Dave, The core dumps are mostly useless, I can't get gdb to load the symbols at all and it just complains about invalid addresses. My kernel logs a stream of messages when I start the server though, for example:
Oct 29 14:03:12 yuna kernel: [4204278.388117] srcds_linux[4377]: segfault at 297c2e7f ip f63862f0 sp fff3e500 error 4 in vphysics_linux.so[f61a5000+47e000] Oct 29 14:03:12 yuna kernel: [4204278.443767] srcds_linux[4368]: segfault at 990a160 ip f63a87c0 sp fff3e600 error 4 srcds_linux[4373]: segfault at c19bb84b ip f6138011 sp fff3e410 error 4 in datacache_linux.so[f60dc000+bb000] Oct 29 14:03:12 yuna kernel: [4204278.461375] srcds_linux[4371]: segfault at 6acad9d4 ip f613803d sp fff3e410 error 4 in datacache_linux.so[f60dc000+bb000] Oct 29 14:03:12 yuna kernel: [4204278.461375] srcds_linux[4370]: segfault at 67b066c ip f647e7bb sp fff3e6d0 error 4 in vphysics_linux.so[f61a5000+47e000] Oct 29 14:03:12 yuna kernel: [4204278.491647] srcds_linux[4378]: segfault at c324482e ip f6138069 sp fff3e410 error 4 in vphysics_linux.so[f61a5000+47e000] Oct 29 14:03:12 yuna kernel: [4204278.526002] srcds_linux[4380]: segfault at 5ecb65a2 ip f6138011 sp fff3e410 error 4 in datacache_linux.so[f60dc000+bb000] Oct 29 14:03:12 yuna kernel: [4204278.567814] srcds_linux[4381]: segfault at fcfd4e48 ip f63a8730 sp fff3e600 error 4 in vphysics_linux.so[f61a5000+47e000] srcds_linux[4379]: segfault at 1e39205f ip f647ea22 sp fff3e710 error 4 in vphysics_linux.so[f61a5000+47e000] Oct 29 14:03:12 yuna kernel: [4204278.751870] srcds_linux[4395]: segfault at c9750ad7 ip f63862f0 sp fff3e500 error 4 in vphysics_linux.so[f61a5000+47e000] However, I've noticed that the crashed child processes restart immediately and seem to stay up, I now have 9/10 forks on my server full of players so they are clearly working (much to my consternation, see my sv_steamgroup_exclusive post). Very strange. Cheers, Chris David A. Parker wrote: > Signal 11 is a segmentation fault, so it looks like the child processes > are trying to perform some sort of memory access at an illegal address. > I'm afraid I'm at a loss as to why this would be happening. Do the > core dumps show anything odd? > > - Dave > > Chris Boot wrote: > >> David, >> >> I'm using the stock Lenny kernel: >> Linux yuna 2.6.26-2-amd64 #1 SMP Wed Aug 19 22:33:18 UTC 2009 x86_64 >> GNU/Linux >> >> My system is completely up-to-date. Besides, surely kernel features >> should never cause a crash in userland unless userland is doing >> something very wrong... >> >> What I see is like this: >> >> bo...@yuna l4d2 $ ./demo_dir1_run.sh >> Auto detecting CPU >> Using SSE2 Optimised binary. >> Server will auto-restart if there is a crash. >> # >> #Console initialized. >> ***VPK: FastFindFile Attempting to use full path with VPK file! >> File: >> /srv/steam/l4d2/demo_dir1/left4dead2_demo/left4dead2/addonlist.txt >> #***VPK: FastFindFile Attempting to use full path with VPK file! >> File: >> /srv/steam/l4d2/demo_dir1/left4dead2_demo/left4dead2/addonlist.txt >> #Game.dll loaded for "Left 4 Dead 2 Demo" >> Server is hibernating >> ConVarRef test_progression_loop doesn't point to an existing ConVar >> Game supporting (2) split screen players >> maxplayers set to 18 >> #01:Unknown command "mat_bloom_scalefactor_scalar" >> #02:Unknown command "mat_bloom_scalefactor_scalar" >> #03:Unknown command "mat_bloom_scalefactor_scalar" >> #01:---- Host_NewGame ---- >> #04:Unknown command "mat_bloom_scalefactor_scalar" >> #02:---- Host_NewGame ---- >> #03:---- Host_NewGame ---- >> #04:---- Host_NewGame ---- >> Child 0 aborted with signal 11 >> #01:Unknown command "mat_bloom_scalefactor_scalar" >> #01:KeyValues Error: RecursiveLoadFromBuffer: got NULL key in file >> scripts/population.txt >> Child 1 aborted with signal 11 >> #02:Unknown command "mat_bloom_scalefactor_scalar" >> #02:---- Host_NewGame ---- >> #04:Host_NewGame on map c5m1_waterfront >> #03:Host_NewGame