Dear list, I'm having problems with my 4.4 server where it starts to become unresponsive after a couple of days and finally hangs.
The symptoms are very weird, the system runs fine for several days and then performance degrades within a couple of hours until the system is unusable. It doesn't freeze completely though, it's still running and appears to be doing something. I have checked various logs (messages, daemon, secure, cron, httpd...) and symon graphs of CPU, memory, I/O... -- there's nothing suspicious at all. Neither memory nor CPU usage is high even when I'm not able to ssh into the system anymore or access the webserver. When this occurs the machine has to be rebooted manually; I'm running a watchdog on it, but somehow the system seems to find enough resources to keep it going. I'm sorry that I can't provide more specific information, but I don't know what else to look for. Has anybody ever experienced something similar or does anybody have any ideas what might cause such behaviour? Thanks, Lars
