Re: Bug#763127: UEFI corner case - installer booted in UEFI mode, existing system in BIOS mode
On Sun, Sep 28, 2014 at 06:02:12PM +0100, Ian Campbell wrote:
>On Sun, 2014-09-28 at 18:54 +0200, Wouter Verhelst wrote:
>> On Sun, Sep 28, 2014 at 10:26:20AM +0100, Steve McIntyre wrote:
>> > On Sun, Sep 28, 2014 at 08:48:11AM +0200, Wouter Verhelst wrote:
>> > >On Sun, Sep 28, 2014 at 02:28:06AM +0100, Steve McIntyre wrote:
>> > >> If the user wants to continue, we could even suggest blanking the
>> > >> partition table(s) and starting again with GPT, but I don't think
>> > >> we currently have a "blank partition table" option exposed within
>> > >> d-i?
>> > >>
>> > >> What do people think of this plan? What have I missed?
>> > >
>> > >Isn't it better to run this test in partman-efi's isinstallable script?
>> > >Then if things are set up in the described way, grub-efi just won't be
>> > >installed, but the normal grub will, and the system will continue to
>> > >boot in BIOS fallback as before.
>> >
>> > That was my initial thought, but then someone pointed out: what
>> > happens to a user who explicitly *wants* to replace their existing
>> > legacy system with a new UEFI one?
>>
>> If that is a warning (as opposed to error) message saying something
>> along the lines of "note that with this setup you won't be able to boot
>> your current system anymore", then that isn't an actual problem. A user
>> who is planning to replace a system shouldn't be worried about the
>> installer warning them that they can't boot the (to be replaced) old
>> system anymore, and can safely ignore that message.
>
>I was thinking more along the lines of a yes/no question which would
>either cause partman-efi.isinstallable to fail or not. Allowing
>selection between the "wants to convert to EFI" and "wants to stick with
>regular grub not grub-efi" cases.
That sounds better to me too, assuming we can sensibly do a question
at that point. Is that allowed? I honestly don't know... :-/
--
Steve McIntyre, Cambridge, UK. steve@einval.com
"I can't ever sleep on planes ... call it irrational if you like, but I'm
afraid I'll miss my stop" -- Vivek Dasmohapatra
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