Date: Tue, 20 May 2003 15:02:50 -0700 (PDT) From: Nate Lawson <nate@root.org> To: Lars Eggert <larse@ISI.EDU> Cc: current@freebsd.org Subject: Re: umass problem with Hitachi DVDCAM Message-ID: <20030520150016.B92372@root.org> In-Reply-To: <3ECA9D8F.3070506@isi.edu> References: <3ECA703F.3060705@isi.edu> <20030520115122.O92084@root.org> <3ECA9D8F.3070506@isi.edu>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, 20 May 2003, Lars Eggert wrote: > Nate Lawson wrote: > > > > It amazes me that a device wouldn't be able to answer a simple INQUIRY. > > Try adding a NO_INQUIRY quirk in umass.c. > > Thanks, that seems to work somewhat better (patch attached): > > umass0: Hitachi, Ltd. DVDCAM USB HS Interface, rev 2.00/1.40, addr 2 > da2 at umass-sim0 bus 0 target 0 lun 0 > da2: < > Removable Direct Access SCSI-2 device > da2: 1.000MB/s transfers > da2: 1338MB (685296 2048 byte sectors: 255H 63S/T 42C) That looks correct since the faked inquiry data we send gives a null device name. > However, the device doesn't seem to have a valid partition table: > > [root@nik: /] fdisk da2 > ******* Working on device /dev/da2 ******* > parameters extracted from in-core disklabel are: > cylinders=42 heads=255 sectors/track=63 (16065 blks/cyl) > > parameters to be used for BIOS calculations are: > cylinders=42 heads=255 sectors/track=63 (16065 blks/cyl) > > fdisk: invalid fdisk partition table found > fdisk: /boot/mbr: length must be a multiple of sector size > > AFAIK the camera should show up as a regular hard disk, even though > internally it uses a DVD file system. Any ideas? I have little clue on this. I assume you have to use mount_udf since the data is not structured as a PC hard drive but instead DVD. -Nate
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030520150016.B92372>