[SDL] SDL-2.0: Cannot create window

Tue May 15 08:35:40 PDT 2012

Can you do --track-origin=yes so we can see where the uninit'd values came
from?

On Tue, May 15, 2012 at 10:27 AM, greno <greno at verizon.net> wrote:

> **
> I took a minute and tried to trace what is happening when we try to render
> using opengl under Mesa.
>
>
>
>
>  Code:
>
>  ==3752== Command: ./testdraw2 --renderer opengl
> ==3752==
> SDL_CreateWindow called
> ==3752== Syscall param ioctl(generic) points to uninitialised byte(s)
> ==3752==    at 0x4CEE7829: ioctl (in /lib/libc-2.14.90.so)
> ==3752==    by 0x42377A63: drmIoctl (in /usr/lib/libdrm.so.2.4.0)
> ==3752==    by 0x4237A44C: drmCommandWriteRead (in
> /usr/lib/libdrm.so.2.4.0)
> ==3752==    by 0x49B63C3: nouveau_device_get_param (in
> /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==    by 0x49B64AE: nouveau_device_open_existing (in
> /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==    by 0x455882C: ??? (in /usr/lib/dri/nouveau_dri.so)
> ==3752==    by 0x42380FF3: ??? (in /usr/lib/libdrm.so.2.4.0)
> ==3752==  Address 0xbeb507b8 is on thread 1's stack
> ==3752==  Uninitialised value was created by a stack allocation
> ==3752==    at 0x49B637D: nouveau_device_get_param (in
> /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==
> ==3752== Syscall param ioctl(generic) points to uninitialised byte(s)
> ==3752==    at 0x4CEE7829: ioctl (in /lib/libc-2.14.90.so)
> ==3752==    by 0x42377A63: drmIoctl (in /usr/lib/libdrm.so.2.4.0)
> ==3752==    by 0x4237A44C: drmCommandWriteRead (in
> /usr/lib/libdrm.so.2.4.0)
> ==3752==    by 0x49B8079: nouveau_bo_wrap (in
> /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==    by 0x49B69A9: nouveau_channel_alloc (in
> /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==    by 0x45D6F0D: ??? (in /usr/lib/dri/nouveau_dri.so)
> ==3752==    by 0x4565CF4: ??? (in /usr/lib/dri/nouveau_dri.so)
> ==3752==    by 0x45588DE: ??? (in /usr/lib/dri/nouveau_dri.so)
> ==3752==    by 0x42380FF3: ??? (in /usr/lib/libdrm.so.2.4.0)
> ==3752==  Address 0xbeb506cc is on thread 1's stack
> ==3752==  Uninitialised value was created by a stack allocation
> ==3752==    at 0x49B7FE0: nouveau_bo_wrap (in
> /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==
> ==3752== Syscall param ioctl(generic) points to uninitialised byte(s)
> ==3752==    at 0x4CEE7829: ioctl (in /lib/libc-2.14.90.so)
> ==3752==    by 0x42377A63: drmIoctl (in /usr/lib/libdrm.so.2.4.0)
> ==3752==    by 0x4237A44C: drmCommandWriteRead (in
> /usr/lib/libdrm.so.2.4.0)
> ==3752==    by 0x49B6CC9: nouveau_pushbuf_init (in
> /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==    by 0x49B6A4C: nouveau_channel_alloc (in
> /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==    by 0x45D6F0D: ??? (in /usr/lib/dri/nouveau_dri.so)
> ==3752==    by 0x4565CF4: ??? (in /usr/lib/dri/nouveau_dri.so)
> ==3752==    by 0x45588DE: ??? (in /usr/lib/dri/nouveau_dri.so)
> ==3752==    by 0x42380FF3: ??? (in /usr/lib/libdrm.so.2.4.0)
> ==3752==  Address 0xbeb506b4 is on thread 1's stack
> ==3752==  Uninitialised value was created by a stack allocation
> ==3752==    at 0x49B6C7F: nouveau_pushbuf_init (in
> /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==
> ==3752== Syscall param ioctl(generic) points to uninitialised byte(s)
