It looks like I'm having the same issue. It stays up for a while and then I lose LS connection.
Code:
23945 [12.20. - 00:32:11] [COMMON__THREADS] Ending TCPConnectionLoop with thread ID -93160592
23945 [12.20. - 00:32:16] [WORLD__LS] Connecting to login server: eqemulator.net:5998
23945 [12.20. - 00:32:16] [COMMON__THREADS] Starting TCPConnectionLoop with thread ID -76375184
23945 [12.20. - 00:32:16] [WORLD__LS] Connected to Loginserver: eqemulator.net:5998
23945 [12.20. - 00:59:34] [COMMON__THREADS] Ending TCPConnectionLoop with thread ID -76375184
23945 [12.20. - 00:59:39] [WORLD__LS] Connecting to login server: eqemulator.net:5998
23945 [12.20. - 00:59:39] [COMMON__THREADS] Starting TCPConnectionLoop with thread ID -59589776
23945 [12.20. - 00:59:39] [WORLD__LS] Connected to Loginserver: eqemulator.net:5998
23945 [12.20. - 01:26:57] [COMMON__THREADS] Ending TCPConnectionLoop with thread ID -59589776
23945 [12.20. - 01:27:02] [WORLD__LS] Connecting to login server: eqemulator.net:5998
23945 [12.20. - 01:27:02] [COMMON__THREADS] Starting TCPConnectionLoop with thread ID -42804368
23945 [12.20. - 01:27:02] [WORLD__LS] Connected to Loginserver: eqemulator.net:5998
23945 [12.20. - 01:54:20] [COMMON__THREADS] Ending TCPConnectionLoop with thread ID -42804368
23945 [12.20. - 01:54:25] [WORLD__LS] Connecting to login server: eqemulator.net:5998
That's on ubuntu 10.04 x86-64 running 1771
It looks like I can have a day or more of uptime between issues.