On Thu, 10 Jun 2004, Mark M. Hoffman wrote:

> Yes, really.  ;)  The following is with a freshly reformatted (by the
> camera itself) 128MB compact flash card...
> 
>       [EMAIL PROTECTED] root]# uname -r
>       2.4.22-1.2188.nptlsmp
>       [EMAIL PROTECTED] root]# mount -t vfat /dev/sda1 /mnt/camera
>       [EMAIL PROTECTED] root]# df -h /mnt/camera
>       Filesystem            Size  Used Avail Use% Mounted on
>       /dev/sda1             122M     0  122M   0% /mnt/camera
>       [EMAIL PROTECTED] root]# umount /mnt/camera
>       [EMAIL PROTECTED] root]# dd if=/dev/sda1 of=/tmp/sda1.image
>       250080+0 records in
>       250080+0 records out
>       [EMAIL PROTECTED] root]#
> 
> But worse, the weird kernel log message which you noticed is also
> there even during the above operations using FC1 2.4.22-1.nptlsmp ?!
> 
> > Jun 10 21:57:30 jupiter kernel: SCSI device sda: 52949 512-byte hdwr sectors (27 
> > MB)
> 
> Any suggestions?  There's no indication that this camera is capable
> of any other "low-level reinit" apart from just reformatting the card.

Nothing occurs to me...

> PS: Just checked HP's website to make sure I have the latest
> firmware: yes.  *BUT* then I also found this...
> 
> > Using the HP Photosmart 315 and 315xi digital cameras with systems
> > running Windows 2000 or Microsoft Windows XP may require a card reader
> > for 32 MB or larger CF cards.
> 
> I guess this is no coincidence.  Maybe the H/W is screwed up and only
> more recent versions of Linux seem to trip over it (like Win2K and WinXP
> apparently do as well.)

Perhaps.  But it's still odd, because all the versions of Linux you've 
tried should be sending the same command to the camera, and hence should 
be getting back the same result.  What do you see in the log for 
2.4.22-1.2188.nptlsmp?  Does it somehow realize that there's a full 128 MB 
available on the card?

Alan Stern




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