Looks like a wx problem. I am using latest wx-cvs.
Error in CClientUDPSocket: 2
Error in CClientUDPSocket: 2
*** glibc detected *** double free or corruption (fasttop): 0xb4e00480 ***
...
#0 0x001a07a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
(gdb) bt
#0 0x001a07a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
#1 0x001e17d5 in raise () from /lib/tls/libc.so.6
#2 0x001e3149 in abort () from /lib/tls/libc.so.6
#3 0x0021527a in __libc_message () from /lib/tls/libc.so.6
#4 0x0021babf in _int_free () from /lib/tls/libc.so.6
#5 0x0021be3a in free () from /lib/tls/libc.so.6
#6 0xb7a46607 in GAddress_destroy (address=0xb4e00480) at ./src/unix/gsocket.cpp:1594
#7 0xb7a3a39c in ~wxSockAddress (this=0xb75671a0) at ./src/common/sckaddr.cpp:84
#8 0xb7a3a6ac in ~wxIPaddress (this=0xb75671a0) at ./src/common/sckaddr.cpp:120
#9 0xb7a3a8c8 in ~wxIPV4address (this=0xb75671a0) at ./src/common/sckaddr.cpp:138
#10 0x08082116 in ~amuleIPV4Address (this=0xb75671a0) at ServerUDPSocket.cpp:63
#11 0x080ccd35 in CClientUDPSocket::SendTo (this=0x9523eb8, lpBuf=0xb4e00b48 "Å\220:\017÷ªnJøl\016§å\vÊ/\2306@",
nBufLen=30, dwIP=1354704464, nPort=4672) at ClientUDPSocket.cpp:337
#12 0x080ccaca in CClientUDPSocket::SendControlData (this=0x9523eb8, maxNumberOfBytesToSend=18)
at ClientUDPSocket.cpp:288
#13 0x08258ccc in UploadBandwidthThrottler::Entry (this=0x912e648) at UploadBandwidthThrottler.cpp:453
#14 0xb7986f09 in wxThreadInternal::PthreadStart (thread=0x912e648) at ./src/unix/threadpsx.cpp:763
#15 0xb7986dc2 in wxPthreadStart (ptr=0x912e648) at ./src/unix/threadpsx.cpp:715
#16 0x00401341 in start_thread () from /lib/tls/libpthread.so.0
#17 0x00280fee in clone () from /lib/tls/libc.so.6
(gdb)