ioctl DIOCSMBR: Inappropriate ioctl for device
- From: "Rajkumar S" <rajkumars@xxxxxxxxx>
- Date: Tue, 25 Nov 2008 12:40:42 +0530
Hi,
I am working on a nanobsd derived system for updating an embedded
pfSense image. The disk is partitioned into 4 partitions with 2
similar "code" partitions. One of the two code partition is live at
any moment. To update the partition image is written to the other
partition and a command like boot0cfg -s 2 -v ad2 to boot to the new
partition.
Instead of using device names I am using bsdlabel and refer the disks
using the label in fdisk.
Current partitions are as follows:
nanoimg:~# fdisk ad2
******* Working on device /dev/ad2 *******
parameters extracted from in-core disklabel are:
cylinders=1999 heads=16 sectors/track=63 (1008 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=1999 heads=16 sectors/track=63 (1008 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 165 (0xa5),(FreeBSD/NetBSD/386BSD)
start 32, size 239584 (116 Meg), flag 80 (active)
beg: cyl 0/ head 1/ sector 1;
end: cyl 467/ head 15/ sector 32
The data for partition 2 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
start 239648, size 239584 (116 Meg), flag 0
beg: cyl 468/ head 1/ sector 1;
end: cyl 935/ head 15/ sector 32
The data for partition 3 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
start 479232, size 2048 (1 Meg), flag 0
beg: cyl 936/ head 0/ sector 1;
end: cyl 939/ head 15/ sector 32
The data for partition 4 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
start 481280, size 20480 (10 Meg), flag 0
beg: cyl 940/ head 0/ sector 1;
end: cyl 979/ head 15/ sector 32
dmesg shows the following when booting:
ad2: 983MB <LEXAR ATA FLASH V1.01> at ata1-master PIO4
GEOM: ad2: partition 4 does not start on a track boundary.
GEOM: ad2: partition 4 does not end on a track boundary.
GEOM: ad2: partition 3 does not start on a track boundary.
GEOM: ad2: partition 3 does not end on a track boundary.
GEOM: ad2: partition 2 does not start on a track boundary.
GEOM: ad2: partition 2 does not end on a track boundary.
GEOM: ad2: partition 1 does not start on a track boundary.
GEOM: ad2: partition 1 does not end on a track boundary.
GEOM_LABEL: Label for provider ad2s3 is ufs/cfg.
GEOM_LABEL: Label for provider ad2s4 is ufs/cf.
GEOM_LABEL: Label for provider ad2s1a is ufs/root0.
GEOM_LABEL: Label for provider ad2s2a is ufs/root1.
Trying to mount root from ufs:/dev/ufs/root0
Fstab is:
/dev/ufs/root0 / ufs ro 1 1
/dev/ufs/cfg /cfg ufs rw,noauto 2 2
/dev/ufs/cf /cf ufs ro 1 1
both ad2s1a and ad2s2a are active and they appear in boot screen as F1
and F2. I can manually press F1 and F2 and boot from either of them.
But when I give a command boot0cfg -s 1 -v ad2 I get
boot0cfg: /dev/ad2: Class not found
boot0cfg: /dev/ad2: ioctl DIOCSMBR: Inappropriate ioctl for device
I have searched google and archives and could not find much about this
error. Any help to resolve this would be much appreciated.
with regards,
raj
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