Hello, I have installed NetBSD-1.1 into my PC and it ran 24 hours continuosly, sometimes it crashs. After I reboot it, then it works. The messages is as shown below:- * Panic : vm_fault : active, inactive or !busy after main loop * Stopped at _Debugger +0x4 : leave * db > _ May I know what happen in the kernel or what is the cause? ~Ng Yew Ban