on map c5m1_waterfront >> Child 0 aborted with signal 11 >> #01:Unknown command "mat_bloom_scalefactor_scalar" >> #01:Network: IP 87.117.228.64, mode MP, dedicated Yes, ports 27015 SV / 0 CL >> #01:Network console: IP 87.117.228.64 port 9001 >> #01:---- Host_NewGame ---- >> >> Notice all the "Child N aborted with signal 11" messages? >> >> Thanks, >> Chris >> >> David A. Parker wrote: >> >>> Hi Chris, >>> >>> Just wanted to let you know that I'm running a server with 6 forks on >>> 64-bit Debian Lenny and I am not seeing this problem. All six forks >>> stay up and there is no core dumping going on. My first guess would be >>> that your problem is related to your kernel configuration, such as high >>> resolution timers, dynamic ticks, etc. Is your Lenny installation up to >>> date? Are you using a custom kernel? >>> >>> - Dave >>> >>> Chris Boot wrote: >>> >>> >>>> Hi, >>>> >>>> Hmm, after more testing I can't seem to run any number of forks >>>> properly, with children core dumping regularly when I use a forked >>>> server... A non-forked server seems to run just fine. Anyone else have >>>> this problem? >>>> >>>> I'm using a 64-bit Debian Lenny server (HP DL140 G3). >>>> >>>> Can I run several instances out of the same install directory without >>>> using forks? E.g. running several different servers on different ports >>>> all out of the same directory? >>>> >>>> Cheers, >>>> Chris >>>> >>>> Chris Boot wrote: >>>> >>>> >>>>> Hi, >>>>> >>>>> I'm trying to run a forked server with 10 child processes, but if I try >>>>> and fork more than 2 children all the children crash out with a core >>>>> dump. Any ideas? >>>>> >>>>> My command-line is like this: >>>>> >>>>> ./srcds_run \ >>>>> -console \ >>>>> -game left4dead2 \ >>>>> -debug \ >>>>> -pidfile /srv/steam/l4d2/demo_dir1/left4dead2_demo/srcds.pid \ >>>>> -fork 3 \ >>>>> -netconport 90## -netconpassword <snip> \ >>>>> +ip <snip> +hostport 27014+## \ >>>>> +map c5m1_waterfront >>>>> >>>>> My server.cfg is like this: >>>>> >>>>> hostname "<snip>" >>>>> rcon_password "<snip>" >>>>> sv_allow_wait_command 0 >>>>> sv_alltalk 0 >>>>> sv_alternateticks 0 >>>>> sv_cheats 0 >>>>> sv_clearhinthistory 0 >>>>> sv_consistency 1 >>>>> sv_contact "[email protected]" >>>>> sv_downloadurl "" >>>>> sv_lan 0 >>>>> sv_log_onefile 0 >>>>> sv_logbans 1 >>>>> sv_logecho 0 >>>>> sv_logfile 0 >>>>> sv_logflush 0 >>>>> sv_logsdir "logs" >>>>> sv_maxcmdrate 100 >>>>> sv_unlag 1 >>>>> sv_maxunlag .5 >>>>> setmaster add 68.142.72.250:27011 >>>>> setmaster add 72.165.61.189:27011 >>>>> sv_steamgroup <snip> >>>>> sv_steamgroup_exclusive 1 >>>>> >>>>> Many thanks, >>>>> Chris >>>>> >>>>> Jason Ruymen wrote: >>>>> >>>>> >>>>> >>>>>> As you've already seen, the dedicated server files for the Left 4 Dead 2 >>>>>> Demo are now available. The game name is left4dead2_demo. We're still >>>>>> doing some final checks for the client, but that should be going live >>>>>> soon. >>>>>> >>>>>> Jason >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> To unsubscribe, edit your list preferences, or view the list archives, >>>>>> please visit: >>>>>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux >>>>>> >>>>>> >>>>>> >>>>>> >>>>> _______________________________________________ >>>>> To unsubscribe, edit your list preferences, or view the list archives, >>>>> please visit: >>>>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux >>>>> >>>>> >>>>> >>>> _______________________________________________ >>>> To unsubscribe, edit your list preferences, or view the list archives, >>>> please visit: >>>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux >>>> >>>> >>>> >>> >>> >> _______________________________________________ >> To unsubscribe, edit your list preferences, or view the list archives, >> please visit: >> http://list.valvesoftware.com/mailman/listinfo/hlds_linux >> >> > > _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlds_linux
