Date: Wed, 25 Jul 2018 19:40:51 +0200 From: "O. Hartmann" <o.hartmann@walstatt.org> To: "Rodney W. Grimes" <freebsd-rwg@pdx.rh.CN85.dnsmgr.net> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: [UEFI] Boot issues on some UEFI implementations Message-ID: <20180725194118.37c2b442@thor.intern.walstatt.dynvpn.de> In-Reply-To: <201807251430.w6PEUWPn041286@pdx.rh.CN85.dnsmgr.net> References: <1E6058D2-5804-480B-B6AF-66AA02CDD7AD@me.com> <201807251430.w6PEUWPn041286@pdx.rh.CN85.dnsmgr.net>
index | next in thread | previous in thread | raw e-mail
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Am Wed, 25 Jul 2018 07:30:32 -0700 (PDT) "Rodney W. Grimes" <freebsd-rwg@pdx.rh.CN85.dnsmgr.net> schrieb: [...] > > Yea, i was hoping fstyp command would report the FAT type, but it does not (request > > for feature?:) > > FYI, the file(1) command is very good at disecting a disk image to tell > you what the MBR looks like, and at looking at partitions if pointed at > them with the -s option. It should be able to detect FAT12/16/32. > > root@x230a:/home/ISO/x # file -s /dev/md2s1 > /dev/md2s1: DOS/MBR boot sector, code offset 0x3c+2, OEM-ID "BSD4.4 ", root entries > 512, sectors 1600 (volumes <=32 MB) , sectors/FAT 5, sectors/track 63, heads 1, serial > number 0xbd4111ee, label: "EFISYS ", FAT (12 bit), followed by FAT Thanks for this very helpful hint! > > > > > However, the more annoying idea would be to install some OS which will boot with UEFI > > on this machine, then copy boot1.efi from freebsd to it (the default program the UEFI > > will load is ESP:EFI/boot/bootx64.efi in case of UEFI64 and > > ESP:EFI/boot/bootia32.efi for EFI32. However, we do not support EFI32. > > > > note that boot1.efi alone will not do much but printing on screen how it will search > > for freebsd, but for the purpose of the test it would suffice - that would give us > > confirmed working ESP file system (since the other os would be able to boot) and then > > we can confirm if boot1.efi itself is OK. > - -- O. Hartmann Ich widerspreche der Nutzung oder Übermittlung meiner Daten für Werbezwecke oder für die Markt- oder Meinungsforschung (§ 28 Abs. 4 BDSG). -----BEGIN PGP SIGNATURE----- iLUEARMKAB0WIQQZVZMzAtwC2T/86TrS528fyFhYlAUCW1i2PwAKCRDS528fyFhY lFz5Af9MY41hoAND4OoKCOwExAM7oQYVCpHSz+mo94OBVqSCqcnprdvdE2C1+PiN Uza7lMvB8KVSqcyxuYbIFD0E5A4bAgCk/lzKwE9hTPBt4gdBx4t7N/XPafOEBEGM 8irGozKbAvikSkhAQTMPtwyE+861AvKy2Dw1o+mQo4AfikJI0dgq =9cKL -----END PGP SIGNATURE-----home | help
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20180725194118.37c2b442>