>> Can anyone give me a clue, how one can ``stop'' system from accessing RAM, and then allow it again? > > I think this has no aim, RAM tests should be done during booting, but > u could try to disable interrupts while in kernel mode 'cli' which > will prevent any further context switching, then try to do whatever > you want, finally enable interrupts back 'sti'. > > That's my two cents. I don't whether it will work or not. >
Also, keep in mind that 'cli/sti' is just a starting point. You can't just go playing with memory anywhere you want because interrupts are disabled. What if a DMA transfer is in progress? Mike _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"