Acctually I shouldn't be using any advanced or fancy point lightning
effects unless they come turned "on" in the default preferences in the
cvs. Funny thing is: why is the driver crashing only in the bay area
scenery? I don't seem to have any night flying problems with the other
area I use (w070n10). Could it be an object? I will try removing 3D
objects around the bay area scenery and will also try going back to
freeglut 2.2 and let you know.

thanks for your help,
-E

Curtis L. Olson wrote:

> Hnmm, according to this you are crashing trying to draw the ambient
> ground light points.  That should just be a collection of simple
> points with no strange opengl calls, unless you've turned on some of
> the fancy point lighting effects.  If you have those on, you might
> want to turn them off.  Otherwise, it looks like the driver is
> crashing just drawing simple untextured/colored points ... ( ? )
>
> Curt.
>
>
> Enrique Vaamonde wrote:
>
>> Hi Curt,
>> disregard the last message, I must have screwed up somewhere...
>> anyway...here's the bt after the ATI driver errors:
>>
>> #87344 0x08418821 in ssgVtxTable::draw_geometry (this=0xecd8ba8)
>>    at ssgVtxTable.cxx:635
>> #87345 0x08417fe9 in ssgVtxTable::draw (this=0xecd8ba8) at
>> ssgVtxTable.cxx:560
>> #87346 0x08405a1b in ssgSelector::cull (this=0xebd9bb0, f=0x8dd0020,
>>    m=0xbf8d62ec, test_needed=1) at ssgSelector.cxx:73
>> #87347 0x0840feea in ssgRangeSelector::cull (this=0xebd9a98,
>> f=0x8dd0020,
>>    m=0xbf8d62ec, test_needed=1) at ssgRangeSelector.cxx:92
>> #87348 0x0840deb7 in ssgTransform::cull (this=0xebdc4d0, f=0x8dd0020,
>>    m=0x8dcffc8, test_needed=1) at ssgTransform.cxx:83
>> #87349 0x083f8230 in ssgBranch::cull (this=0xa719b18, f=0x8dd0020,
>>    m=0x8dcffc8, test_needed=1) at ssgBranch.cxx:276
>> #87350 0x083fa22b in ssgContext::cull (this=0x1bfc, r=0x0)
>>    at ssgContext.cxx:260
>> #87351 0x083f6102 in ssgCullAndDraw (r=0xa719b18) at ssg.cxx:303
>> #87352 0x08056ca8 in FGRenderer::update (refresh_camera_settings=true)
>>    at renderer.cxx:673
>> #87353 0x08054b7d in FGRenderer::update () at renderer.hxx:34
>> #87354 0x08081cc1 in GLUTdraw () at fg_os.cxx:118
>> #87355 0xb7f70884 in glutJoystickGetCenter () from /usr/lib/libglut.so.3
>> #87356 0xb7f74478 in fgEnumWindows () from /usr/lib/libglut.so.3
>> #87357 0xb7f70d6f in glutMainLoopEvent () from /usr/lib/libglut.so.3
>> #87358 0xb7f717fe in glutMainLoop () from /usr/lib/libglut.so.3
>> #87359 0x08051a82 in fgMainInit (argc=2, argv=0xbf8d6934) at
>> main.cxx:1007
>> #87360 0x08051259 in main (argc=2, argv=0xbf8d6934) at bootstrap.cxx:193
>>
>> I will try to understand this but like I mentioned before...I'm not
>> really a graphics programmer.
>> thanks for the help!
>> -E
>>
>> Curtis L. Olson wrote:
>>
>>  
>>
>>> Enrique Vaamonde wrote:
>>>
>>>   
>>>
>>>> Hi Erik,
>>>> I have tried tonight the cvs version and although I'm not suffering
>>>> the
>>>> RenderTexture problem (I use ATI's propietary binary driver - latest
>>>> version 8.19.10), I have found the following error when starting up
>>>> FG.
>>>>
>>>> RenderTexture Error: glXCreateGLXPbufferPtr() failed
>>>>
>>>> The program loads fine after that tho', however, I am still
>>>> experiencing
>>>> a segmentation fault when flying at night in the default San
>>>> Francisco area.
>>>>
>>>> It only happens at night in this area, it won't happen when flying
>>>> during the day in SF or when flying at night somewhere else (at
>>>> least in
>>>> the other scenery where I fly). When I take off (usually default
>>>> runway
>>>> 28R), I'd fly runway heading for some 15 to 30 seconds and then comes
>>>> the segmentation fault. So far, running the program inside gdb gives
>>>> little (at least to me), but I am pasting part of the output below,
>>>> just
>>>> hoping it can help anyone to track this issue:
>>>>
>>>> 0xafc361b3 in __glim_R200TCLDrawArrays ()
>>>>  from /usr/X11R6/lib/modules/dri/atiogl_a_dri.so
>>>>
>>>> #0  0xafc361b3 in __glim_R200TCLDrawArrays ()
>>>>  from /usr/X11R6/lib/modules/dri/atiogl_a_dri.so
>>>> #1  0xafc35a19 in __glim_R200TCLDrawArrays ()
>>>>  from /usr/X11R6/lib/modules/dri/atiogl_a_dri.so
>>>> #2  0xafc35a19 in __glim_R200TCLDrawArrays ()
>>>>  from /usr/X11R6/lib/modules/dri/atiogl_a_dri.so
>>>> .
>>>> .
>>>> .
>>>> <and goes on and on>
>>>>
>>>> If you or anyone need any information or additional testing please let
>>>> me know ... I will try to use the open source driver in the next few
>>>> days to see how it goes for me.
>>>>
>>>>
>>>>     
>>>
>>> The fact that the crash is inside the ati driver makes me just a
>>> little suspicious of a driver bug.
>>>
>>> What would be possibly useful is to see the lines further along in the
>>> backtrace so we can see where in the flightgear/simgear code the crash
>>> happen.
>>>
>>> Thanks,
>>>
>>> Curt.
>>>   
>>
>>
>>
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>>  
>>
>
>


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