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Re: 1-second kernel



Bill Davidsen wrote:
> Konstantin Svist wrote:
>> There was a 5-second Linux entry a while back, and it was mentioned that
>> 2.6.27 should boot in 1 second (with .5-second boot coming in 2.6.28)
>> I'm not seeing it on the F10 install (updated to latest release
>> version).
>> I'm guessing that's because of initrd (I heard that it must be turned
>> off for 1-second kernel to work).
>>
>> Is there (or are there plans for) a maintained version of 1-second
>> kernel for Fedora?
>>
>>
>>
> Fedora is currently not targeted to embedded dedicated applications. I
> doubt that you will see a practical five second boot on server or
> workstation commercial hardware any time soon. By practical here I
> mean something that doesn't need to be tuned to each machine and/or
> assume anything on the network (DNS or DHCP servers) will respond
> instantly.
>
> The way some tests count "boot time" starts with a machine up and
> running at the boot manager, ignoring real world stuff like disk
> spinup, etc, it tests a portion of the delay from power on to ready to
> use.
>

IIRC, the idea was to initialize hardware in parallel. The only thing
(?) required for this to work is using kernel alone, without initrd.
So my question is, how plausible is running Fedora without initrd? Don't
the majority of users out there have similar hardware, making initrd
unnecessary?



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