In message <[EMAIL PROTECTED]> Sergey Babkin writes:
: Well, I suppose unloading drivers makes much sense only in case
: if hardware supports hot-plug.
And when one is developing the driver, it helps a whole lot to add
unload capability. kldunload takes 1 second. reboot takes 120.
: I see the argument of upgrading the
: driver version without reboot as purely theoretical. For driver
: debugging the need to chnage the driver commonly happens after
: the old version somehow wedges the system. And upgrading drivers
: on a running production system is not something I personally would
: do. This is a dangerous operation and if it would cause any problems
: they would better happen at pre-scheduled boot time, not on a running
: machines with users.
That's why loading drivers at higher security levels is prohibited.
Warner
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