Re: gEDA-user: [pcb] global puller

[Ben Jackson <ben@xxxxxxx>]

On Sat, Nov 24, 2007 at 09:52:26PM -0500, DJ Delorie wrote:
> 
> Ok, I added the global puller to pcb cvs.  It works "mostly"

I was wondering what it was even supposed to do, so I tried it on
a fairly complex board...

> Sometimes it goes nuts

Oh hell yes!

> and you have to Ctrl-C pcb,

It managed to just crash PCB:

#0  maybe_pull_1 (line=0xf120c538) at puller.c:2478
2478      new_lextra->start.pin = start_extra->start.pin;
(gdb) bt
#0  maybe_pull_1 (line=0xf120c538) at puller.c:2478
#1  0x080a007b in GlobalPuller (argc=879736, argv=0x270d, x=897816, y=355756)
    at puller.c:2663
#2  0x080be933 in lesstif_call_action (aname=0x9638a30 "GlobalPuller", argc=0,
    argv=0x0) at hid/lesstif/menu.c:847
#3  0x080b3c57 in hid_parse_actions (rstr=0x9638820 "GlobalPuller()",
    function=0x80be884 <lesstif_call_action>) at hid/common/actions.c:264
#4  0x080b6bb2 in command_callback (w=0x961b400, uptr=0x0, cbs=0xf120c538)
    at hid/lesstif/main.c:663
#5  0x28338db9 in XtCallCallbackList () from /usr/X11R6/lib//libXt.so.6
#6  0x282000fc in Activate () from /usr/X11R6/lib//libXm.so.3
#7  0x28365ad2 in HandleActions () from /usr/X11R6/lib//libXt.so.6
#8  0x28365f53 in HandleSimpleState () from /usr/X11R6/lib//libXt.so.6
#9  0x28366491 in _XtTranslateEvent () from /usr/X11R6/lib//libXt.so.6
#10 0x28343dad in XtDispatchEventToWidget () from /usr/X11R6/lib//libXt.so.6
#11 0x28344741 in _XtDefaultDispatcher () from /usr/X11R6/lib//libXt.so.6
#12 0x2834498e in XtDispatchEvent () from /usr/X11R6/lib//libXt.so.6
#13 0x28344dc7 in XtAppMainLoop () from /usr/X11R6/lib//libXt.so.6
#14 0x080b9704 in lesstif_do_export (options=0x0) at hid/lesstif/main.c:1907
#15 0x080874f7 in main (argc=2, argv=0xbfbff524) at main.c:1006
(gdb) p start_extra
$1 = (Extra *) 0xf120c6a4
(gdb) p *$
Cannot access memory at address 0xf120c6a4
(gdb)

(gdb) p PCB->Data->Layer[3]
$2 = {Name = 0x8318c40 "component", LineN = 10001, TextN = 2, PolygonN = 2,
  ArcN = 8216, LineMax = 20000, TextMax = 50, PolygonMax = 10, ArcMax = 9000,
  Line = 0xa53e000, Text = 0x8595000, Polygon = 0x8596000, Arc = 0x97c4000,
  line_tree = 0x8318c60, text_tree = 0x8584af0, polygon_tree = 0x8584b10,
  arc_tree = 0x9638ab0, On = 1 '\001', Color = 0x80d5819 "#cd3700",
  SelectedColor = 0x80d5598 "#00ffff"}

Hm, is it perhaps due to something that happened around LineN=10000?
So it was probably out of control anyway.

-- 
Ben Jackson AD7GD
<ben@xxxxxxx>
http://www.ben.com/


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