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#462 SV_Netchan_Transmit: unsent fragments, stacked https://www.quake3world.com/forum/viewtopic.php?f=16&t=43772 |
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Author: | nexus024 [ 06-01-2010 04:58 AM ] |
Post subject: | #462 SV_Netchan_Transmit: unsent fragments, stacked |
Hey guys I'm hoping someone here can help me figure out why I am getting the above error message. It seems to only happen at the beginning of a new map but doesn't happen all the time. |
Author: | ^misantropia^ [ 06-01-2010 06:50 AM ] |
Post subject: | Re: #462 SV_Netchan_Transmit: unsent fragments, stacked |
You have debug logging on. It's a harmless message, the only thing it signals is that the server is trying to send more data than fits in one packet. The surplus will overflow into the next packet. |
Author: | nexus024 [ 06-02-2010 10:58 AM ] |
Post subject: | Re: #462 SV_Netchan_Transmit: unsent fragments, stacked |
The problem is that I see a whole stream of these messages at the end of the log file after a server crash. Are these messages a result of the server crash and not the cause? |
Author: | ^misantropia^ [ 06-03-2010 01:03 AM ] |
Post subject: | Re: #462 SV_Netchan_Transmit: unsent fragments, stacked |
The cause? Unlikely. Where exactly does the crash happen? If unsure, tag on a debugger and post the backtrace here. |
Author: | nexus024 [ 06-04-2010 03:47 PM ] |
Post subject: | Re: #462 SV_Netchan_Transmit: unsent fragments, stacked |
Code: #0 0x0000003053630215 in raise () from /lib64/libc.so.6
#1 0x0000003053631cc0 in abort () from /lib64/libc.so.6 #2 0x0000003053629696 in __assert_fail () from /lib64/libc.so.6 #3 0x0000000000476810 in StringsMatch (pieces=0x2aaaaf9373e8, match=0x7fffffffca50) at code/botlib/be_ai_chat.c:1442 #4 0x0000000000476964 in BotFindMatch ( str=0x7fffffffcd6c "\031(Lost in your eyes\031) (Blue Upper Entrances)\031: I do not have any skills, I just team stack and then spam to groups of people to get a high score and act cool.", match=0x7fffffffca50, context=262) at code/botlib/be_ai_chat.c:1475 #5 0x000000000040c70b in SV_GameSystemCalls (args=0x7fffffffc8b0) at code/server/sv_game.c:667 #6 0x0000000000449632 in VM_DllSyscall (arg=518) at code/qcommon/vm.c:349 #7 0x00002aaaafff52ac in trap_BotFindMatch ( str=0x7fffffffcd6c "\031(Lost in your eyes\031) (Blue Upper Entrances)\031: I do not have any skills, I just team stack and then spam to groups of people to get a high score and act cool.", match=0x7fffffffca50, context=262) at code/game/g_syscalls.c:555 #8 0x00002aaaaff91301 in BotMatchMessage (bs=0x2aaab022b2e0, message=0x7fffffffcd6c "\031(Lost in your eyes\031) (Blue Upper Entrances)\031: I do not have any skills, I just team stack and then spam to groups of people to get a high score and act cool.") at code/game/ai_cmd.c:1808 #9 0x00002aaaaffa569c in BotCheckConsoleMessages (bs=0x2aaab022b2e0) ---Type <return> to continue, or q <return> to quit--- at code/game/ai_dmq3.c:4636 #10 0x00002aaaaffa66cb in BotDeathmatchAI (bs=0x2aaab022b2e0, thinktime=0.100000001) at code/game/ai_dmq3.c:5256 #11 0x00002aaaaffa99e3 in BotAI (client=8, thinktime=0.100000001) at code/game/ai_main.c:1043 #12 0x00002aaaaffaaef4 in BotAIStartFrame (time=479498) at code/game/ai_main.c:1545 #13 0x00002aaaaff859ef in vmMain (command=10, arg0=479498, arg1=11065408, arg2=0, arg3=1572864, arg4=31, arg5=-1338077360, arg6=-8784, arg7=4264202, arg8=11054473, arg9=0, arg10=0, arg11=33) at code/game/g_main.c:261 #14 0x000000000044a2d3 in VM_Call (vm=0x896ae0, callnum=10) at code/qcommon/vm.c:756 #15 0x000000000040358e in SV_BotFrame (time=479498) at code/server/sv_bot.c:439 #16 0x000000000041110a in SV_Frame (msec=1) at code/server/sv_main.c:939 #17 0x000000000042baf2 in Com_Frame () at code/qcommon/common.c:2910 #18 0x0000000000498768 in main (argc=30, argv=0x7fffffffe338) at code/sys/sys_main.c:568 |
