Date: Wed, 21 Jan 2009 12:40:12 +0200 From: Krassimir Slavchev <krassi@bulinfo.net> To: Alexander Motin <mav@FreeBSD.org> Cc: freebsd-arm@freebsd.org Subject: Re: Mount root from SD card? Message-ID: <4976FB8C.5050209@bulinfo.net> In-Reply-To: <4976EFED.4010706@FreeBSD.org> References: <20090120.114051.-854291995.imp@bsdimp.com> <4976215B.40302@FreeBSD.org> <20090120.122312.1543793985.imp@bsdimp.com> <20090120.123230.-272218744.imp@bsdimp.com> <49762CEF.1000405@FreeBSD.org> <49762EC9.1010006@FreeBSD.org> <4976E2C2.4090002@FreeBSD.org> <4976E9DB.3000803@bulinfo.net> <4976EFED.4010706@FreeBSD.org>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 This is the output: CMD: 0 ARG 0 len 0 RES: 0 CMD: 8 ARG 1aa len 0 RES: 1 CMD: 37 ARG 0 len 0 RES: 0 CMD: 29 ARG 0 len 0 RES: 0 CMD: 0 ARG 0 len 0 RES: 0 CMD: 8 ARG 1aa len 0 RES: 1 CMD: 37 ARG 0 len 0 RES: 0 CMD: 29 ARG ff8000 len 0 RES: 0 CMD: 37 ARG 0 len 0 RES: 0 CMD: 29 ARG ff8000 len 0 RES: 0 CMD: 2 ARG 0 len 0 RES: 0 CMD: 3 ARG 0 len 0 RES: 0 CMD: 9 ARG 10000 len 0 RES: 0 CMD: 7 ARG 10000 len 0 RES: 0 CMD: 37 ARG 10000 len 0 RES: 0 CMD: 33 ARG 0 len 8 RES: 0 CMD: 6 ARG ffffff len 64 RES: 0 CMD: 37 ARG 10000 len 0 RES: 0 CMD: d ARG 0 len 64 RES: 2 CMD: 37 ARG 10000 len 0 RES: 0 CMD: d ARG 0 len 64 RES: 0 CMD: 7 ARG 0 len 0 RES: 0 CMD: 7 ARG 10000 len 0 RES: 0 CMD: 7 ARG 0 len 0 RES: 0 CMD: 7 ARG 10000 len 0 RES: 2 CMD: 6 ARG 80fffff0 len 64 RES: 0 CMD: 7 ARG 0 len 0 RES: 0 mmcsd0: 1983MB <SD Memory Card> at mmc0 30MHz/1bit CMD: 7 ARG 10000 len 0 RES: 2 CMD: 37 ARG 10000 len 0 RES: 0 CMD: 6 ARG 0 len 0 RES: 0 CMD: 11 ARG 0 len 512 RES: 0 CMD: 11 ARG 0 len 512 RES: 0 CMD: 11 ARG 200 len 512 RES: 0 Trying to mount root from ufs:/dev/mmcsd0s1 >> >> Also sysinstall crashes when trying to create a new slice. >> May be because: >> Disk name: mmcsd0 FDISK >> Partition Editor >> DISK Geometry: 0 cyls/0 heads/0 sectors = 0 sectors (0MB) > > I don't think it is related. There is no such thing as disk geometry on > flash card, that's why driver does not announce it. The only places > where it may be important is when fdisk is trying to align partitions > with track boundaries for compatibility with legacy BIOS'es. > > There is no problem to report some fake values, but from one side they > should better match BIOS assumptions on geometry and from other, they > should as much as possible to match flash erase sector size. I just have > no any system which supports SD booting to report something reasonable > there. Reporting maximal 63 sectors per track as for HDD may result in > ineffective filesystem alignment and reduced performance. > > At least sysinstall should be fixed. Should I fill a PR for this? Best Regards -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFJdvuMxJBWvpalMpkRAryjAJ9v4cj1FCZHFUx/csHsa3SDrjodHwCeNMSi wgWK6W4prQzbjJqzitiqcnw= =F7xk -----END PGP SIGNATURE-----
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