
> (served by gdm). And this XDMCP server just doesn't work on recent illumos if gdm is compiled with ipv6 support (and out gdm from JDS is). It is caused by https://illumos.org/issues/4838 .
> Dan McDonald has already created a working fix for this issue. I think we'll see it in illumos-gate soon.
> 
> So, please, review
> https://github.com/pyhalov/oi-userland/compare/oi;hipster
> 
> 
> -- 
> System Administrator of Southern Federal University Computer Center
> 
> 
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