> ==3752==    at 0x4CEE7829: ioctl (in /lib/libc-2.14.90.so)
> ==3752==    by 0x42377A63: drmIoctl (in /usr/lib/libdrm.so.2.4.0)
> ==3752==    by 0x4237A44C: drmCommandWriteRead (in
> /usr/lib/libdrm.so.2.4.0)
> ==3752==    by 0x49B7AAD: ??? (in /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==    by 0x49B7EDE: nouveau_bo_new_tile (in
> /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==    by 0x49B7F5B: nouveau_bo_new (in
> /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==    by 0x49B6D1A: nouveau_pushbuf_init (in
> /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==    by 0x49B6A4C: nouveau_channel_alloc (in
> /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==    by 0x45D6F0D: ??? (in /usr/lib/dri/nouveau_dri.so)
> ==3752==    by 0x4565CF4: ??? (in /usr/lib/dri/nouveau_dri.so)
> ==3752==    by 0x45588DE: ??? (in /usr/lib/dri/nouveau_dri.so)
> ==3752==    by 0x42380FF3: ??? (in /usr/lib/libdrm.so.2.4.0)
> ==3752==  Address 0xbeb505c0 is on thread 1's stack
> ==3752==  Uninitialised value was created by a stack allocation
> ==3752==    at 0x49B79FF: ??? (in /usr/lib/libdrm_nouveau.so.1.0.0)
> ==3752==
> SDL_CreateWindow called
> ==3752== Syscall param writev(vector[...]) points to uninitialised byte(s)
> ==3752==    at 0x4CEE794E: writev (in /lib/libc-2.14.90.so)
> ==3752==    by 0x40D200D: X11_GL_GetVisual (SDL_x11opengl.c:427)
> ==3752==    by 0x40CB4C3: XCreateWindow (SDL_x11sym.h:37)
> ==3752==    by 0x40D4EFF: X11_CreateWindow (SDL_x11window.c:480)
> ==3752==    by 0x40C7255: SDL_CreateWindow (SDL_video.c:1204)
> ==3752==    by 0x804B7E5: CommonInit (common.c:730)
> ==3752==    by 0x80497F3: main (testdraw2.c:228)
> ==3752==  Address 0x4173bb3 is 35 bytes inside a block of size 16,384
> alloc'd
> ==3752==    at 0x4006467: calloc (vg_replace_malloc.c:467)
> ==3752==    by 0x41C1B971: XOpenDisplay (in /usr/lib/libX11.so.6.3.0)
> ==3752==    by 0x40CBDFB: XOpenDisplay (SDL_x11sym.h:77)
> ==3752==    by 0x40D3EFF: X11_CreateDevice (SDL_x11video.c:162)
> ==3752==    by 0x40C6FA6: SDL_VideoInit (SDL_video.c:457)
> ==3752==    by 0x804B531: CommonInit (common.c:583)
> ==3752==    by 0x4CE156B2: (below main) (in /lib/libc-2.14.90.so)
> ==3752==  Uninitialised value was created by a stack allocation
> ==3752==    at 0x41C27A1F: XStoreColors (in /usr/lib/libX11.so.6.3.0)
> ==3752==
> ==3752== Syscall param writev(vector[...]) points to uninitialised byte(s)
> ==3752==    at 0x4CEE794E: writev (in /lib/libc-2.14.90.so)
> ==3752==  Address 0x4173bd7 is 71 bytes inside a block of size 16,384
> alloc'd
> ==3752==    at 0x4006467: calloc (vg_replace_malloc.c:467)
> ==3752==    by 0x41C1B971: XOpenDisplay (in /usr/lib/libX11.so.6.3.0)
> ==3752==    by 0x40CBDFB: XOpenDisplay (SDL_x11sym.h:77)
> ==3752==    by 0x40D3EFF: X11_CreateDevice (SDL_x11video.c:162)
> ==3752==    by 0x40C6FA6: SDL_VideoInit (SDL_video.c:457)
> ==3752==    by 0x804B531: CommonInit (common.c:583)
> ==3752==    by 0x4CE156B2: (below main) (in /lib/libc-2.14.90.so)
> ==3752==  Uninitialised value was created by a stack allocation
> ==3752==    at 0x41C27A1F: XStoreColors (in /usr/lib/libX11.so.6.3.0)
> ==3752==
> ==3752== Syscall param writev(vector[...]) points to uninitialised byte(s)
> ==3752==    at 0x4CEE794E: writev (in /lib/libc-2.14.90.so)
> ==3752==    by 0x4222B9F: ???
