Title: Message
Hum...
 

void gator( gdImagePtr gif, int x, int y){} ?
 

/* this function puts the name of the author and the tool into the
   graph. Remove if you must, but please note, that it is here,
   because I would like people who look at rrdtool generated graphs to
   see what was used to do it. No obviously you can also add a credit
   line to your webpage or printed document, this is fine with me. But
   as I have no control over this, I added the little tag in here.
*/
 
/* the fact that the text of what gets put into the graph is not
   visible in the function, has lead some to think this is for
   obfuscation reasons. While this is a nice side effect (I admit),
   it is not the prime reason. The prime reason is, that the font
   used, is so small, that I had to hand edit the characters to ensure
   readability. I could thus not use the normal gd functions to write,
   but had to embed a slightly compressed bitmap version into the code.
*/
 
THe actual failing line looks to be
 
    for(i=0; i<DIM(li); i=i+3)
        for(ii=y+li[i+1]; ii<=y+li[i+2];ii++)
>>        gdImageSetPixel(gif,x-li[i],ii,graph_col[GRC_GRID].i);
 
where:
 
rrd_tool.h:117:#define DIM(x) (sizeof(x)/sizeof(x[0]))
 
ii = 700697376
surely sounds bogus...
 
    int li[]={0,0,1, 0,4,5, 0,8,9, 0,12,14, 0,17,17, 0,21,21,
              0,24,24, 0,34,34, 0,40,42, 0,45,45, 0,48,49, 0,52,54,
              0,61,61, 0,64,66, 0,68,70, 0,72,74, 0,76,76, 0,78,78,
is what's in the code, but that's not what the gdb dump shows (which is 0,0,0, 0,0,0 ...
 
 
So, something is stomping on the data area. No clue what...
 
 
(Luca - do we need to update myrrd to a 1.2.x version?)
 
-----Burton



From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Michael Scheidell
Sent: Sunday, June 11, 2006 3:27 PM
To: [email protected]
Subject: RE: [Ntop] FBSD crash: how can I help?

[Switching to Thread 8 (LWP 100276)]
0x2968539b in ?? () from /usr/local/lib/libmyrrd-3.2.so
#0  0x2968539b in ?? () from /usr/local/lib/libmyrrd-3.2.so
No symbol table info available.
#1  0x00000059 in ?? ()
No symbol table info available.
#2  0x00000171 in ?? ()
No symbol table info available.
#3  0xbfa9da88 in ?? ()
No symbol table info available.
#4  0x29648c87 in gator (gif=0xa0d0000, x=482, y=89) at rrd_graph.c:1566
        li = {0 <repeats 21 times>, 4, -1079389800, 700559972, -1079389376,
  -1079389824, 4, 0, 0, 0, 0, 0, 700428497, 492, 0, 0, 1969, 13626,
  -1079390392, 2005, 700428497, 492, 642, 0, 1969, 13626, 2006, 2005, 13140,
  -18000, 642, 0, 0, 0, 2006, 10, -1079387824, -18000, -1079390296, 700622252,
  700680096, 700678208, -1079390280, 700427472, -1079390296, -18000,
  700678208, -1079387824, -1079390280, -1079387824, 1150059600, 700622252, 4,
  -1079390176, -1079390056, 700431182, -1079390180, 0, -1079387824, -1, 0, 0,
  2006, 0, 0, -1079390128, -1079389988, 0, 700427300, -1079387824, 1150009200,
  1150009200, 0, 0, -1079389956, 0, 700427300, -1079387824, 1150059600,
  1150059600, 0, 0, 16, 11, 5, 106, 0, 161, 0, -18000, 700685200, 161, 0, 0,
  16, 11, 5, 106, 0, 161, 0, -18000, 700685200, 700431271, -1079387824,
  700427300, 0, 700622252, -1079389956, 0, -1079390008, 700431271,
  -1079387824, 700427300, 0, -1079389956, 0, 700427300, 700427300,
  -1079387824, 2, -1079387824, -1079387880, 700431416, -1079387824, 700427300,
 0, -1079389956, 0, 0, 0, 0, 0, 0, 700427300, 1, 0 <repeats 28 times>,
  700428497, 492, 0, 0, 1969, 13626, 0, 2005, 13140, 4, 642, 0, 0, 0, 2006,
  10, -1079386920, -18000, -1079389720, 700622252, 700680096, 700678208,
  -1079389704, 700427472, -1079389720, -18000, 700678208, -1079386920,
  -1079389704, -1079386920, 1150057266, 700622252, 1, -1079389600,
  -1079389480, 700431182, -1079389604, 0, -1079386920, 10, -1079386920,
  -18000, -1079389624, 700622252, 700680096...}
        i = 0
        ii = 700697376
Previous frame identical to this frame (corrupt stack?)
No locals
(gdb)  print deviceId
No symbol table is loaded.  Use the "file" command.
(gdb) list
No symbol table is loaded.  Use the "file" command.
(gdb) info threads
  11 Thread 2 (LWP 100249)  0x299672af in ?? ()
  10 Thread 7 (sleeping)  0x2995ee91 in ?? ()
  9 Thread 6 (sleeping)  0x2995ee91 in ?? ()
  8 Thread 5 (sleeping)  0x2995ee91 in ?? ()
  7 Thread 4 (sleeping)  0x2995ee91 in ?? ()
  6 Thread 3 (runnable)  0x2995ee91 in ?? ()
  5 Thread 10 (runnable)  0x29babd0b in ?? ()
  4 Thread 9 (LWP 100129)  0x29bab46b in ?? ()
* 3 Thread 8 (LWP 100276)  0x2968539b in ?? ()
  2 Thread 1 (sleeping)  0x2995ee91 in ?? ()
 
(gdb) info stack
#0  0x2968539b in ?? ()
#1  0x00000059 in ?? ()
#2  0x00000171 in ?? ()
#3  0xbfa9da88 in ?? ()
#4  0x29648c87 in ?? ()
#5  0x0a0d0000 in ?? ()
#6  0x000001e2 in ?? ()
#7  0x00000059 in ?? ()
#8  0x00000004 in ?? ()
#9  0x29c2a5ac in ?? ()
#10 0x09935ec0 in ?? ()
#11 0x29684d60 in ?? ()
#12 0x29684d60 in ?? ()
#13 0x00000000 in ?? ()
#14 0x00000000 in ?? ()
#15 0x00000001 in ?? ()
#16 0x00000000 in ?? ()
#17 0x00000004 in ?? ()
#18 0x00000005 in ?? ()
#19 0x00000000 in ?? ()
#20 0x00000008 in ?? ()
#21 0x00000009 in ?? ()
#22 0x00000000 in ?? ()
#23 0x0000000c in ?? ()
#24 0x0000000e in ?? ()
#25 0x00000000 in ?? ()
#26 0x00000011 in ?? ()
#27 0x00000011 in ?? ()
#28 0x00000000 in ?? ()
#29 0x00000015 in ?? ()
#30 0x00000015 in ?? ()
#31 0x00000000 in ?? ()
#32 0x00000018 in ?? ()
#33 0x00000018 in ?? ()
#34 0x00000000 in ?? ()
#35 0x00000022 in ?? ()
#36 0x00000022 in ?? ()
#37 0x00000000 in ?? ()
#38 0x00000028 in ?? ()
#39 0x0000002a in ?? ()
#40 0x00000000 in ?? ()
#41 0x0000002d in ?? ()
#42 0x0000002d in ?? ()
#43 0x00000000 in ?? ()
#44 0x00000030 in ?? ()
#45 0x00000031 in ?? ()


 
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