Date: Sat, 12 Mar 2011 08:30:17 GMT From: Alexander Best <arundel@freebsd.org> To: freebsd-fs@FreeBSD.org Subject: Re: kern/155484: GPT + UFS boot Message-ID: <201103120830.p2C8UH04080272@freefall.freebsd.org>
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The following reply was made to PR kern/155484; it has been noted by GNATS. From: Alexander Best <arundel@freebsd.org> To: Andrey Vladimirov <rarehawk@gmail.com> Cc: freebsd-gnats-submit@FreeBSD.org Subject: Re: kern/155484: GPT + UFS boot Date: Sat, 12 Mar 2011 08:22:30 +0000 On Fri Mar 11 11, Andrey Vladimirov wrote: > > >Number: 155484 > >Category: kern > >Synopsis: GPT + UFS boot > >Confidential: no > >Severity: serious > >Priority: medium > >Responsible: freebsd-bugs > >State: open > >Quarter: > >Keywords: > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Fri Mar 11 22:50:10 UTC 2011 > >Closed-Date: > >Last-Modified: > >Originator: Andrey Vladimirov > >Release: Freebsd 8.2 RELEASE > >Organization: > >Environment: > FreeBSD 8.2-STABLE FreeBSD 8.2-STABLE #0: Wed Mar 9 20:11:11 UTC 2011 andrey@:/usr/obj/usr/src/sys/x3650m2 amd64 > >Description: > I'm trying to setup a system with a large RAID array (total ~4TB) > I do next step: > 1.Create the boot, swap and UFS partitions: > Fixit# gpart add -s 64K -t freebsd-boot mfid0 > Fixit# gpart add -s 8G -t freebsd-swap -l swap0 mfid0 > Fixit# gpart add -t freebsd-ufs -l disk0 mfid0 > 2. Install the Protected MBR (pmbr) and gptboot loader > Fixit# gpart bootcode -b /mnt2/boot/pmbr -p /mnt2/boot/gptzfsboot -i 1 ad0 > Then install FreeBSD and add this: > echo 'vfs.root.mountfrom="ufs:/dev/mfid0p2"' >> /boot/loader.conf isn't this line pointing to your swap partition? try echo 'vfs.root.mountfrom="ufs:/dev/mfid0p3"' >> /boot/loader.conf ...also shouldn't this be: gpart bootcode -b /mnt2/boot/pmbr -p /mnt2/boot/gptboot -i 1 mfid0 ? also i'm not sure -b and -p can be used together in one command. at least the gpart(8) manual uses two commands for it. > After rebooting (system not booting) i see message: > is unable to find loader at /boot/loader or can it load /boot/kernel/kernel > > I load from DVD and go to Fixit > Copying /boot/loader to /loader allows me to enter /loader at the "boot:" prompt and the loader will load, however, its unable to load the kernel. > > If I do an "ls" at the loader prompt I can see boot listed as a directory (with a "d" before it) > Trying to do "ls boot" inexplicably it says "boot: not a directory" > > > > > > >How-To-Repeat: > do next step: > 1.Create the boot, swap and UFS partitions: > Fixit# gpart add -s 64K -t freebsd-boot mfid0 > Fixit# gpart add -s 8G -t freebsd-swap -l swap0 mfid0 > Fixit# gpart add -t freebsd-ufs -l disk0 mfid0 > 2. Install the Protected MBR (pmbr) and gptboot loader > Fixit# gpart bootcode -b /mnt2/boot/pmbr -p /mnt2/boot/gptzfsboot -i 1 ad0 > echo 'vfs.root.mountfrom="ufs:/dev/mfid0p2"' >> /boot/loader.conf > > >Fix: > If do next step: > Fixit# gpart add -s 64K -t freebsd-boot mfid0 > Fixit# gpart add -s 3800G -t freebsd-ufs -l disk0 mfid0 > Fixit# gpart add -s 8G -t freebsd-swap -l swap0 mfid0 > or > Fixit# gpart add -s 64K -t freebsd-boot mfid0 > next partition must be root(/) > Fixit# gpart add -s 3G -t freebsd-ufs -l disk0 mfid0 > Fixit# gpart add -s 8G -t freebsd-swap -l swap0 mfid0 > > No problem with boot on GPT. > > >Release-Note: > >Audit-Trail: > >Unformatted: -- a13x
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