> Have you checked that the directory where you are attempting to do
> this is one that your account owns? I generally have to su - to root,
> create a directory at the top level, change it so that I own it and
> have rwx permissions, and then exit root. After that I can do what
> I want.

  So I did "su" and tried changing ownership... failed

x8940 /home/waltdnes/tablet # chown waltdnes:users sdcard1
chown: changing ownership of 'sdcard1': Function not implemented

  Let's try "chmod"... failed silently

[x8940][root][/home/waltdnes/tablet] chmod 777 sdcard1
[x8940][root][/home/waltdnes/tablet] ll
total 24
drwxr-xr-x   4 root     root      0 Dec 31  1969 .
drwxr-xr-x 144 waltdnes users 24576 May 15 18:17 ..
drwxr-xr-x   5 root     root      0 Nov 16  4456932 sdcard
drwxr-xr-x   6 root     root      0 Apr 22  4456932 sdcard1

  root can't chmod sdcard1.

[x8940][root][/home/waltdnes/tablet] mkdir sdcard1/data
mkdir: cannot create directory ‘sdcard1/data’: Input/output error

  and root can't create a directory!!!  Let's try top level...

[x8940][root][~] cd /home/waltdnes/tablet
[x8940][root][/home/waltdnes/tablet] mkdir data
mkdir: cannot create directory ‘data’: Read-only file system

  A suggestion at https://ubuntuforums.org/showthread.php?p=7317638

> The permissions for non-linux filesystems are defined for the whole
> partition at the time it's mounted, and you can change them by
> configuring the drive in /etc/fstab.

  So I added a line to /etc/fstab, but no luck...

/sys/fs/fuse/connections /home/waltdnes/tablet auto 
noauto,users,noatime,nodiratime,async,rw 0 0

  No luck.

-- 
Roses are red
Roses are blue
Depending on their velocity
Relative to you

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