Date: Mon, 7 Jan 2002 11:07:30 +0100 From: Jan.Stocker@t-online.de (Jan Stocker) To: "freebsd-scsi@FreeBSD. ORG" <freebsd-scsi@FreeBSD.ORG> Subject: USB / wrong disklabel params Message-ID: <000c01c19763$1e3c2860$fe02010a@twoflower.liebende.de>
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Hi boys n girls,
ive discussed the following stuff with Ed Hudson, who owns a RICOH-RDC5000
digital cam. This cam doesn't know the 6-byte commands (like the most), so a
quirk was added.
But some disk information is wrong... lets have a look
Dec 29 14:17:17 m3 /kernel: umass0: RICOH RDC-5000, rev 1.00/1.05, addr 2
Dec 29 14:17:17 m3 /kernel: da0 at umass-sim0 bus 0 target 0 lun 0
Dec 29 14:17:17 m3 /kernel: da0: <RICOH USB CAMERA DRIVE 1.05> Removable
Dire
Access SCSI-0 device
Dec 29 14:17:17 m3 /kernel: da0: 20KB/s transfers
Dec 29 14:17:17 m3 /kernel: da0: 0MB (1441 512 byte sectors: 2H 9S/T 80C)
The cam has a 8 MB card in it, so here !!! 0MB !!! is totally wrong.
(Also i think the speed is very low)
Another look to the partition table with fdisk shows more:
root@m3 101 % fdisk da0
******* Working on device /dev/da0 *******
parameters extracted from in-core disklabel are:
cylinders=22 heads=4 sectors/track=16 (64 blks/cyl)
We have 22*4*16*512 = 704 KB!
parameters to be used for BIOS calculations are:
cylinders=22 heads=4 sectors/track=16 (64 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 1,(Primary DOS with 12 bit FAT)
start 25, size 15975 (7 Meg), flag 80 (active)
beg: cyl 0/ head 1/ sector 10;
end: cyl 249/ head 3/ sector 16
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
<UNUSED>
But the partition table is correct and gives us a 8 MB slice. So mounting
fails (cuts the partition) cause BSD thinks the slice exceeds the available
space.
Any idea ?
Jan
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