Date: Mon, 19 Jan 2015 00:51:14 +0900 From: "Daisuke Aoyama" <aoyama@peach.ne.jp> To: "Michael Tuexen" <tuexen@freebsd.org>, "freebsd-arm" <freebsd-arm@freebsd.org> Subject: Re: Raspberry Pi stability improved Message-ID: <B1DA56CBB1774BB4ACE66D69BB9A662F@ad.peach.ne.jp> In-Reply-To: <DE1783C0-C19F-448D-92EF-A51826D7FE2B@freebsd.org> References: <DE1783C0-C19F-448D-92EF-A51826D7FE2B@freebsd.org>
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Hi Michael,
Did you use /etc/rc.d/autosize ("option AutoSize" in crochet-freebsd)?
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.
The main reason is gpart/fdisk/glabel/glowfs/newfs can't handle mixed geometory.
Default crochet-freebsd uses CHS=(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
For your reference, here is broken example of official image of
ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/arm/armv6/ISO-IMAGES/11.0/FreeBSD-11.0-CURRENT-arm-armv6-RPI-B-20150111-r276981.img.bz2
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.
[root@raspberry-pi ~]# gpart show da0
=> 63 30703553 da0 MBR (15G)
63 34776 1 !12 [active] (17M)
34839 1918286 2 freebsd (937M)
1953125 28750491 - free - (14G)
[root@raspberry-pi ~]# fdisk da0
******* Working on device /dev/da0 *******
parameters extracted from in-core disklabel are:
cylinders=1911 heads=255 sectors/track=63 (16065 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=1911 heads=255 sectors/track=63 (16065 blks/cyl)
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>
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
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.
root@raspberry-pi:~ # gpart show
=> 1 30703615 mmcsd0 MBR (15G)
1 62 - free - (31K)
63 34776 1 !12 [active] (17M)
34839 30668777 2 freebsd (15G)
=> 0 30668777 mmcsd0s2 BSD (15G)
0 105 - free - (53K)
105 30668672 1 freebsd-ufs (15G)
root@raspberry-pi:~ # fdisk mmcsd0
******* Working on device /dev/mmcsd0 *******
parameters extracted from in-core disklabel are:
cylinders=20 heads=187 sectors/track=8192 (1531904 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=20 heads=187 sectors/track=8192 (1531904 blks/cyl)
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>
root@raspberry-pi:~ # dumpfs /dev/mmcsd0s2a
dumpfs: /dev/mmcsd0s2a: could not read superblock to fill out disk
## your UFS partition is broken here ##
----------------------------------------------------------------------
Regards,
--
Daisuke Aoyama
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