Re: [directfb-dev] Segmentation fault on running DirectFB-1.4.1

Mon, 28 Sep 2009 23:26:06 -0700


Not sure whats the problem, but it seems that you are using GTK_2.0.9 .  If thats the case then the first thing to be done is to upgrade to GTK 2.10.1 or greater. Also, you can just try to use DFB Ver 1.0 or 1.1 (It has been working fine with GTK 2.10.1 in Software/Hardware mode), before moving to 1.4.1. Regarding Hardware mode, you need the corresponding DFB Hardware driver for your platform.

Regards,
Siddharth
TATA Elxsi

Ajaz H wrote:

Dear All,


I am new in DirectFB.
I am working on DirectFB-1.4.1.
It is working fine in software mode and when i tried to run it in the hardware mode i got the segmentation fault. Following are the debug-trace information,


(*) DirectFB/Core/WM: Default 0.3 (directfb.org)
(!) DirectFB/FBDev: Panning display failed (x=0 y=0 ywrap=0 vbl=1)!
    --> Invalid argument
(-) [  781: -STACK- ]
sh: nm: command not found
  #0  0x298a5460 in ?? () from /usr/local/GTK_2.0.9/lib/directfb-1.4-0/systems/libdirectfb_fbdev.so [0x298a0000]
  #1  0x298a7300 in ?? () from /usr/local/GTK_2.0.9/lib/directfb-1.4-0/systems/libdirectfb_fbdev.so [0x298a0000]
  #2  0x29609d80 in set_region () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #3  0x2960b160 in realize_region () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #4  0x2960b6e0 in dfb_layer_region_flip_update () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
sh: nm: command not found
  #5  0x2d3380c0 in ?? () from /usr/local/GTK_2.0.9/lib/directfb-1.4-0/wm/libdirectfbwm_default.so [0x2d330000]
  #6  0x2d3386c0 in ?? () from /usr/local/GTK_2.0.9/lib/directfb-1.4-0/wm/libdirectfbwm_default.so [0x2d330000]
  #7  0x2d338b20 in ?? () from /usr/local/GTK_2.0.9/lib/directfb-1.4-0/wm/libdirectfbwm_default.so [0x2d330000]
  #8  0x29636c80 in dfb_wm_update_stack () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #9  0x296335e0 in dfb_windowstack_repaint_all () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #10 0x29605700 in dfb_layer_context_set_configuration () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #11 0x29605e40 in dfb_layer_context_get_primary_region () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #12 0x29592d80 in InitLayers () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #13 0x29593420 in IDirectFB_Construct () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #14 0x004005d8 in DirectFBCreate () from ./df_window [0x400000]

(!) Core/LayerRegion: realize_region() in dfb_layer_region_flip_update() failed!
    --> General failure!
(-) [  781: -STACK- ]
  #0  0x2960b6e0 in dfb_layer_region_flip_update () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #1  0x2d3380c0 in ?? () from /usr/local/GTK_2.0.9/lib/directfb-1.4-0/wm/libdirectfbwm_default.so [0x2d330000]
  #2  0x2d3386c0 in ?? () from /usr/local/GTK_2.0.9/lib/directfb-1.4-0/wm/libdirectfbwm_default.so [0x2d330000]
  #3  0x2d338b20 in ?? () from /usr/local/GTK_2.0.9/lib/directfb-1.4-0/wm/libdirectfbwm_default.so [0x2d330000]
  #4  0x29636c80 in dfb_wm_update_stack () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #5  0x296335e0 in dfb_windowstack_repaint_all () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #6  0x29605700 in dfb_layer_context_set_configuration () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #7  0x29605e40 in dfb_layer_context_get_primary_region () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #8  0x29592d80 in InitLayers () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #9  0x29593420 in IDirectFB_Construct () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #10 0x004005d8 in DirectFBCreate () from ./df_window [0x400000]

(!) [Main Thread       0.000] (  781) *** Assertion [surface->num_buffers > 0] failed *** [../../src/core/surface.h:324 in dfb_surface_get_buffer()]
(-) [  781: -STACK- ]
  #0  0x29608dc0 in dfb_surface_get_buffer () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #1  0x29609a60 in region_buffer_lock () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #2  0x29609d80 in set_region () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #3  0x2960b160 in realize_region () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #4  0x2960b6e0 in dfb_layer_region_flip_update () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #5  0x2d3380c0 in ?? () from /usr/local/GTK_2.0.9/lib/directfb-1.4-0/wm/libdirectfbwm_default.so [0x2d330000]
  #6  0x2d3386c0 in ?? () from /usr/local/GTK_2.0.9/lib/directfb-1.4-0/wm/libdirectfbwm_default.so [0x2d330000]
  #7  0x2d338b20 in ?? () from /usr/local/GTK_2.0.9/lib/directfb-1.4-0/wm/libdirectfbwm_default.so [0x2d330000]
  #8  0x29636c80 in dfb_wm_update_stack () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #9  0x296335e0 in dfb_windowstack_repaint_all () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #10 0x29633d40 in dfb_windowstack_set_background_mode () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #11 0x29592d80 in InitLayers () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #12 0x29593420 in IDirectFB_Construct () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #13 0x004005d8 in DirectFBCreate () from ./df_window [0x400000]

(!) [  781:    0.002] --> Caught signal 5 (unknown origin) <--
(-) [  781: -STACK- ]
  #0  0x2969a4a0 in signal_handler () from /usr/local/GTK_2.0.9/lib/libdirect-1.4.so.0 [0x2968c000]
  #1  0x29608dc0 in dfb_surface_get_buffer () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #2  0x29609a60 in region_buffer_lock () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #3  0x29609d80 in set_region () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #4  0x2960b160 in realize_region () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #5  0x2960b6e0 in dfb_layer_region_flip_update () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #6  0x2d3380c0 in ?? () from /usr/local/GTK_2.0.9/lib/directfb-1.4-0/wm/libdirectfbwm_default.so [0x2d330000]
  #7  0x2d3386c0 in ?? () from /usr/local/GTK_2.0.9/lib/directfb-1.4-0/wm/libdirectfbwm_default.so [0x2d330000]
  #8  0x2d338b20 in ?? () from /usr/local/GTK_2.0.9/lib/directfb-1.4-0/wm/libdirectfbwm_default.so [0x2d330000]
  #9  0x29636c80 in dfb_wm_update_stack () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #10 0x296335e0 in dfb_windowstack_repaint_all () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #11 0x29633d40 in dfb_windowstack_set_background_mode () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #12 0x29592d80 in InitLayers () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #13 0x29593420 in IDirectFB_Construct () from /usr/local/GTK_2.0.9/lib/libdirectfb-1.4.so.0 [0x29580000]
  #14 0x004005d8 in DirectFBCreate () from ./df_window [0x400000]


Could any one help me to solve this issue or please give me some hint about where should i start to resolve this.


Thanks & Regards
Lindo



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