Joined: 10 November 2004
Windows crashes automatically if you don't switch off the machine for
49.7 days.This is accepted by Microsoft.
Do you know why?
In windows the Virtual Machine Manager(VMM) is responsible for
creation, exe cution, monitoring and termination of virtual machines. This
VMM is a
32 bit protected mode operating system, provides a number of system
service at chip level of programming.
One of these services is "Get_System_Time". This particular service
loads the EAX register with the time in milliseconds since Windows
started.This service is accurate to 1ms.
EAX is a 32 bit register. So the maximum number of milliseconds it can
(2^32) - 1 = 4294967295 milliseconds
= 4294967.295 seconds
= 71582.79 minutes
= 1193 hours
= 49.7 days
So after 49.7 days the EAX resets to zero.Most of the Drivers use this
Time Service to keep track of the time out of various services they
provide. So after 49.7 days the drives cannot use the Get_System_Time
funtion of VMM and they crash.
"SO DO NOT KEEP YOUR MACHINE ON FOR MORE THAN 49.7 DAYS. IT WILL NOT
ONLY CRASH BUT M AKE A BIG HOLE IN THE POCKET(THE ELECTRIICTY BILL)
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