[Nix-dev] ATI unfree status

[James Cook]

On 24 October 2012 05:46, Marc Weber <marco-oweber at gmx.de> wrote:
> Dear list & nixos users,
>
> My unfinished ati unfree patch was merged - there are still some issues
> which I described here:
>
> https://github.com/NixOS/nixos/pull/39#issuecomment-9213559
>
> quote:
>   Known bugs with ati_unfree:
>     - symlink (may be fixable)
>       I'll give this a try later.
>     - I only cared about x86_64
>     - slim does not work (it hangs when calling XDisplayOpen)
>       Don't ask me why.
>       While it hangs I can connect by setting DISPLAY using other clients.
>       So I'm fine starting wmii manually.
>     - conflicts with kernel drivers for nvidia or such.
>       Thus adding both to the supported driver list may cause trouble.
>
> The symlink you have to create (to make 3d work) is this one:
> usr/lib/dri/fglrx_dri.so -> /run/opengl-driver/lib/fglrx_dri.so
>
> If you wan to give it a try - let me know about your results.
>
> The 3d performance is *a lot* better on my system - its no possible to
> play most games. With the xorg drivers I got about 0.5 frames/sec only
> or such.
>
> So yes - there is still a lot to fix - to think about and to improve and
> to test.
>
> Anyway I've been running this ati_unfree version with kernel 3.2.28
> for more than a week without additional problems.
>
> If you like give it a try - if you have trouble make sure to paste your
> /var/log/X.0.log file when reporting your trouble - and consider trying
> to connect to the X manually even if you get a black screen - because X
> may be up and running - and only the login screen may have failed
> connecting (happens with slim)
>
> I traced that issue and found out that XOpenDisplay in slim didn't
> return. Then I didn't know how to proceed.
>
> Anyway - enjoy - it works for me - so it might work for you, too.
>
> So yes, the list of items above should be documented.
> However I'd like to wait a couple of days and for more testers until I
> provide a new patch documenting all flaws.
>
> Marc Weber

Works for me; thanks!  Even slim works for me; let me know if there's
some way I can help you debug yours.  slim.log only contains two blank
lines followed by "slim: waiting for X server to begin accepting
connections.".  X.0.log is at http://pastebin.com/naxsTA0h .

James