[CF-Devel] cfclient 1.5.0 segmentation fault by window resizing

Fri May 16 10:18:46 CDT 2003

On Fri, May 16, 2003 at 12:22:07AM -0700, Mark Wedel wrote:
>

      Claudio Fontana wrote:

     >

      >Here are some details:

     >

     >

       Does it always crash when you resize the window?  Is this making the 

     >

       window bigger/smaller (taller/wider?)  What about other options like 

     >

      scrollback size and what not?

     >

     >

       Easier to fix these types of bugs if I can reproduce it locally - also 

     >

       easier to verify that it is really fixed.

     [snip]

This is unrelated, but since we're talking about cfclient bugs...  I've
consistently seen cfclient crash with Invalid GC X protocol errors. As an
ugly hack, I've added code to register an Xlib error handler so that
cfclient doesn't crash; but the result is that when these invalid GC's
start to happen, random images on the map or the inventory start to
vanish. 

It seems that somewhere, cfclient is somehow forgetting that a GC has
already been deleted (or perhaps a GC number got corrupted?), and tries to
draw a tile with an invalid GC. One observation is that when this happens,
it consistently happens to the same png image (often one frame of an
animated tile) until the tile is out of sight, whereupon it will start
happening to another tile. Also, once it starts to happen, it never goes
away, but only gets worse (more tiles start getting corrupt GC values).

Any clues on what's causing this? It's getting rather annoying since I
have to restart the client every once in a while so that I don't miss
objects that have become invisible because their image has a bad GC.

This problem happens on both the 1.5.0 release version and CVS.

T

-- 
Some days you win; most days you lose.

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