problems trying to mount SDHC card ....

William A. Mahaffey III wam at hiwaay.net
Sun Oct 26 12:51:10 UTC 2014


On 10/25/14 23:29, Polytropon wrote:
> On Sat, 25 Oct 2014 18:39:14 -0500, William A. Mahaffey III wrote:
>>
>> .... I am trying to mount some SDHC cards through a USB reader
>> (Transcend USB 2.0) with an eye towards using them to create bootable
>> drives for a Raspberry Pi B+.
> In that case, you probably won't have anything to do
> with mounting the SD card (especially not as a MS-DOS
> file system). The thing you're going to do here probably
> isn't much more than "dd if=pi.img of=/dev/da0", and
> Xfce is not able to help here. When the image has been
> written, there's probably a file system different from
> FAT on the card.
>
>
>
>> When I try to view the drive through
>> XFCE's 'flash File Manager' (from top toolbar) it pops up an error
>> dialog saying:
>>
>> mount_msdosfs: can't find or load "msdos_iconv" kernel module
>> mount_msdosfs: msdos_iconv: operation not permitted.
> Is the card currently formatted? What does
>
> 	# fdisk da0
>
> say (if /dev/da0 is the SD card reader)? Or with today's
> tools,
>
> 	# gpart show da0
>
> Also check the dmesg entries in relation to the card reader.
> Anything suspicious?
>
> In case the card is formatted with FAT, can you _manually_
> mount it?
>
>
>
>> I am doing this as an ordinary user, something in fstab or amd.conf ?
> I'm surprised you get any reaction at all. I never got
> automounting to work with Xfce...
>
> If you have the automounting stuff via HAL and DBUS,
> your /etc/fstab won't probably have an entry for the
> SD card reader, and /etc/amd.conf is probably totally
> out of scope here. Maybe this is an expression of the
> growing incompatibilities between Linux (where Xfce
> has been created for) and FreeBSD?
>
> I'm a bit surprised about the "msdos_iconv" kernel
> module, which should be present. Can you manually
> load it, maybe via /boot/loader.conf?
>
>
>

I manually loaded the module w/ kldload & now I get a nw message from XFCE:


Cannot mount volume

mount_msdosfs: msdos_iconv: operation not permitted

Oh well, as long as I can work w/ the device directly, that's what I 
will need anyway ....

-- 

	William A. Mahaffey III

  ----------------------------------------------------------------------

	"The M1 Garand is without doubt the finest implement of war
	 ever devised by man."
                            -- Gen. George S. Patton Jr.



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