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Subject review (reverse sequence)

Posted by Nick Gammon   Australia  (18,770 posts)  [Biography] bio   Forum Administrator
Date Sat 29 Oct 2005 11:01 PM (UTC)  [ quote  ]
Message

Debugging - if you have problems with program crashes (access violation, segmentation fault etc.) try looking at the postings about debugging with gdb for some hints on using the GNU debugger.

- Nick Gammon

www.gammon.com.au, www.mushclient.com
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Posted by Samson   USA  (683 posts)  [Biography] bio
Date Sat 29 Oct 2005 10:51 PM (UTC)  [ quote  ]
Message
That stack is blown, the code path it claims to have gone through cannot happen. Delete the core, run the mud again, and debug it when it crashes the next time. Don't make any code changes in between so you can isolate this properly.
SmaugMuds.org: http://www.smaugmuds.org - The Smaug MUDs Community Center

"The past was erased, the erasure was forgotten, the lie became truth." -- George Orwell, 1984
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Posted by Gorock   (149 posts)  [Biography] bio
Date Sat 29 Oct 2005 10:24 PM (UTC)  [ quote  ]
Message
what i mean is that some of the things were were talking about i did not see
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Posted by Zeno   USA  (2,867 posts)  [Biography] bio   Moderator
Date Sat 29 Oct 2005 09:15 PM (UTC)  [ quote  ]
Message
Why not? It should "fit" fine.
Zeno McDohl,
Owner of Bleached InuYasha Galaxy
http://www.biyg.org
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Posted by Gorock   (149 posts)  [Biography] bio
Date Sat 29 Oct 2005 06:58 PM (UTC)  [ quote  ]
Message
im using smaug fuss it should be able to be used if not im not sure how to know i read the gdb manual but it did not seem to fit my mud
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Posted by Zeno   USA  (2,867 posts)  [Biography] bio   Moderator
Date Sat 29 Oct 2005 05:54 PM (UTC)  [ quote  ]
Message
Are you sure the MUD is setup correctly for gdb? The first two stacks are missing. They shouldn't be.
Zeno McDohl,
Owner of Bleached InuYasha Galaxy
http://www.biyg.org
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Posted by Gorock   (149 posts)  [Biography] bio
Date Sat 29 Oct 2005 05:27 PM (UTC)  [ quote  ]
Message
ok i ran gdb and here is where i got too

#0 0x400b3d61 in ?? ()
#1 0x400b3fa4 in ?? ()
#2 0x0806142b in do_whisper (ch=0x80c8f08, argument=0x80c54e8 "\001")
at act_comm.c:1078
#3 0x08061394 in do_whisper (ch=0x0,
argument=0x1f2f <Address 0x1f2f out of bounds>) at act_comm.c:1061
#4 0x08063440 in do_repeat (ch=0x80c54e8,
argument=0xffffffff <Address 0xffffffff out of bounds>) at act_comm.c:1630
#5 0x080635ab in do_emote (ch=0x80c9f28,
argument=0xffffffff <Address 0xffffffff out of bounds>) at act_comm.c:1683
#6 0x0804c964 in imc_write_packet (p=0x1) at imc.c:1539
#7 0x0804ad46 in imc_delete_info () at imc.c:801
#8 0x4009fbb4 in ?? ()


now i went into act_comm.c and here is line 1078

if( !IS_SET( ch->in_room->room_flags, ROOM_SILENCE ) )

but i have no idea what gdb is talking about any help on learning to read what gdb is saying
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