On Dec 11, 2007 5:09 AM, Denis Oliver Kropp <[EMAIL PROTECTED]> wrote:
> Suzuki K P wrote:
> > Hi,
> >
> > I could see the below messages as well in another crash:
> >
> >
> > (-) [Main Thread 7.293] (22412) IDirectFBSurfaceW:
> > IDirectFBSurface_Window_Release( 0x8c17c00 )
> > (-) [Main Thread 7.331] (22412) IDirectFBSurfaceW:
> > IDirectFBSurface_Window_Destruct( 0x8c17c00 )
> > (!) [Main Thread 7.331] (22412) *** Assertion [((FusionObject*)
> > object)->magic == D_MAGIC("FusionObject")] failed ***
> > [../../src/core/windows.h:83
> > in dfb_window_unref()]
> >
> > There seems to be stray pointer which is corrupting the memory area.
>
> It could also be a ref counting problem. Do you get an I/O error instead if
> you comment out the D_ASSERT
> in lib/fusion/object.h ?
>
I have started a build for the same.
>
> >> Backtrace:
> >> /home/suzie/lib/libfusion-1.0.so.0(_fusion_fd+0x1e)[0x37f32e]
> >> /home/suzie/lib/libfusion-1.0.so.0(fusion_ref_down+0x37)[0x389917]
> >> /home/suzie/lib/libdirectfb-1.0.so.0(dfb_window_unref+0x5e)[0x507053]
> >> /home/suzie/lib/libdirectfb-1.0.so.0(IDirectFBSurface_Window_Destruct+0x1c)[0x50710c]
> >> /home/suzie/lib/libdirectfb-1.0.so.0(IDirectFBSurface_Window_Release+0xad)[0x5071fd]
> >> /home/suzie/lib/libgdk-directfb-2.0.so.0(_gdk_directfb_move_resize_child+0xd3)[0x25c0f3]
> >> /home/suzie/lib/libgdk-directfb-2.0.so.0(dfb_events_process_window_event+0x809)[0x2513a9]
> >> /home/suzie/lib/libgdk-directfb-2.0.so.0(dfb_events_io_func+0xad)[0x25184d]
> >> /home/suzie/lib/libglib-2.0.so.0(g_io_unix_dispatch+4d)[0x64823d]
> >> /home/suzie/lib/libglib-2.0.so.0(g_main_context_dispatch+0x17c)[0x618c0c]
> >> /home/suzie/lib/libglib-2.0.so.0 (g_main_context_iterate+0x3ef)[0x61c03f]
> >> /home/suzie/lib/libglib-2.0.so.0(g_main_loop_run+0x1a9)[0x61c3e9]
> >> /home/suzie/lib/libgtk-directfb-2.0.so.0(gtk_main+0xb4)[0x8e2944]
> >> /home/suzie/lib/scim-1.0/scim-panel-gtk[0x805dac9]
> >> /lib/libc.so.6(__libc_start_main+0xe0)[0xdf0f70]
> >> /home/suzie/lib/scim-1.0/scim-panel-gtk(__gxx_personality_v0+0x305)[0x804e511]
> >>
> >>
> >> By the way, I tried different combinations with multi core support enabled.
> >>
> >> directfb-1.0.0 + gtk-2.12 (linux-fusion 3.2.4/3.2.2)
> >> directfb-1.1.0 + gtk-2.12/gtk+-2.10.13 (linux-fusion 7.0.3)
> >>
> >>
> >> Everything ends up in the same crash. The log is attached with this mail.
> >>
> >> It looks like we are crashing :at : lib/fusion/fusion.c:
> >> int
> >> _fusion_fd( const FusionWorldShared *shared )
> >> {
> >> int index;
> >> FusionWorld *world;
> >>
> >> D_MAGIC_ASSERT( shared, FusionWorldShared );
> >>
> >> with "shared" being a corrupted pointer. (0x20000000)
>
> 0x20000000 is fine, but to make sure there are no collisions with
> other mappings on your architecture, please send the output of
> "cat /proc/self/maps".
>
The stack trace as well as the maps is attached below :
> --
> Best regards,
> Denis Oliver Kropp
>
> .------------------------------------------.
> | DirectFB - Hardware accelerated graphics |
> | http://www.directfb.org/ |
> "------------------------------------------"
>
fusion-debug.txt.gz
Description: GNU Zip compressed data
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