Re: [Qemu-devel] Hardware Detection in Qemu

["Michael Fisher" <desnotes@gmail.com>]

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Thanks...I am working with a couple of distros I want to modify so they will
boot faster on QEMU and also utilize persistence. Customizing the
/etc/init.d/* scripts will be my next step.

On 7/9/07, Christian MICHON <christian.michon@gmail.com> wrote:
>
> On 7/8/07, Michael Fisher <desnotes@gmail.com> wrote:
> > I have run various live Linux CD distributions (Knoppix, DSL, Ubuntu,
> etc.)
> > under QEMU and was wondering if there is really a need to run the
> various
> > hardware detection scripts in the live CDs? Obviously, a script for
> getting
> > an IP address is needed but if I know I am running the distro under
> QEMU, do
> > I need to check for USB, SCSI, AGP, PCI and the other detection scripts?
> >
>
> in short: no, you don't need so much hardware detection.
>
> > If QEMU is already doing that, can't I just tweak the live distro to
> match
> > QEMU and then let QEMU do the work when it is placed on various host
> > computers?
>
> if you're targetting a specific version of qemu, on which hardware's list
> is specified/frozen, then yes, it's best to custom each of your linux
> guest to speed up the boot sequence.
>
> I see 3 ways:
>
> 1) by command line: you can add parameters like noacpi, tweak the
> ide probes, etc... slax and dsl give you quite a good list to start
> with...
>
> 2) by customizing the /etc/init.d/* scripts, and re-authorizing the iso
> If you do this, you've to keep in mind the new iso is for your guests
> only...
>
> 3) use DetaolB. It's one of the many reasons why I created it. :)
> Seriously, you create your own distro. The trick is in getting the
> init scripts to as little as possible, and putting all needed hardware
> modules *only* in your vmlinux, thus removing modprobing, which
> actually takes quite a lot of time when inside qemu.
>
> > Currently, most of my testing is done using Win XP as the host but in
> the
> > future I will be looking at Linux and Macs as hosts also.
>
> I'm in the same situation.
>
> --
> Christian
> --
> http://detaolb.sourceforge.net/, a linux distribution for Qemu
>
>
>

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