Date: Fri, 5 Dec 2014 13:55:58 -0700 From: Warner Losh <imp@bsdimp.com> To: John-Mark Gurney <jmg@funkthat.com> Cc: freebsd-arm@freebsd.org Subject: Re: single user mode? Message-ID: <64ED447D-BCC8-48DC-A92A-5C0839B36029@bsdimp.com> In-Reply-To: <20141205204719.GD25139@funkthat.com> References: <201412051306.sB5D6otZ007591@mech-as221.men.bris.ac.uk> <20141205204719.GD25139@funkthat.com>
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[-- Attachment #1 --] > On Dec 5, 2014, at 1:47 PM, John-Mark Gurney <jmg@funkthat.com> wrote: > > Anton Shterenlikht wrote this message on Fri, Dec 05, 2014 at 05:06 -0800: >> Is it possible to enter a single user mode >> on arm 10.1-release? > > If you're using loader, yes it is possible, but often loader is not > used on arm... > >> My disk, well.. the sd card, got corrupted, >> so wanted to run fsck on it, but cannot >> enter a single user mode. I ended up putting >> the sd card into a laptop and running fsck there. >> This fixed lots of panics, but is it possible >> to enter the single user mode on arm, and >> run fsck directly there? > > You do know of: > fsck_y_enable="NO" # Set to YES to do fsck -y if the initial preen fails. > > which might help… There’s a semi-known, semi-reproducible issue with arm (but maybe not armv6) where ANY errors that require an FSCK will land you in this situation. It hasn’t been tracked down yet. There seems to be three or four variations that Ian and I have run into. The trouble is tracking this down is a big investment in time, potentially, and there’s been lots of bigger fish to fry :( Warner [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJUghvfAAoJEGwc0Sh9sBEARbsQAK0MNk5XTOD6qpE2yjPiNG/4 gjst1926Vcu3DRp5xMUHgTulvpt+VVYCSMr57adwErUW0hmgXxTZiZFOHefVTLmB v3EW9f4XnK7FdLQ7Q/NKZnQYcqK2RTOdMo5T4giA5BdB4TNqmi9RuIhQxqVFlHGZ bK5IyGPrKF7DkeC+QgTmyW53lmE3Duht9UqyuyFVFr+0sEY3kImTSCHh8sRJD2GW UWeq4NvuYEIySFP4kt/e5bRlEvOoVyacTexdxaO0j7B8RP8b4ySP3AAGoLJgqXbs hsphVSIfm/cvO/xBaBlV5A1YUqd5fz65ShGVdZwE3xKnCNRi1MS4SVGjqORzY7X7 K4K9WRwD1zlJqIbjJt2j/Di+AGs2GnVIrq9ai3iLRAKFxFbB0CytWmVjDfxY4D9u vqQNasktuiyz6UOcSQ8RDqYpptiKMkyfc6EorB0UblOkaYccNPEwpmPAJI8GHK6l veDpvWbPuSqxbtDO+bS9ezegc8wcSRwqAqCYYSCIpeSCW/mSRG7i0ljlu4qnS4xU 0C3gDibww25ft0k4vxTqj9asjHYz//ZuUc6txw0rRGQb7UYT4LJvCGIxMXvyA8YN uRRImDAYovDYP9yrgqZcha+iqaWaFjejVY2aLMd/f84IYuSLFwdd81gCpEFFwHCT SkseiN2AWL4tYkXvUa3u =Gyid -----END PGP SIGNATURE-----help
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