Date: Fri, 25 Apr 2014 14:00:13 +0400 (MSK) From: Dmitry Morozovsky <marck@rinet.ru> To: Don Lewis <truckman@freebsd.org> Cc: svn-src-head@freebsd.org, gjb@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, nwhitehorn@freebsd.org Subject: Re: svn commit: r264907 - in head/release: amd64 i386 Message-ID: <alpine.BSF.2.00.1404251357330.5834@woozle.rinet.ru> In-Reply-To: <201404250526.s3P5Q3hS010626@gw.catspoiler.org> References: <201404250526.s3P5Q3hS010626@gw.catspoiler.org>
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On Thu, 24 Apr 2014, Don Lewis wrote: [snip] > >> GPT may not be the best choice here. On a number of, in particular, Lenovo > >> hardware, the BIOS will unconditionally boot with EFI from GPT media. I'm > >> not sure we want to just swap the set of machines on which this will not > >> boot. It probably needs to be nested MBR (or straight MBR -- I forget if > >> that works) until the boot media work with EFI (which should be soon on > >> -CURRENT). > > > > Noted. The thing here is that I want to get an EFI GPT partition on the > > image eventually, which unless I'm missing something obvious, we cannot > > mix GPT and MBR. > > > > I don't particularly like swapping which machines boot with this hack. > > Maybe it's time to do a MBR stick for "legacy" boot, and the GPT stick > > for UEFI and/or "fails-to-boot-DD" case? > > I've got a fairly recent Gigabyte motherboard that refused to boot an > Ultimate Boot CD memstick which uses MBR. I found out that I was was > able to boot and install from a 'dangerously dedicated' FreeBSD 9.x > memstick. Given that clue, I built a 'dangerously dedicated' Ultimate > Boot CD memstick, which worked just fine. seconded, till now the most bootable case for machines under my hands were happy with no-partition at all (fake MBR with 50k@s4, dd from UFS) this situation could drift in the near future though... -- Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] [ FreeBSD committer: marck@FreeBSD.org ] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------
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