Re: Resuming from a crashdump

takawata_at_jp.freebsd.org
Date: 01/25/05

  • Next message: João Carlos Mendes Luís: "FreeBSD disk hibernation - Was: Resuming from a crashdump"
    To: Christian Laursen <xi@borderworlds.dk>
    Date: Tue, 25 Jan 2005 11:19:40 +0900
    
    

    In message <86pszu639o.fsf@borg.borderworlds.dk>, Christian Laursen wrote:
    >I was thinking about software suspend and got this crazy idea.

    Not so crazy Idea.

    >I have no idea if this is possible or total madness but here
    >goes anyway.
    >
    >The idea would be to force the system to "crash" and make a
    >dump on a dedicated partition. On boot after initializing devices
    >but before mounting /, the kernel would check that partition and
    >if it found a dump there restore it to the machine's memory,
    >reinitialize devices and continue where it left off.
    >
    >Any thoughts? Could this be done or would an entirely different
    >approach be better?

    OS-initiated ACPI S4 sleep may be implemented in the way like this.

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