Re: New partition type

Keith Owens (kaos@ocs.com.au)
Wed, 12 May 1999 10:25:44 +1000


On Tue, 11 May 1999 08:20:43 -0700 (PDT),
John Alvord <jalvo@mbay.net> wrote:
>On Tue, 11 May 1999, Keith Owens wrote:
>In one operating system I knew well (IBM's VM) control never passed out of
>the dump process.

The same thing happens with MVS, ICL 1900, ICL 2900 and any other
operating system on decent hardware.

>Linux would need a "non-operating system" mode of operation to proceed
>succesfully. Sounds tough but not impossible.

The tough bit is doing it on hardware which is so badly designed that
the O/S has to do everything, ix86 falls into that category. We either
write a completely separate I/O subsystem for dumps or we drop down to
the BIOS. Using BIOS means all addresses < 1M and single threaded
mode, followed by a reboot.

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