problems mounting camera to download pics ....

[Polytropon]

On Thu, 26 Feb 2015 12:04:15 -0600, William A. Mahaffey III wrote:
> On 02/26/15 11:39, Polytropon wrote:
> > On Thu, 26 Feb 2015 11:38:48 -0600, William A. Mahaffey III wrote:
> >>
> >> .... I am trying to mount my digital camera to download some pics I just
> >> took. When I do this as root, it works AOK & I got the pics off.
> >> However, when I changed my fstab file to (supposedly) allow regular
> >> users to mount that directory, the mount command fails:
> >>
> >>
> >> [wam at kabini1, ~, 11:33:11am] 530 % mount /media/flash/
> >> mount_msdosfs: /dev/da0s1: Operation not permitted
> >> [wam at kabini1, ~, 11:35:58am] 530 %
> > And with "sudo" prefix? :-)
> 
> [wam at kabini1, ~, 11:58:22am] 568 % mount /media/flash/
> mount_msdosfs: /dev/da0s1: Operation not permitted
> [wam at kabini1, ~, 11:58:25am] 569 % sudo mount /media/flash/
> mount_msdosfs: /dev/da0s1: mount option <users> is unknown: Invalid argument
> [wam at kabini1, ~, 11:58:27am] 570 %

I didn't find the "users" option in "man mount" or "man mount_msdosfs",
what is it supposed to do? What if you temporarily remove it?



> >> relevant lines from my fstab file:
> >>
> >>
> >> /dev/da0s1      /media/flash            msdosfs
> >> rw,sync,noauto,longnames,-Lru_RU.UTF-8,users    0       0
> > Suggestion regarding msdosfs: add "-m=644,-M=755" to the
> > options to get rid of the fake +x attributes for the files.
> > You could also add "noatime".
> 
> Roger, wilco ....

Not essential to solve the problem, but might be helpful for
further usage.



> >> Not a huge issue, since I can get 'er done as root, but I don't see why
> >> this shouldn't be feasible as a regular user .... TIA & have a nice,
> >> snowy (here) day ;-) ....
> > Do you have the mandatory "vfs.usermount=1" in /etc/sysctl.conf?
> > Also check the device permissions: User or group requires rw for
> > the device and must own the mountpoint.
> 
> .... & remember to change it in the command line as well, done, still 
> the same problem .... my root dir:
> 
> 
> [wam at kabini1, ~, 12:01:36pm] 570 % ll /
> total 32890
> [...]
> drwxr-xr-x   5 root  wheel          512 Oct 26 08:01 media/
> [...]
> So am I supposed to have /media group writable ? I did so & same issue ....

I think so. You can test this by temporarily chown'ing the
whole /media subtree to your user, and then run the command
as user (given that vfs.usermount is already set).

You can find more info here (regarding user mount):

https://www.freebsd.org/doc/handbook/usb-disks.html

-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...