Re: [gtk-list] random crashes (my code)
- From: "Jason A. Pfeil" <pfeil nu cs fsu edu>
- To: gtk-list redhat com
- Subject: Re: [gtk-list] random crashes (my code)
- Date: Thu, 17 Sep 1998 12:37:14 -0400 (EDT)
A problem in malloc usually means you have a pointer problem. You may be
passing an invalid or uninitialized pointer to a function. A code snippet
where you are creating the pixmap would be helpful, since that is what
leads to the segfault.
--Jason
On Thu, 17 Sep 1998, Travis Loyd wrote:
> Problem signs:
> My program will run longer sometimes than others, always dying at the
> same place but there doesn't appear to be a reason why. At the point
> where a pixmap is created. (which succeeds 0-20 times unpredictably)
>
> Questions:
> 1) Sometimes when i move a certain window my program will crash when i let
> go of the mouse... there a common theme amoung that type of problem?
>
> 2) What does this message imply? I only get it some of the time, usually
> shortly before the program crashes.
> "** WARNING **: invalid cast from `(unknown)' to `GtkObject'"
>
> gdb dump (may look familiar)
> ---------------------------------------------------------------------
> Program received signal SIGSEGV, Segmentation fault.
> 0x8076288 in malloc ()
> (gdb) where
> #0 0x8076288 in malloc ()
> #1 0x400d53f6 in g_malloc (size=300) at gmem.c:124
> #2 0x400c833f in gdk_pixmap_colormap_create_from_xpm_d (window=0x8111530,
> colormap=0x80edf98,
> mask=0xbfffe2b4, transparent_color=0x80f879c, data=0x80cbcf4) at
> gdkpixmap.c:605
> #3 0x400c8748 in gdk_pixmap_create_from_xpm_d (window=0x8111530,
> mask=0xbfffe2b4,
> transparent_color=0x80f879c, data=0x80cbcf4) at gdkpixmap.c:732
> #4 0x804c617 in showDeal (mother=0xbfffefa0, cards=0xbfffe710 "430") at
> parseTake.c:366
> ---------------------------------------------------------------------
> I'm not out of memory so I don't know why I'd be having a problem in
> malloc.
>
>
> Travis Loyd
> [email: lelandg@usa.net ]
> [other: s201635@mail.nwmissouri.edu ]
> [ pgp: send email with subject: sendmepgp ]
>
> --
> To unsubscribe: mail -s unsubscribe gtk-list-request@redhat.com < /dev/null
>
>
-------------------------------------------------------------------------------
Jason A. Pfeil, Computer Science Graduate Student 101 Carothers Hall
http://www.cs.fsu.edu/~pfeil C3527 University Center
pfeil@cs.fsu.edu (850)644-8014
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