My only hesitation is that hybrid boot has never been anything more than a hack, but that's vastly outweighed by the fact that it's so pervasive.
-----Original Message----- From: Limonciello, Mario Sent: Tuesday, March 29, 2016 08:04 PM Central Standard Time To: pkg-grub-de...@lists.alioth.debian.org; debian-boot@lists.debian.org; Debian UEFI List Subject: Re: Simultaneous EFI and Legacy bootloader installation On 03/29/2016 07:50 PM, Limonciello, Mario wrote: > Hi, > > I was briefly discussing this with Steve McIntyre and wanted to bring it to a > wider discussion. Currently users need to make a selection at installation > time whether to install in UEFI mode or in Legacy mode. If they installed in > legacy mode and later discovered that their system supported extra features > in UEFI mode (For example firmware updates) they are penalized and need to > redo the installation in order to switch modes. > > I'd like to propose changing this and by default install both legacy and UEFI > bootloaders on architectures that support both regardless of which mode the > system is running in at installation. Making this change has a few obvious > implications: > * The installation disk would always be formatted GPT. > * An ESP would always be created. > * If the user is in legacy at installation time, it's not possible to create > an EFI boot entry since EFI runtime services aren't present. The removable > media fallback path (\efi\boot\boot$ARCH.efi) will need to be used to boot > the system at this point and at some point create a "debian" NVRAM boot entry > > I'm not aware of any modern systems that are unable to boot a GPT partitioned > disk. If there are systems like this in the wild, it would be worthwhile to > leave support to install in MBR mode when doing an expert install so that > people can still use them. > > Thoughts? > > Thanks, Add debian-efi mailing list as well for awareness and to include in discussion.