> ==3752==  Address 0x4173bd7 is 71 bytes inside a block of size 16,384
> alloc'd
> ==3752==    at 0x4006467: calloc (vg_replace_malloc.c:467)
> ==3752==    by 0x41C1B971: XOpenDisplay (in /usr/lib/libX11.so.6.3.0)
> ==3752==    by 0x40CBDFB: XOpenDisplay (SDL_x11sym.h:77)
> ==3752==    by 0x40D3EFF: X11_CreateDevice (SDL_x11video.c:162)
> ==3752==    by 0x40C6FA6: SDL_VideoInit (SDL_video.c:457)
> ==3752==    by 0x804B531: CommonInit (common.c:583)
> ==3752==    by 0x4CE156B2: (below main) (in /lib/libc-2.14.90.so)
> ==3752==  Uninitialised value was created by a stack allocation
> ==3752==    at 0x41C27A1F: XStoreColors (in /usr/lib/libX11.so.6.3.0)
> ==3752==
> ==3752== Syscall param writev(vector[...]) points to uninitialised byte(s)
> ==3752==    at 0x4CEE794E: writev (in /lib/libc-2.14.90.so)
> ==3752==    by 0x5: ???
> ==3752==  Address 0x4173bb3 is 35 bytes inside a block of size 16,384
> alloc'd
> ==3752==    at 0x4006467: calloc (vg_replace_malloc.c:467)
> ==3752==    by 0x41C1B971: XOpenDisplay (in /usr/lib/libX11.so.6.3.0)
> ==3752==    by 0x40CBDFB: XOpenDisplay (SDL_x11sym.h:77)
> ==3752==    by 0x40D3EFF: X11_CreateDevice (SDL_x11video.c:162)
> ==3752==    by 0x40C6FA6: SDL_VideoInit (SDL_video.c:457)
> ==3752==    by 0x804B531: CommonInit (common.c:583)
> ==3752==    by 0x4CE156B2: (below main) (in /lib/libc-2.14.90.so)
> ==3752==  Uninitialised value was created by a stack allocation
> ==3752==    at 0x41C27A1F: XStoreColors (in /usr/lib/libX11.so.6.3.0)
> ==3752==
> ==3752== Syscall param writev(vector[...]) points to uninitialised byte(s)
> ==3752==    at 0x4CEE794E: writev (in /lib/libc-2.14.90.so)
> ==3752==    by 0x422739F: ???
> ==3752==  Address 0x4173bd7 is 71 bytes inside a block of size 16,384
> alloc'd
> ==3752==    at 0x4006467: calloc (vg_replace_malloc.c:467)
> ==3752==    by 0x41C1B971: XOpenDisplay (in /usr/lib/libX11.so.6.3.0)
> ==3752==    by 0x40CBDFB: XOpenDisplay (SDL_x11sym.h:77)
> ==3752==    by 0x40D3EFF: X11_CreateDevice (SDL_x11video.c:162)
> ==3752==    by 0x40C6FA6: SDL_VideoInit (SDL_video.c:457)
> ==3752==    by 0x804B531: CommonInit (common.c:583)
> ==3752==    by 0x4CE156B2: (below main) (in /lib/libc-2.14.90.so)
> ==3752==  Uninitialised value was created by a stack allocation
> ==3752==    at 0x41C27A1F: XStoreColors (in /usr/lib/libX11.so.6.3.0)
> ==3752==
> Couldn't create renderer:
> ==3752==
> ==3752== HEAP SUMMARY:
> ==3752==     in use at exit: 233,606 bytes in 831 blocks
> ==3752==   total heap usage: 6,147 allocs, 5,316 frees, 670,782 bytes
> allocated
> ==3752==
> ==3752== LEAK SUMMARY:
> ==3752==    definitely lost: 420 bytes in 7 blocks
> ==3752==    indirectly lost: 101,255 bytes in 147 blocks
> ==3752==      possibly lost: 0 bytes in 0 blocks
> ==3752==    still reachable: 131,931 bytes in 677 blocks
> ==3752==         suppressed: 0 bytes in 0 blocks
> ==3752== Rerun with --leak-check=full to see details of leaked memory
> ==3752==
> ==3752== For counts of detected and suppressed errors, rerun with: -v
> ==3752== ERROR SUMMARY: 16 errors from 9 contexts (suppressed: 0 from 0)
>
>
>
> And it looks like SDL keeps calling the same code over and over until it
> fails.
>
> .
>
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> SDL at lists.libsdl.org
> http://lists.libsdl.org/listinfo.cgi/sdl-libsdl.org
>
>
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