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Random Crashes on SWRFUSS

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Subject:	Random Crashes on SWRFUSS
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Posted by

Nick Gammon Australia (18,770 posts)

bio Forum Administrator

Date

Sat 30 Jun 2012 11:11 PM (UTC) [ quote ]

Message

http://www.gammon.com.au/gdb

- Nick Gammon

www.gammon.com.au, www.mushclient.com

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Posted by

Fiendish USA (848 posts)

bio Global Moderator

Date

Sat 30 Jun 2012 06:02 PM (UTC) [ quote ]

Amended on Sat 30 Jun 2012 06:04 PM (UTC) by Fiendish

Message

Maybe. We can't help you with that because we don't know what you're doing. This may be a good time to learn about general debugging techniques.

http://www.drpaulcarter.com/cs/debug.php#4.
http://cs.baylor.edu/~donahoo/tools/gdb/tutorial.html

http://aardwolfclientpackage.googlecode.com/

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Posted by

Jason (102 posts)

bio

Date

Mon 18 Jun 2012 10:41 PM (UTC) [ quote ]

Message

Where might i even go about looking for this issue....Maybe the Account snippet I put in?

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Posted by

Worstje Netherlands (867 posts)

bio

Date

Mon 18 Jun 2012 12:01 PM (UTC) [ quote ]

Message

Well then, that is your problem. You can't dereference null. Maybe your problem is somewhere else and it shows here, or this snippet makes wrong assumptions and that causes the crash.

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Posted by

Jason (102 posts)

bio

Date

Mon 18 Jun 2012 03:31 AM (UTC) [ quote ]

Message

0x0

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Posted by

Fiendish USA (848 posts)

bio Global Moderator

Date

Mon 18 Jun 2012 02:46 AM (UTC) [ quote ]

Message

what is d->character right before the crash?

http://aardwolfclientpackage.googlecode.com/

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Posted by Jason (102 posts) bio

Date Mon 18 Jun 2012 02:08 AM (UTC) [ quote ]

Message

ok here is what I got... and I don't get why it is crashing... The code is the same as it was on my non fuss code.

My game is crashing at this line of code


   if( fPrompt && !mud_down && d->connected == CON_PLAYING )
   {
      ch = d->original ? d->original : d->character;
[bold]      if( IS_SET( ch->act, PLR_BLANK ) )  THIS LINE HERE CRASHES[/bold]
         write_to_buffer( d, "\r\n", 2 );

      if( IS_SET( ch->act, PLR_PROMPT ) )
         display_prompt( d );
      if( IS_SET( ch->act, PLR_TELNET_GA ) )
         write_to_buffer( d, (const char *)go_ahead_str, 0 );
   }

This is the same as the non-fuss version. it seems to crash upon characters dying... or disconnecting abruptly. not really sure why.

Here is what the core file reads


(gdb) bt
#0  0x080d3ec8 in flush_buffer (d=0x9b42580, fPrompt=true) at comm.c:1186
#1  0x080d2a33 in game_loop () at comm.c:611
#2  0x080d1d15 in main (argc=5, argv=0xbfffe464) at comm.c:252
Current language:  auto; currently c++

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