Date: Sat, 22 Jun 2019 21:56:08 -0500 From: Karl Denninger <karl@denninger.net> To: freebsd-current@freebsd.org Subject: Re: UEFI firmware and getting FreeBSD recognized by default: who to talk to? Message-ID: <cb2ef34c-836b-5a2d-9b9f-ff1b40cede59@denninger.net> In-Reply-To: <20190623012022.5270E1DDDFE@denninger.net> References: <1e08badd-a963-7e4b-98a7-52a9d3bd77a8@bluestop.org> <db7c8df3-ead3-9d56-bd9c-9ff732b401e9@denninger.net> <cc6c9260-451b-ae5b-0612-51b1a5525116@bluestop.org> <87dee58e-66dc-ddf8-980b-a538875ae8b9@denninger.net> <20190623012022.5270E1DDDFE@denninger.net>
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This is a cryptographically signed message in MIME format. --------------ms060800050200000600000403 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 6/22/2019 20:16, Thomas Mueller wrote: > from Karl Denninger: > >> On 6/22/2019 14:05, Rebecca Cran wrote: >>> On 2019-06-22 12:59, Karl Denninger wrote: >>>> I use Refind for this sort of thing and it has (thus far!) survived >>>> upgrades.=C3=82=C2=A0 The only "gotcha" is that I had a Windows 10 "= Feature" >>>> upgrade that reset the default boot in the firmware to Windows; it >>>> didn't damage anything but did require that I go reset the UEFI defa= ult >>>> to boot the Refind EFI loader instead of the Windows one. >>> I do like that rEFInd knows about FreeBSD, and it's one of the "UEFI = OS" >>> entries that remains. But I'd prefer it if a "FreeBSD" entry was >>> automatically created! > =20 >> It is. =20 >> All I had to do was put the EFI loader in a directory under the UEFI >> partition and Refind found it.=C3=82=C2=A0 I didn't have to specifical= ly tell it >> that it was there. >> The explicit "set" command (which I issued under Windows) is to tell t= he >> firmware what the default is; you do it once on original installation = of >> Refind.=C3=82=C2=A0 The Windows 10 feature update set it back to defau= lt to >> Windows, which was quite annoying but not really a big deal.=C3=82=C2=A0= One =20 >> command, once, from the Windows command line (same as the one to set i= t >> in the first place) was all that was required. >> The danger with tampering with where Windows 10 puts its EFI loader >> (e.g. copying Refind there after moving it somewhere else) is that >> Bitlocker may throw up on you if you do that.=C3=82=C2=A0 In fact you = do have to do >> things in the right order or Bitlocker's default configuration (at lea= st >> on a TPM equipped machine) will have a hissy fit -- you cannot change >> anything in the EFI partition after initializing Bitlocker, including >> the Refind configuration file (this most-specifically applies to the >> "wait for boot time"; I find the default obnoxiously long) so you have= >> to make that edit and put the other stuff in the UEFI partition (e.g. >> FreeBSD's EFI loader and Refind) BEFORE turning Bitlocker on. > =20 >> I've been running this way since 12.x showed up since 12.x can boot a >> geli-encrypted system directly on my laptop.=C3=82=C2=A0 Works nicely.= > This is scary (Bitlocker), sent me to Wikipedia to look up Bitlocker. > > Can you turn Bitlocker off after turning it on and get your system back= ? You SHOULD (better have!) kept the recovery key.=C2=A0 If you have it, yo= u can boot with it.=C2=A0 Then turn it off and back on, and it will generat= e a new key. > Now I am even more scared to ever get a computer with MS-Windows! > > One think on my mind is if I need a new motherboard, would it have the = undesired Secure Boot? I guess I'd have to ask the seller and look on th= e motherboard manufacturer's website (MSI, ASRock, Asus, Gigabyte, or oth= er). > > I have no Secure Boot now. Probably.=C2=A0 But you can shut THAT off (and should) provided you wish = to dual boot.=C2=A0 The exception is ARM-based systems, many of which are secure-boot ONLY.=C2=A0 For Intel machines I've never run into one that c= an't have it turned off (and I'd return it immediately if I found one.) > I am trying to set up UEFI to boot my FreeBSD and NetBSD installations,= and later, Linux. > > Tom Easy.=C2=A0 Refind should do that and allow selection from a menu. --=20 Karl Denninger karl@denninger.net <mailto:karl@denninger.net> /The Market Ticker/ /[S/MIME encrypted email preferred]/ --------------ms060800050200000600000403 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgMFADCABgkqhkiG9w0BBwEAAKCC DdgwggagMIIEiKADAgECAhMA5EiKghDOXrvfxYxjITXYDdhIMA0GCSqGSIb3DQEBCwUAMIGL 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