Author: | ^misantropia^ [ 06-05-2010 02:11 AM ] |
Post subject: | Re: #462 SV_Netchan_Transmit: unsent fragments, stacked |
Code: #3 0x0000000000476810 in StringsMatch (pieces=0x2aaaaf9373e8, match=0x7fffffffca50) at code/botlib/be_ai_chat.c:1442 That's the one. And it's this assert that is failing: Code: assert( match->variables[lastvariable].offset >= 0 ); Not exactly sure why. Have you been hacking the bot code? |
Author: | nexus024 [ 06-05-2010 05:54 AM ] |
Post subject: | Re: #462 SV_Netchan_Transmit: unsent fragments, stacked |
Hmmm good question. There was one function I played with a while back. I will go back and change it to stock and see if that fixes it. Thanks ^misantropia^! |
Author: | nexus024 [ 06-23-2010 12:20 PM ] |
Post subject: | Re: #462 SV_Netchan_Transmit: unsent fragments, stacked |
Can you tell from that assert where in the code the problem might be? Is this in some particular function? |
Author: | nexus024 [ 06-23-2010 02:51 PM ] |
Post subject: | Re: #462 SV_Netchan_Transmit: unsent fragments, stacked |
Here is a new one... Code: Item: 1 weapon_rocketlauncher
UnnamedPlayer: Delta request from out of date packet. WARNING: msg overflowed for UnnamedPlayer UnnamedPlayer: Delta request from out of date packet. WARNING: msg overflowed for UnnamedPlayer UnnamedPlayer: Delta request from out of date packet. WARNING: msg overflowed for UnnamedPlayer UnnamedPlayer: Delta request from out of date packet. WARNING: msg overflowed for UnnamedPlayer UnnamedPlayer: Delta request from out of date packet. WARNING: msg overflowed for UnnamedPlayer ] Program received signal SIGSEGV, Segmentation fault. 0x080599c7 in SV_SendClientMessages () at code/server/sv_snapshot.c:681 681 if (!c->state) { #0 0x080599c7 in SV_SendClientMessages () at code/server/sv_snapshot.c:681 #1 0x00000008 in ?? () #2 0x00004000 in ?? () #3 0x00001700 in ?? () #4 0xbe2a6c00 in ?? () #5 0xa07ff4f6 in ?? () #6 0xffcf5800 in ?? () #7 0x0583cbff in ?? () #8 0x28a98008 in ?? () #9 0x00000808 in ?? () #10 0x0f182000 in ?? () #11 0x00000000 in ?? () |
Author: | ^misantropia^ [ 06-24-2010 12:11 AM ] |
Post subject: | Re: #462 SV_Netchan_Transmit: unsent fragments, stacked |
I know that bit of code, it iterates over the svs.clients array. c = svs.clients[i] and it looks like it doesn't point to a valid client_t structure (NULL or stray pointer). |
Author: | nexus024 [ 06-24-2010 10:58 AM ] |
Post subject: | Re: #462 SV_Netchan_Transmit: unsent fragments, stacked |
Can you give an example of what might be causing this? I haven't touched any of the code in sv_snapshot.c... |
Author: | ^misantropia^ [ 06-24-2010 12:17 PM ] |
Post subject: | Re: #462 SV_Netchan_Transmit: unsent fragments, stacked |
Stray pointers? When management asks, I blame it on cosmic radiation corrupting memory bits. That'll teach 'em cheap-skates to not buy ECC memory. But seriously, it's hard to say. Does this also happen in vanilla Q3? (Probably not, else I would've heard of it). If not, consider your code changes carefully - somewhere you introduced a bug. If all else fails, go back a few revisions until the problem goes away. You are using some form of source control like CVS or Subversion, right? |
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