USB mass storage device at /dev/sda1 isn't mountable: "no medium found"

[David Zeuthen]

On Wed, 2005-06-01 at 15:34 -0700, Adam Monsen wrote:
> HAL recognizes my digital camera (I see good stuff in
> /var/log/messages when it's plugged in), but I'm unable to mount it,
> when I try "mount -t vfat /dev/sda1 /mnt/test', I get "no medium
> found". Anyone have a minute to help?
> 
> Here's what I see in /var/log/messages:
> 
> May 30 15:27:17 compost kernel: usb 2-1: new full speed USB device
> using uhci_hcd and address 2
> May 30 15:27:18 compost kernel: SCSI subsystem initialized
> May 30 15:27:18 compost kernel: Initializing USB Mass Storage driver...
> May 30 15:27:18 compost kernel: scsi0 : SCSI emulation for USB Mass
> Storage devices
> May 30 15:27:18 compost kernel: usbcore: registered new driver usb-storage
> May 30 15:27:18 compost kernel: USB Mass Storage support registered.
> May 30 15:27:22 compost su(pam_unix)[2803]: session opened for user
> root by (uid=500)
> May 30 15:27:23 compost kernel:   Vendor: LEICA     Model: Digilux 1  
>       Rev: 0050
> May 30 15:27:23 compost kernel:   Type:   Direct-Access               
>       ANSI SCSI revision: 02
> May 30 15:27:24 compost scsi.agent[2839]: disk at
> /devices/pci0000:00/0000:00:1f.4/usb2/2-1/2-1:1.0/host0/ta
> rget0:0:0/0:0:0:0
> May 30 15:27:24 compost kernel: SCSI device sda: 250881 512-byte hdwr
> sectors (128 MB)
> May 30 15:27:24 compost kernel: sda: Write Protect is off
> May 30 15:27:24 compost kernel: sda: assuming drive cache: write through
> May 30 15:27:24 compost kernel: SCSI device sda: 250881 512-byte hdwr
> sectors (128 MB)
> May 30 15:27:24 compost kernel: sda: Write Protect is off
> May 30 15:27:24 compost kernel: sda: assuming drive cache: write through
> May 30 15:27:24 compost kernel:  sda: sda1
> May 30 15:27:24 compost kernel: Attached scsi removable disk sda at
> scsi0, channel 0, id 0, lun 0
> 
> And when I try to mount it:
> 
> # mkdir /mnt/test
> # mount -t vfat /dev/sda1 /mnt/test
> mount: No medium found
> 
> I apologize in advance if this isn't the correct forum to ask for help
> (suggestions welcome). Thank you,

This is odd, I've never seen something like this before. Does /dev/sda1
appear in lshal and if so, what is the volume.fstype property for that
object? In particular, does hal add an /etc/fstab entry for /dev/sda1?

Also, it might be useful to reformat the media either from the camera or
from a PC; some cameras have rather dodgy FAT implementations.

David


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