Date: Thu, 15 Jan 2009 15:29:08 -0200 From: "Luiz Otavio O Souza" <lists.br@gmail.com> To: "Marcel Moolenaar" <xcllnt@mac.com>, "Dimitry Andric" <dimitry@andric.com>, <current@freebsd.org> Cc: Randy Bush <randy@psg.com>, George Neville-Neil <gnn@neville-neil.com>, Ben Kaduk <minimarmot@gmail.com> Subject: Re: GEOM and moving to CURRENT from 7.1 Message-ID: <4465FEDC68154E66AD569B18D668880F@adnote989> References: <FC3D3CF7-091B-4ECF-BE38-6C7751C20994@neville-neil.com> <alpine.BSF.2.00.0901112002080.3696@ibyngvyr.purzvxnyf.bet> <496D0364.2060505@psg.com> <47d0403c0901131335h46e7b151p3768de9a3e2c2027@mail.gmail.com> <EC370904A7B74B93887C79E120CA2835@adnote989> <085BEE07-BAE5-4A45-A14D-9587987FAA5C@mac.com> <496F44FA.1070004@andric.com> <48C1C477-B7BE-43B0-AC57-9DEB7BF9AA88@mac.com>
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> On Jan 15, 2009, at 6:15 AM, Dimitry Andric wrote: > >> On 2009-01-14 17:34, Marcel Moolenaar wrote: >>>> The only way i've found to boot my system again is to compile a new >>>> kernel with GEOM_BSD and GEOM_MBR, instead of GEOM_PART_*. >>> >>> Wipe out your second sector on the disk. You have a >>> stale BSD disklabel that prevents the MBR from being >>> used. >> >> Hmm, in my case I can't do so, since I have a "Dangerously Dedicated" >> FreeBSD MBR partition. > > You don't have a DD installation if your root file system > is mounted on ad0s1a. You have a DD installation if your > root file system is mounted on ad0a. > > In the DD case, the BSD disklabel in the 2nd sector is the > one that's being used. In the non-DD case the BSD disklabel > is in the 2nd sector of the first slice (sector 64 on the > disk in the most common case). > > -- > Marcel Moolenaar > xcllnt@mac.com Yep, This do the magic here: # sysctl kern.geom.debugflags=16 kern.geom.debugflags: 0 -> 16 # dd if=/dev/zero of=/dev/ad0 seek=1 count=1 1+0 records in 1+0 records out 512 bytes transferred in 0.000266 secs (1924269 bytes/sec) Now i'm booting from geom_part_* Thanks Marcel. Luiz
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