Messages in this thread | | | From | "Ulrich Windl" <> | Date | Fri, 29 Mar 1996 08:35:49 +0100 | Subject | Re: Linux reboot |
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On 28 Mar 96 at 18:51, Alan Cox wrote:
> > (please send the damn things to /dev/null) but WHY don't we just drop out > > of protected mode and execute a poke on F000:FFF0? This is the generally > > accepted method for making a system do a warm boot. Why dink around with > > trying to convince the KB controller to run the reset line low? Just my > > opinion, but this is another instance of the Linux experts trying to > > reinvent the wheel. Why not use the accepted method and save the trouble? > > > > Worth you submitting a patch for it maybe. At the moment we try various > things like the key controller and triple faulting (shutdown cycles). I'm > not aware of the F000:FFF0 one. I am aware of some of the PCI bus > controller ones and the P5/P6 send yourself a reset IPI which we also dont > do.
Maybe some hardware needs a true reset? I don't know how things are with PnP and PCI, but some network cards can cause trouble (MS_DOS/ Novell VLM couldn't find the card after Linux was running (was a SMC card)).
Ulrich
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