Date: Sun, 18 Jan 2015 19:29:51 +0100 From: Michael Tuexen <tuexen@freebsd.org> To: Daisuke Aoyama <aoyama@peach.ne.jp> Cc: freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: Raspberry Pi stability improved Message-ID: <DB7CB7F1-79A7-4F0D-8C99-8A62AFC74D6A@freebsd.org> In-Reply-To: <B1DA56CBB1774BB4ACE66D69BB9A662F@ad.peach.ne.jp> References: <DE1783C0-C19F-448D-92EF-A51826D7FE2B@freebsd.org> <B1DA56CBB1774BB4ACE66D69BB9A662F@ad.peach.ne.jp>
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On 18 Jan 2015, at 16:51, Daisuke Aoyama <aoyama@peach.ne.jp> wrote:
>=20
> Hi Michael,
>=20
> Did you use /etc/rc.d/autosize ("option AutoSize" in crochet-freebsd)?
No, I used (for a year or so) the script from
git://github.com/daveish/freebsd-arm-tools.git
and did a manual resize after the system got up.
But it is now very stable.
Best regards
Michael
> If so, try to disable it and never boot official FreeBSD image before =
resizing.
> It will break the partition at first boot. It's a trap of the image.
> Personally I didn't use autosize in my images. So not affect all my =
images.
>=20
> The main reason is gpart/fdisk/glabel/glowfs/newfs can't handle mixed =
geometory.
> Default crochet-freebsd uses CHS=3D(x,255,63) while creating but mmcsd =
is not!
> ----------------------------------------------------------------------
> #diskinfo -v mmcsd0
> mmcsd0
> 512 # sectorsize
> 31674335232 # mediasize in bytes (29G)
> 61863936 # mediasize in sectors
> 4194304 # stripesize
> 0 # stripeoffset
> 20 # Cylinders according to firmware.
> 377 # Heads according to firmware.
> 8192 # Sectors according to firmware. <<< this =
can't be handled
> 4700C511 # Disk ident.
> ----------------------------------------------------------------------
> This is a reson why I use USB card reader before booting at
> =
http://lists.freebsd.org/pipermail/freebsd-arm/2015-January/009935.html
>=20
> For your reference, here is broken example of official image of
> =
ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/arm/armv6/ISO-IMAGES/11.0/Free=
BSD-11.0-CURRENT-arm-armv6-RPI-B-20150111-r276981.img.bz2
>=20
> Before booting via USB card reader:
> =
--------------------------------------------------------------------------=
------------
> [root@raspberry-pi ~]# diskinfo -v da0
> da0
> 512 # sectorsize
> 15720251392 # mediasize in bytes (15G)
> 30703616 # mediasize in sectors
> 0 # stripesize
> 0 # stripeoffset
> 1911 # Cylinders according to firmware.
> 255 # Heads according to firmware.
> 63 # Sectors according to firmware.
> # Disk ident.
>=20
> [root@raspberry-pi ~]# gpart show da0
> =3D> 63 30703553 da0 MBR (15G)
> 63 34776 1 !12 [active] (17M)
> 34839 1918286 2 freebsd (937M)
> 1953125 28750491 - free - (14G)
>=20
> [root@raspberry-pi ~]# fdisk da0
> ******* Working on device /dev/da0 *******
> parameters extracted from in-core disklabel are:
> cylinders=3D1911 heads=3D255 sectors/track=3D63 (16065 blks/cyl)
>=20
> Figures below won't work with BIOS for partitions not in cyl 1
> parameters to be used for BIOS calculations are:
> cylinders=3D1911 heads=3D255 sectors/track=3D63 (16065 blks/cyl)
>=20
> Media sector size is 512
> Warning: BIOS sector numbering starts with sector 1
> Information from DOS bootblock is:
> The data for partition 1 is:
> sysid 12 (0x0c),(DOS or Windows 95 with 32 bit FAT (LBA))
> start 63, size 34776 (16 Meg), flag 80 (active)
> beg: cyl 0/ head 1/ sector 1;
> end: cyl 2/ head 42/ sector 63
> The data for partition 2 is:
> sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
> start 34839, size 1918286 (936 Meg), flag 0
> beg: cyl 2/ head 43/ sector 1;
> end: cyl 121/ head 146/ sector 62
> The data for partition 3 is:
> <UNUSED>
> The data for partition 4 is:
> <UNUSED>
>=20
> Bootup:
> ----------------------------------------------------------------------
> root@raspberry-pi:~ # uname -a
> FreeBSD raspberry-pi 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r276981: Mon =
Jan 12 09:04:54 UTC 2015 =
root@grind.freebsd.org:/usr/obj/arm.armv6/usr/src/sys/RPI-B arm
>=20
> root@raspberry-pi:~ # diskinfo -v mmcsd0
> mmcsd0
> 512 # sectorsize
> 15720251392 # mediasize in bytes (15G)
> 30703616 # mediasize in sectors
> 4194304 # stripesize
> 0 # stripeoffset
> 20 # Cylinders according to firmware.
> 187 # Heads according to firmware.
> 8192 # Sectors according to firmware.
> DB242AD3 # Disk ident.
>=20
> root@raspberry-pi:~ # gpart show
> =3D> 1 30703615 mmcsd0 MBR (15G)
> 1 62 - free - (31K)
> 63 34776 1 !12 [active] (17M)
> 34839 30668777 2 freebsd (15G)
>=20
> =3D> 0 30668777 mmcsd0s2 BSD (15G)
> 0 105 - free - (53K)
> 105 30668672 1 freebsd-ufs (15G)
>=20
> root@raspberry-pi:~ # fdisk mmcsd0
> ******* Working on device /dev/mmcsd0 *******
> parameters extracted from in-core disklabel are:
> cylinders=3D20 heads=3D187 sectors/track=3D8192 (1531904 blks/cyl)
>=20
> Figures below won't work with BIOS for partitions not in cyl 1
> parameters to be used for BIOS calculations are:
> cylinders=3D20 heads=3D187 sectors/track=3D8192 (1531904 blks/cyl)
>=20
> Media sector size is 512
> Warning: BIOS sector numbering starts with sector 1
> Information from DOS bootblock is:
> The data for partition 1 is:
> sysid 12 (0x0c),(DOS or Windows 95 with 32 bit FAT (LBA))
> start 63, size 34776 (16 Meg), flag 80 (active)
> beg: cyl 0/ head 1/ sector 1;
> end: cyl 2/ head 42/ sector 63
> The data for partition 2 is:
> sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
> start 34839, size 30668777 (14974 Meg), flag 0
> beg: cyl 2/ head 43/ sector 1;
> end: cyl 20/ head 7/ sector 0 <<< end is shrinked before =
booting!
> The data for partition 3 is:
> <UNUSED>
> The data for partition 4 is:
> <UNUSED>
>=20
> root@raspberry-pi:~ # dumpfs /dev/mmcsd0s2a
> dumpfs: /dev/mmcsd0s2a: could not read superblock to fill out disk
>=20
> ## your UFS partition is broken here ##
> ----------------------------------------------------------------------
>=20
> Regards,
> --=20
> Daisuke Aoyama
>=20
>=20
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