Date: Mon, 19 Sep 2011 08:02:59 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-amd64@freebsd.org Cc: freebsd-gnats-submit@freebsd.org, Camillo SXrs <ged@iki.fi> Subject: Re: amd64/160801: zfsboot on 8.2-RELEASE fails to boot from root-on-zfs in MBR slice Message-ID: <201109190802.59988.jhb@freebsd.org> In-Reply-To: <201109181301.p8ID1BdX023885@red.freebsd.org> References: <201109181301.p8ID1BdX023885@red.freebsd.org>
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On Sunday, September 18, 2011 9:01:11 am Camillo SXrs wrote: >=20 > >Number: 160801 > >Category: amd64 > >Synopsis: zfsboot on 8.2-RELEASE fails to boot from root-on-zfs in= =20 MBR slice > >Confidential: no > >Severity: serious > >Priority: low > >Responsible: freebsd-amd64 > >State: open > >Quarter: =20 > >Keywords: =20 > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Sun Sep 18 13:10:07 UTC 2011 > >Closed-Date: > >Last-Modified: > >Originator: Camillo S=E4rs > >Release: 8.2-RELEASE > >Organization: > >Environment: > FreeBSD free 8.2-RELEASE FreeBSD 8.2-RELEASE #0: Thu Feb 17 02:41:51 UTC= =20 2011 root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 >=20 > >Description: > /boot/zfsboot when installed fails to boot from root-on-zfs in MBR slice,= =20 set up according to this: >=20 > <http://wiki.freebsd.org/RootOnZFS/ZFSBootPartition>; >=20 > I upgraded from 8.1 to 8.2-RELEASE, and consequently upgraded my zfs root= =20 pool to version 15. Upgraded the bootloader in Fixit prompt to allow booti= ng=20 from v15 pool. After this, the system fails to boot, and freezes after the= =20 "Boot: F1" prompt with "-" on the screen. See this thread for example=20 screenshot: >=20 > <http://forums.freebsd.org/showthread.php?t=3D22105>; >=20 > MBR is used because of BIOS incompatibility with GPT as installed by=20 =46reeBSD. > >How-To-Repeat: > Set up root-on-ZFS in MBR slice on 8.2-RELEASE according to: >=20 > <http://wiki.freebsd.org/RootOnZFS/ZFSBootPartition>; >=20 > Reboot - system halts on "-". > >Fix: > Install zfsboot from 9.0-BETA2, where the problem is fixed. Can you test 8.2-stable? The various fixes made to zfsboot in 9 were merge= d=20 to 8 after 8.2-release. =2D-=20 John Baldwin
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