On Tue, Feb 4, 2014 at 10:49 AM, Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote: > > On Feb 4, 2014, at 11:03 AM, Andrew Lutomirski <luto@xxxxxxx> wrote: > > >> /boot is useful regardless of how you boot. The ESP doesn't need to >> be very large and doesn't cause any harm if booted via BIOS. The BIOS >> Boot partition only needs to be ~64kB IIRC, and UEFI boot will happily >> ignore it. You don't even need to have any contents in there. > > GRUB devs want 1MB for BIOS Boot. And then it also maintains 1MB alignment. Nevertheless one Kleenex is more valuable than 1MB of drive space, even on an SSD. > > > >> IMO in an ideal world, there would be one (or zero!) copy of the >> bootloader config, and the default configuration of the bootloader >> would populate the ESP (with the signed shim!), the BIOS Boot >> partition, and the (fake) MBR in the first sector. That way the disk >> would *always* be BIOS-bootable and, as long as there's a (working) >> copy of efibootmgr around, you can make the system UEFI-bootable with >> a single command that doesn't write to disk. > > I'm not opposed to the layout, but I'm personally totally disinterested in the ensuing clusterf|ck experiences I've already had with UEFI+BIOS dual boot OS's. If I could only experience food poisoning instead, my disposition would be no worse for the wear. That's okay. I can deal with the clusterfsck all on my own, as long as other things don't get in the way unnecessarily. :) > > My opinion: anything that requires BIOS to boot is old, or it's broken. And if it's old, it should be put into a VM. And if it's broken it should be fixed if it isn't a bad idea from the outset. > > > >> Everyone wins. Especially people who install via UEFI, upgrade their >> BIOS, and go "oh sh*t" when the BIOS upgrade conveniently erases their >> boot entry. > > Let's agree to not equate UEFI and BIOS. There is nothing basic about UEFI. Touché! --Andy -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct
