Server got freezed!

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0xb7768430 in __kernel_vsyscall ()
#0  0xb7768430 in __kernel_vsyscall ()
#1  0xb76b5af9 in __lll_lock_wait () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb76b1149 in _L_lock_839 () from /lib/tls/i686/cmov/libpthread.so.0
#3  0xb76b0fdb in pthread_mutex_lock () from /lib/tls/i686/cmov/libpthread.so.0
#4  0xb771b5f1 in SDL_mutexP () from /usr/lib/libSDL-1.2.so.0
#5  0x0875372b in Shared::Platform::Mutex::p (this=0xa651dc8)
    at /home/softcoder/Code/megaglest/trunk/source/shared_lib/sources/platform/sdl/thread.cpp:176
#6  0x0876c9f0 in Shared::Platform::MutexSafeWrapper::Lock (this=0xa6a6008)
    at /home/softcoder/Code/megaglest/trunk/source/shared_lib/include/platform/sdl/thread.h:138
#7  MutexSafeWrapper (this=0xa6a6008)
    at /home/softcoder/Code/megaglest/trunk/source/shared_lib/include/platform/sdl/thread.h:111
#8  Shared::Platform::Socket::disconnectSocket (this=0xa6a6008)
    at /home/softcoder/Code/megaglest/trunk/source/shared_lib/sources/platform/posix/socket.cpp:960
#9  0x0876d047 in ~Socket (this=0xa6a6008, __in_chrg=<value optimized out>)
    at /home/softcoder/Code/megaglest/trunk/source/shared_lib/sources/platform/posix/socket.cpp:929
#10 0x0853d75d in Glest::Game::ConnectionSlot::deleteSocket (this=0xac5c0d90)
    at /home/softcoder/Code/megaglest/trunk/source/glest_game/network/connection_slot.cpp:1188
#11 0x0853f503 in Glest::Game::ConnectionSlot::close (this=0xac5c0d90)
    at /home/softcoder/Code/megaglest/trunk/source/glest_game/network/connection_slot.cpp:1054
#12 0x08575504 in Glest::Game::ServerInterface::clientLagCheck (
    this=0xa651f18, connectionSlot=0xac5c0d90, skipNetworkBroadCast=false)
    at /home/softcoder/Code/megaglest/trunk/source/glest_game/network/server_interface.cpp:674
#13 0x0857754f in Glest::Game::ServerInterface::checkForLaggingClients (
    this=0xa651f18, mapSlotSignalledList=..., eventList=...,
    socketTriggeredList=..., errorMsgList=...)
    at /home/softcoder/Code/megaglest/trunk/source/glest_game/network/server_interface.cpp:961
#14 0x0857e2cf in Glest::Game::ServerInterface::update (this=0xa651f18)
    at /home/softcoder/Code/megaglest/trunk/source/glest_game/network/server_interface.cpp:1132
#15 0x08381b76 in Glest::Game::Program::loopWorker (this=0xb4007a60)
    at /home/softcoder/Code/megaglest/trunk/source/glest_game/main/program.cpp:397
#16 0x08355801 in Glest::Game::glestMain (argc=1, argv=0xbfc169a4)
    at /home/softcoder/Code/megaglest/trunk/source/glest_game/main/main.cpp:3606
#17 0x083579e0 in Glest::Game::glestMainWrapper (argc=1, argv=0xbfc169a4)
    at /home/softcoder/Code/megaglest/trunk/source/glest_game/main/main.cpp:3762
#18 0x08357b3a in main (argc=1, argv=0xbfc169a4)
    at /home/softcoder/Code/megaglest/trunk/source/glest_game/main/main.cpp:3784