Gerry,
You could also use DirectFB's X11 system module, so that you can run
DirectFB-based applications in a usual X11 window. You can tell
DirectFB so by using the DFBARGS environment variable:
$ export DFBARGS="system=x11,mode=1280x800"
(probably also w/ disable-module=gl)
$./<your_directfb_application>
Nicolas Chauvet is now upstreaming changes for Fedora to directfb-dev ML.
-Ilyes
On Wed, Aug 29, 2012 at 8:29 PM, Gerry Reno <greno(a)verizon.net> wrote:
On 08/29/2012 02:33 PM, Tom Callaway wrote:
> On 08/29/2012 09:25 AM, Gerry Reno wrote:
>
>> DirectFB says that there are Fedora packaging errors which are causing the
undefined symbol on XUnlockDisplay and
>> inability to run as normal user.
> Upstream is wrong, btw.
>
> The dlopen problem is caused by the fact that they don't pass the
> $(X11VDPAU_LIBS) to the LDFLAGS for linking libdirectfb_vdpau.la.
>
> The core issue behind why dfbinfo doesn't run as a "normal" user is
due
> to the fact that the Linux kernel requires CAP_SYS_TTY_CONFIG to do any
> TTY ioctl() calls. UID 0 (root) has that, but normal users do not. It is
> possible to give a binary that capability using the "setcap" command.
>
> The missing udev rules also factor into this, I suspect.
>
> Last but not least, I believe a normal user needs to be in at least the
> "tty" and "video" groups. (and they need to be active, as
reported by
> `groups`). Since there is no real way to handle this in the package, it
> just needs to be done by any user who wants to use dfbinfo:
>
> usermod -a -G tty video USERNAME
>
> I made an updated package (1.6.1) that has these fixes applied and sets
> the CAP_SYS_TTY_CONFIG capability to the dfbinfo binary. (Other DirectFB
> binaries probably need the same magic, but as I am not a DirectFB user,
> I can't really say which ones.)
>
> Please note that I could only get the dfbinfo results as an unprivileged
> user from the console (not from within X), and those results are not
> identical to what I get when I run it as root. When I tried to run it
> from X, my X session crashed and the kernel panicked. Good times. :)
>
> Anyways, Gerry, please test and let me know if these packages work for
> you, and once I hear back, I'll push out updates.
>
>
http://koji.fedoraproject.org/koji/taskinfo?taskID=4435408
>
> ~tom
>
> ==
> Fedora Project
>
Thanks Tom.
I'll try to check your updates later today and report back.
Gerry
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