Messages in this thread | | | Date | Fri, 9 Jul 1999 18:51:49 +0200 | From | Jamie Lokier <> | Subject | Re: KMSGDUMP: dump kernel messages to a diskette |
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Willy Tarreau wrote: > it must be the case because these functions were designed exactly for > that use, ie. jumping from protected to real mode and execute a given > code to eventually switch back to protected mode. Normaly, only the > CPU reset line is activated by an out 0x64,0xfe, so nothing else > should be lost on the motherboard.
Though take a look at arch/i386/kernel/proces.c:machine_restart() -- out 0x64,0xfe does not work on some motherboards.
(Strangely it _does_ work from DOS on the board I tried).
-- Jamie
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