Hi,

are using any HW acceleration?
 if yes could you disable it by adding "no-hardware".

regards.


On Mon, Apr 13, 2009 at 7:33 PM, Mark Hood <h...@aplixcorp.com> wrote:

>  Thanks for the help!
>
> Unfortunately using "desktop-buffer-mode=frontonly" still provokes the
> "panning buffer out of range" error and the same example programs that were
> failing continue to fail with the signal 11 "invalid permissions", in the
> dfb_gfxcard_blit() function just after dfb_surface_pool_lock(), while trying
> to blit a 640x480 surface.
>
> Do you think we can assume that the panning / double buffering issue is
> probably not relevant?
>
> Thanks -- Mark
>
>  On Apr 11, 2009, at 2:06 AM, haithem rahmani wrote:
>
>  Hi,
>
> but first, could you disable the double buffering and retry?
>
> add "desktop-buffer-mode=frontonly" in the directfbrc file
>
> regards.
> On Fri, Apr 10, 2009 at 7:02 PM, Mark Hood <h...@aplixcorp.com> wrote:
>
>> One thing I noticed after posting this article is that it seems that the
>> affected programs are ones that use double-buffered flip calls.  When
>> flipping the region using the driver, DirectFB/FBDev prints a message:
>>
>> (!) DirectFB/FBDev: yres 480, vyres 480, offset 480
>>  (!?!)  *** BUG [panning buffer out of range] *** [fbdev.c:1561 in
>> dfb_fbdev_pan()]
>>
>> What is supposed to happen when panning isn't supported for double
>> buffering?  Does the application program need to be modified, or is there a
>> way to force panning support?
>>
>> Thanks -- Mark
>>
>> On Apr 9, 2009, at 7:28 PM, Mark Hood wrote:
>>
>>> I've built DirectFB 1.3.1 from the git repo on a BeagleBoard running
>>> Angstrom, along with the directfb example programs.  Many of these programs
>>> run fine (df_dok, df_window, df_particle...) but a few of them (df_andi,
>>> df_neo...) die with:
>>>
>>> "Caught signal 11 (at 0x40c68000, invalid permissions)"
>>>
>>> before any graphics is displayed, right after fbdevLock() and
>>> dfb_surface_pool_lock() are called.
>>>
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>> directfb-dev@directfb.org
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>>
>
>
>
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