On Fri, 16 Dec 2016 18:08:34 +0100, Fernando Herrero Carr?n wrote: > Hi everyone, Hi, you've had plenty of helpful responses, but nobody has commented on: > My only reason for wanting to boot with UEFI is faster boot, > everything is working fine otherwise. I'm skeptical that UEFI boot would be any or noticeably faster than via BIOS, but am interested in hearing of any experiences regarding that. cheers, Ian
2016-12-17 7:12 GMT+01:00 Ian Smith <smithi at nimnet.asn.au>:> On Fri, 16 Dec 2016 18:08:34 +0100, Fernando Herrero Carr?n wrote: > > Hi everyone, > > Hi, > > you've had plenty of helpful responses, but nobody has commented on: > > > My only reason for wanting to boot with UEFI is faster boot, > > everything is working fine otherwise. > > I'm skeptical that UEFI boot would be any or noticeably faster than via > BIOS, but am interested in hearing of any experiences regarding that. > > cheers, Ian >My understanding is that BIOSes still boot through kind of a legacy 32-bit path and UEFI boots straight 64-bit with all the bells and whistles. In fact: % file /boot/loader /boot/loader: FreeBSD/i386 demand paged executable # Slow 32bit? % file /boot/loader.efi /boot/loader.efi: PE32+ executable (EFI application) x86-64, for MS Windows # Fast 64bit? Whether this amounts to faster boot, we'll see. Cheers, Fernando
> Am 17.12.2016 um 07:12 schrieb Ian Smith <smithi at nimnet.asn.au>: > > On Fri, 16 Dec 2016 18:08:34 +0100, Fernando Herrero Carr?n wrote: >> My only reason for wanting to boot with UEFI is faster boot, >> everything is working fine otherwise. > > I'm skeptical that UEFI boot would be any or noticeably faster than via > BIOS, but am interested in hearing of any experiences regarding that.In a very quick test with VirtualBox with 10.3-Release, ZFS, booting with BIOS and autoboot_delay=0, it takes 15 seconds to display ?Booting??. With 11.0-R and BIOS it takes about 12. With 11.0-R and EFI enabled, it takes less than 3 seconds. On real hardware other factors will likely diminish the difference. Stefan -- Stefan Bethke <stb at lassitu.de> Fon +49 151 14070811
On Sat, Dec 17, 2016 at 05:12:13PM +1100, Ian Smith wrote:> On Fri, 16 Dec 2016 18:08:34 +0100, Fernando Herrero Carr?n wrote: > > Hi everyone, > > Hi, > > you've had plenty of helpful responses, but nobody has commented on: > > > My only reason for wanting to boot with UEFI is faster boot, > > everything is working fine otherwise. > > I'm skeptical that UEFI boot would be any or noticeably faster than via > BIOS, but am interested in hearing of any experiences regarding that.Some BIOS start with very long try UEFI boot atempt and try legacy boot only all of that fails. I.e. this is not speedup FreeBSD boot, this is speedup _start_ of FreeBSD boot for some BIOS.