Micha Nelissen wrote:
(*) DirectFB/Core: Single Application Core. (2010-04-10 12:50)
(!) DirectFB/fbdev/vt: K_MEDIUMRAW failed!
    --> Operation not permitted
(!) DirectFB/Core: Could not initialize 'system_core' core!

I found it in the meantime. systems/fbdev/vt.c dfb_vt_initialize function calls setsid which removes the controlling tty (which in my case was a tty1 vt). I only do it when "vt switch" option is used:

     if (dfb_config->vt_switch)
          setsid();

I think it makes sense because only when switching to another virtual terminal for the directfb app we want to detach from our current tty; otherwise try using the current one.

Micha

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